PSP E27 User manual

PSP E27
Operation Manual
www.PSPaudioware.com
___________________________________________________________________________
PSP E27 Operation Manual 1
PSP E27
Operation Manual
www.PSPaudioware.com
___________________________________________________________________________
PSP E27 Operation Manual 1

Credits
PSP E27 plug-in based on Avedis E27 by Avedis Audio Electronics
Analog Compliance Consulting: Avedis Kifedjian
Plug-in Design: Mateusz Woźniak & Adam Taborowski
Programming and Algorithms: Adam Taborowski
Algorithms' Supervision: Mateusz Woźniak
Graphics: Mateusz Woźniak, Adam Taborowski
Documentation: Adam Taborowski, Orren Merton
Product Manager: Antoni Ożyński
Additional Presets: Sakis Anastopoulos, Alécio Costa
Acknowledgements
Thanks to all our customers around the world for your ideas and help in the development of new
plug-ins!
By using this software you agree to the terms of any license agreement accompanying it. “PSP”, the
PSP logo, “PSP E27” and “It’s the sound that counts!” are trademarks of PSPaudioware.com s.c.
VST is a trademark and software of Steinberg Media Technologies GmbH. AAX, Pro Tools, and
RTAS are trademarks or registered trademarks of Avid Technology, Inc. AudioUnit, OSX are
trademarks of Apple Inc. All other trademarks are the property of their respective owners.
© 2024 PSPaudioware.com s.c.
___________________________________________________________________________
PSP E27 Operation Manual 2
Credits
PSP E27 plug-in based on Avedis E27 by Avedis Audio Electronics
Analog Compliance Consulting: Avedis Kifedjian
Plug-in Design: Mateusz Woźniak & Adam Taborowski
Programming and Algorithms: Adam Taborowski
Algorithms' Supervision: Mateusz Woźniak
Graphics: Mateusz Woźniak, Adam Taborowski
Documentation: Adam Taborowski, Orren Merton
Product Manager: Antoni Ożyński
Additional Presets: Sakis Anastopoulos, Alécio Costa
Acknowledgements
Thanks to all our customers around the world for your ideas and help in the development of new
plug-ins!
By using this software you agree to the terms of any license agreement accompanying it. “PSP”, the
PSP logo, “PSP E27” and “It’s the sound that counts!” are trademarks of PSPaudioware.com s.c.
VST is a trademark and software of Steinberg Media Technologies GmbH. AAX, Pro Tools, and
RTAS are trademarks or registered trademarks of Avid Technology, Inc. AudioUnit, OSX are
trademarks of Apple Inc. All other trademarks are the property of their respective owners.
© 2024 PSPaudioware.com s.c.
___________________________________________________________________________
PSP E27 Operation Manual 2

Table of Contents
Credits..............................................................................................................................................2
Acknowledgements..........................................................................................................................2
Table of Contents.............................................................................................................................3
End User License Agreement for PSP Software..............................................................................5
PSP E27 Introduction...........................................................................................................................6
Avedis E27............................................................................................................................................7
PSP E27 specification...........................................................................................................................8
Bit depth......................................................................................................................................8
Channel setup..............................................................................................................................8
Sample rates................................................................................................................................8
Latency........................................................................................................................................8
PSP E27 controls..................................................................................................................................9
PSP 500 launchbox..........................................................................................................................9
Power........................................................................................................................................10
BPS............................................................................................................................................10
MON.........................................................................................................................................10
MS.............................................................................................................................................10
PA11..........................................................................................................................................10
2x...............................................................................................................................................10
LINK.........................................................................................................................................11
Tape label..................................................................................................................................11
PSP............................................................................................................................................11
E27.................................................................................................................................................12
IN..............................................................................................................................................12
LS..............................................................................................................................................12
HS..............................................................................................................................................12
Filter knobs...............................................................................................................................12
PA11...............................................................................................................................................13
Drive..........................................................................................................................................13
HPF...........................................................................................................................................13
Output........................................................................................................................................13
28k.............................................................................................................................................14
Polarity......................................................................................................................................14
TrafoX.......................................................................................................................................14
AmpX........................................................................................................................................14
Tips and Tricks...................................................................................................................................15
Filter dependency...........................................................................................................................15
Linearity.........................................................................................................................................16
Bypass............................................................................................................................................17
Mono-Stereo processing................................................................................................................18
PSP E27 SINGLE EDITION..............................................................................................................19
Preset Handling & View Options.......................................................................................................20
Preset Browser...............................................................................................................................20
Copy/Paste.....................................................................................................................................22
A/B System....................................................................................................................................22
Undo / Redo...................................................................................................................................22
100% GUI resizing........................................................................................................................23
CONFIG section............................................................................................................................23
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PSP E27 Operation Manual 3
Table of Contents
Credits..............................................................................................................................................2
Acknowledgements..........................................................................................................................2
Table of Contents.............................................................................................................................3
End User License Agreement for PSP Software..............................................................................5
PSP E27 Introduction...........................................................................................................................6
Avedis E27............................................................................................................................................7
PSP E27 specification...........................................................................................................................8
Bit depth......................................................................................................................................8
Channel setup..............................................................................................................................8
Sample rates................................................................................................................................8
Latency........................................................................................................................................8
PSP E27 controls..................................................................................................................................9
PSP 500 launchbox..........................................................................................................................9
Power........................................................................................................................................10
BPS............................................................................................................................................10
MON.........................................................................................................................................10
MS.............................................................................................................................................10
PA11..........................................................................................................................................10
2x...............................................................................................................................................10
LINK.........................................................................................................................................11
Tape label..................................................................................................................................11
PSP............................................................................................................................................11
E27.................................................................................................................................................12
IN..............................................................................................................................................12
LS..............................................................................................................................................12
HS..............................................................................................................................................12
Filter knobs...............................................................................................................................12
PA11...............................................................................................................................................13
Drive..........................................................................................................................................13
HPF...........................................................................................................................................13
Output........................................................................................................................................13
28k.............................................................................................................................................14
Polarity......................................................................................................................................14
TrafoX.......................................................................................................................................14
AmpX........................................................................................................................................14
Tips and Tricks...................................................................................................................................15
Filter dependency...........................................................................................................................15
Linearity.........................................................................................................................................16
Bypass............................................................................................................................................17
Mono-Stereo processing................................................................................................................18
PSP E27 SINGLE EDITION..............................................................................................................19
Preset Handling & View Options.......................................................................................................20
Preset Browser...............................................................................................................................20
Copy/Paste.....................................................................................................................................22
A/B System....................................................................................................................................22
Undo / Redo...................................................................................................................................22
100% GUI resizing........................................................................................................................23
CONFIG section............................................................................................................................23
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PSP E27 Operation Manual 3

Minimum System Requirements...................................................................................................24
Support...........................................................................................................................................25
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PSP E27 Operation Manual 4
Minimum System Requirements...................................................................................................24
Support...........................................................................................................................................25
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PSP E27 Operation Manual 4

End User License Agreement for PSP Software
PREFACE: This End-User License Agreement ("EULA") is a legal agreement between you and
PSPaudioware.com s.c. (PSP) for the PSP product accompanying this EULA, which includes
computer software and may include associated media, printed materials, and "online" or electronic
documentation ("SOFTWARE"). By installing, copying, or using the SOFTWARE, you agree to be
bound by the terms of this EULA. If you do not agree to the terms of this EULA, you may not use
the SOFTWARE.
The SOFTWARE is protected by copyright laws and international copyright treaties, as well as
other intellectual property laws and treaties. The SOFTWARE is licensed, not sold.
LICENSE: You may USE the current version of the SOFTWARE, or in its place any prior version
for the same operating system, on no more than three computers simultaneously. You can INSTALL
a copy of the SOFTWARE on as many machines as you want so long as you are the direct user or a
studio client of those machines. If more users USE the software you must buy an
additional license for each workstation. The DEMO VERSION of the SOFTWARE is NOT
LICENSED FOR COMMERCIAL USE.
RESTRICTIONS: You may not transfer, modify, rent, lease, loan, resell, distribute, network,
electronically transmit or merge the SOFTWARE. You may not reverse engineer, decompile or
disassemble the SOFTWARE, or otherwise attempt to discover the SOFTWARE source code. You
are not permitted to copy the SOFTWARE or any of the accompanying documentation.
COPYRIGHTS: All title and copyrights in and to the SOFTWARE (including but not limited to any
images, photographs, animations, video, audio, music, text, and "applets" incorporated into the
SOFTWARE ), the accompanying printed materials, and any copies of the SOFTWARE are owned
by PSP. The SOFTWARE is protected by copyright laws and international treaty provisions.
Unauthorized reproduction or distribution of the SOFTWARE or documentation is subject to civil
and criminal penalties.
DISCLAIMER OF WARRANTY: The SOFTWARE is provided "AS IS" and without warranty of
any kind. The entire risk arising out of the use or performance of the SOFTWARE and
documentation remains with user. To the maximum extent permitted by applicable law, PSP further
disclaims all warranties, either express or implied, including, but not limited to, implied warranties
of merchantability and fitness for a particular purpose, with regard to the SOFTWARE, and any
accompanying hardware. To the maximum extent permitted by applicable law, in no event shall PSP
be liable for any consequential, incidental, direct, indirect, special, punitive, or other damages
whatsoever (including, without limitation, damages for loss of business profits, business
interruption, loss of business information, or other pecuniary loss) arising out of this EULA or the
use of or inability to use the SOFTWARE, even if PSP has been advised of the possibility of such
damages.
MISCELLANEOUS: This EULA is governed by Polish law. Should you have any questions
concerning this EULA, or if you wish to contact PSP for any reason, please write to:
PSPaudioware.com s.c.
Bugaj 12,
05-806 Komorów,
Poland.
___________________________________________________________________________
PSP E27 Operation Manual 5
End User License Agreement for PSP Software
PREFACE: This End-User License Agreement ("EULA") is a legal agreement between you and
PSPaudioware.com s.c. (PSP) for the PSP product accompanying this EULA, which includes
computer software and may include associated media, printed materials, and "online" or electronic
documentation ("SOFTWARE"). By installing, copying, or using the SOFTWARE, you agree to be
bound by the terms of this EULA. If you do not agree to the terms of this EULA, you may not use
the SOFTWARE.
The SOFTWARE is protected by copyright laws and international copyright treaties, as well as
other intellectual property laws and treaties. The SOFTWARE is licensed, not sold.
LICENSE: You may USE the current version of the SOFTWARE, or in its place any prior version
for the same operating system, on no more than three computers simultaneously. You can INSTALL
a copy of the SOFTWARE on as many machines as you want so long as you are the direct user or a
studio client of those machines. If more users USE the software you must buy an
additional license for each workstation. The DEMO VERSION of the SOFTWARE is NOT
LICENSED FOR COMMERCIAL USE.
RESTRICTIONS: You may not transfer, modify, rent, lease, loan, resell, distribute, network,
electronically transmit or merge the SOFTWARE. You may not reverse engineer, decompile or
disassemble the SOFTWARE, or otherwise attempt to discover the SOFTWARE source code. You
are not permitted to copy the SOFTWARE or any of the accompanying documentation.
COPYRIGHTS: All title and copyrights in and to the SOFTWARE (including but not limited to any
images, photographs, animations, video, audio, music, text, and "applets" incorporated into the
SOFTWARE ), the accompanying printed materials, and any copies of the SOFTWARE are owned
by PSP. The SOFTWARE is protected by copyright laws and international treaty provisions.
Unauthorized reproduction or distribution of the SOFTWARE or documentation is subject to civil
and criminal penalties.
DISCLAIMER OF WARRANTY: The SOFTWARE is provided "AS IS" and without warranty of
any kind. The entire risk arising out of the use or performance of the SOFTWARE and
documentation remains with user. To the maximum extent permitted by applicable law, PSP further
disclaims all warranties, either express or implied, including, but not limited to, implied warranties
of merchantability and fitness for a particular purpose, with regard to the SOFTWARE, and any
accompanying hardware. To the maximum extent permitted by applicable law, in no event shall PSP
be liable for any consequential, incidental, direct, indirect, special, punitive, or other damages
whatsoever (including, without limitation, damages for loss of business profits, business
interruption, loss of business information, or other pecuniary loss) arising out of this EULA or the
use of or inability to use the SOFTWARE, even if PSP has been advised of the possibility of such
damages.
MISCELLANEOUS: This EULA is governed by Polish law. Should you have any questions
concerning this EULA, or if you wish to contact PSP for any reason, please write to:
PSPaudioware.com s.c.
Bugaj 12,
05-806 Komorów,
Poland.
___________________________________________________________________________
PSP E27 Operation Manual 5

PSP E27 Introduction
Thank you for your purchase of the PSP E27!
The PSP E27 is a multistage equalizer plug-in inspired by the analog equalizer E27 produced by
Avedis Audio Electronics. It features three-band equalization with +/-16dBs of boost/cut at
musicially selected frequencies having gentle saturation. Low and high frequency filters can work
in bell or shelf mode with a single click. There is also an additional preamp stage for global level
control, and a selectable high-pass filter. The PSP E27 plug-in captures the non-linear behavior of
analog circuitry and is suitable for both mixing and mastering.
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PSP E27 Operation Manual 6
PSP E27 Introduction
Thank you for your purchase of the PSP E27!
The PSP E27 is a multistage equalizer plug-in inspired by the analog equalizer E27 produced by
Avedis Audio Electronics. It features three-band equalization with +/-16dBs of boost/cut at
musicially selected frequencies having gentle saturation. Low and high frequency filters can work
in bell or shelf mode with a single click. There is also an additional preamp stage for global level
control, and a selectable high-pass filter. The PSP E27 plug-in captures the non-linear behavior of
analog circuitry and is suitable for both mixing and mastering.
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PSP E27 Operation Manual 6

Avedis E27
The E27 was created to fill the need for a high quality modular equalizer. High performance,
versatility, ease of use, and simplicity is at the core of the E27’s design. Some of the best analog
gear from the past was the inspiration for its characteristic sound. Outstanding quality and most
suitable parts are used throughout – gold-plated switches, high performance capacitors, high-
quality transformers, and custom machined aluminum knobs.
Today’s engineers deal with many different types of recording equipment from older high-end
analog gear to the newest digitally controlled recording equipment. With this in mind, the E27 can
interface easily with many types of gear including balanced or unbalanced sources, high or low
impedance loads, even unbalanced loads.
The level knob controls up to 16 db’s of cut and boost but for those who only need a few db’s, the
travel of the pot starts slow and speeds up at the extremes giving the user more fine control at levels
of 6 db’s or less. Knob positions are not only easy to see from a distance but are also felt – the level
pot knob has a small point so you know where you are without looking at the eq. The outer
frequency control knob has a knurl texture for ease of grip.
- Avedis Kifedjian
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PSP E27 Operation Manual 7
Avedis E27
The E27 was created to fill the need for a high quality modular equalizer. High performance,
versatility, ease of use, and simplicity is at the core of the E27’s design. Some of the best analog
gear from the past was the inspiration for its characteristic sound. Outstanding quality and most
suitable parts are used throughout – gold-plated switches, high performance capacitors, high-
quality transformers, and custom machined aluminum knobs.
Today’s engineers deal with many different types of recording equipment from older high-end
analog gear to the newest digitally controlled recording equipment. With this in mind, the E27 can
interface easily with many types of gear including balanced or unbalanced sources, high or low
impedance loads, even unbalanced loads.
The level knob controls up to 16 db’s of cut and boost but for those who only need a few db’s, the
travel of the pot starts slow and speeds up at the extremes giving the user more fine control at levels
of 6 db’s or less. Knob positions are not only easy to see from a distance but are also felt – the level
pot knob has a small point so you know where you are without looking at the eq. The outer
frequency control knob has a knurl texture for ease of grip.
- Avedis Kifedjian
___________________________________________________________________________
PSP E27 Operation Manual 7

PSP E27 specification
Bit depth
PSP E27 supports 32- and 64-bit processing precision.
Channel setup
PSP E27 supports mono-mono, mono-stereo and stereo-stereo channel setup.
•Stereo-stereo: both channels are processed through PSP E27 plugin.
•Mono-stereo : mono track is copied as two independent channels
•Mono-mono - only left channel is processed.
Sample rates
PSP E27 supports from 44.1 kHz up to 384 kHz sample rates.
Latency
PSP E27 produces ultra low latency. Plugin sends info to the host application for proper latency
compensation. Click PSP label under POWER button to check current latency info.
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PSP E27 Operation Manual 8
PSP E27 specification
Bit depth
PSP E27 supports 32- and 64-bit processing precision.
Channel setup
PSP E27 supports mono-mono, mono-stereo and stereo-stereo channel setup.
•Stereo-stereo: both channels are processed through PSP E27 plugin.
•Mono-stereo : mono track is copied as two independent channels
•Mono-mono - only left channel is processed.
Sample rates
PSP E27 supports from 44.1 kHz up to 384 kHz sample rates.
Latency
PSP E27 produces ultra low latency. Plugin sends info to the host application for proper latency
compensation. Click PSP label under POWER button to check current latency info.
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PSP E27 Operation Manual 8

PSP E27 controls
PSP 500 launchbox
Control section is located on the right side of the plug-in.
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PSP E27 Operation Manual 9
PSP E27 controls
PSP 500 launchbox
Control section is located on the right side of the plug-in.
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PSP E27 Operation Manual 9

Power
The Power button turns off the main audio engines, but keeps the
oversampling algorithm active in order to prevent unpleasant clicks.
Toggling the Power button is the fastest way to check PSP E27 plug-in
influence on the sound.
BPS
These two buttons work similarly to the Power button, but they refer to
channels independently. Use the Power button or BPS buttons to disable the
E27 and PA11 modules. Click the BPS label to bypass both channels
instantly.
MON
These options let you choose which channel (or channels) within the stereo
field you wish to monitor. Click or scroll to select between available
monitoring options: Middle/Left/Stereo/Right/Side.
MS
MS shows the current stereo processing mode: Left/Right or Middle/Side.
Click on MS to activate Middle/Side processing instead of Left/Right. The
processing mode is also displayed on the tape label under the 500x modules.
PA11
Click this label to add PA11 modules to the processing chain. Please read the
PA11 description for more details.
2x
Click on 2x to duplicate E27 modules in the processing chain.
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PSP E27 Operation Manual 10
Power
The Power button turns off the main audio engines, but keeps the
oversampling algorithm active in order to prevent unpleasant clicks.
Toggling the Power button is the fastest way to check PSP E27 plug-in
influence on the sound.
BPS
These two buttons work similarly to the Power button, but they refer to
channels independently. Use the Power button or BPS buttons to disable the
E27 and PA11 modules. Click the BPS label to bypass both channels
instantly.
MON
These options let you choose which channel (or channels) within the stereo
field you wish to monitor. Click or scroll to select between available
monitoring options: Middle/Left/Stereo/Right/Side.
MS
MS shows the current stereo processing mode: Left/Right or Middle/Side.
Click on MS to activate Middle/Side processing instead of Left/Right. The
processing mode is also displayed on the tape label under the 500x modules.
PA11
Click this label to add PA11 modules to the processing chain. Please read the
PA11 description for more details.
2x
Click on 2x to duplicate E27 modules in the processing chain.
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PSP E27 Operation Manual 10

LINK
Click LINK to engage link mode between channels. Activating link mode
maintains the original settings of all parameters. To force the same setting
(clear the difference between controls) for all linked channels, press cmd
(MAC) or ctrl (PC) while moving a knob.
Tape label
Label shows current processing mode and module assignment to the
supported channel. Click on this control to change stereo mode from LR to
MS.
PSP
Click on PSP label to check version number, authorization and latency info.
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PSP E27 Operation Manual 11
LINK
Click LINK to engage link mode between channels. Activating link mode
maintains the original settings of all parameters. To force the same setting
(clear the difference between controls) for all linked channels, press cmd
(MAC) or ctrl (PC) while moving a knob.
Tape label
Label shows current processing mode and module assignment to the
supported channel. Click on this control to change stereo mode from LR to
MS.
PSP
Click on PSP label to check version number, authorization and latency info.
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PSP E27 Operation Manual 11

E27
E27 has three band sections and one control section.
IN
Click on the IN button to process sound through the E27 Module. The button
state is indicated by the red LED. When the E27 filters are disabled, sound is
still processed through some parts of the analog-modeled circuit. Keep in
mind that digital bypass can only be enabled in the main panel section (check
BPS and Power controls).
LS
The Low Shelf button is located on the left side of the E27. Click on this
button to engage the shelf filter characteristic instead of the bell filter
characteristic. Low shelf mode is available for five different frequencies:
63/82/120/200/300 Hz.
HS
The High Shelf button is located between IN and Low Shelf buttons. Click
on this control to engage the shelf characteristic for the high band filter (all
nine frequencies).
Filter knobs
Click on the red (internal) part of the knob and drag (or scroll) to set the
desired gain level: from -16 dB (cut) to +16 dB (boost) per band. Scrolling
increases or decreases gain at +- 1dB. Double click on the gain knob to
return a band to its default value (0dB). Hold the shift key while adjusting for
more precise scrolling.
Click and drag (or scroll) to move the external part of the knob.
Alternatively, click on the description of the desired frequency control. Click
on the OFF label to turn off the filter. Click a second time on OFF to set the
filter to the last used frequency.
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PSP E27 Operation Manual 12
E27
E27 has three band sections and one control section.
IN
Click on the IN button to process sound through the E27 Module. The button
state is indicated by the red LED. When the E27 filters are disabled, sound is
still processed through some parts of the analog-modeled circuit. Keep in
mind that digital bypass can only be enabled in the main panel section (check
BPS and Power controls).
LS
The Low Shelf button is located on the left side of the E27. Click on this
button to engage the shelf filter characteristic instead of the bell filter
characteristic. Low shelf mode is available for five different frequencies:
63/82/120/200/300 Hz.
HS
The High Shelf button is located between IN and Low Shelf buttons. Click
on this control to engage the shelf characteristic for the high band filter (all
nine frequencies).
Filter knobs
Click on the red (internal) part of the knob and drag (or scroll) to set the
desired gain level: from -16 dB (cut) to +16 dB (boost) per band. Scrolling
increases or decreases gain at +- 1dB. Double click on the gain knob to
return a band to its default value (0dB). Hold the shift key while adjusting for
more precise scrolling.
Click and drag (or scroll) to move the external part of the knob.
Alternatively, click on the description of the desired frequency control. Click
on the OFF label to turn off the filter. Click a second time on OFF to set the
filter to the last used frequency.
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PSP E27 Operation Manual 12

PA11
PA11 is a special module for preamp processing and external control of the E27. Click on PA11
button on the right side of the plug-in to make it active.
Drive
Click and drag (or scroll) to control output distortion. Setting the Drive to
0dB offers a nominal level of saturation from PSP E27. The Drive knob
allows you to increase or decrease the amount of saturation.
HPF
Click and drag (or scroll) to set the high-pass filter frequency. Use this knob
to get rid of unwanted low frequencies in the mix.
Output
Click and drag (or scroll) to set the Output level for the channel. The signal
will be boost or cut after being processed in E27 modules. Use this knob to
make up lost level, or cut back to compensate for boost.
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PSP E27 Operation Manual 13
PA11
PA11 is a special module for preamp processing and external control of the E27. Click on PA11
button on the right side of the plug-in to make it active.
Drive
Click and drag (or scroll) to control output distortion. Setting the Drive to
0dB offers a nominal level of saturation from PSP E27. The Drive knob
allows you to increase or decrease the amount of saturation.
HPF
Click and drag (or scroll) to set the high-pass filter frequency. Use this knob
to get rid of unwanted low frequencies in the mix.
Output
Click and drag (or scroll) to set the Output level for the channel. The signal
will be boost or cut after being processed in E27 modules. Use this knob to
make up lost level, or cut back to compensate for boost.
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PSP E27 Operation Manual 13

28k
Click the 28k button to enhance high frequencies. This button turns on
special bell filter processing at 28kHz, which causes a gentle and musical
boost in audible bands.
Polarity
Click to change the polarity on the current channel. This button engages a
special algorithm with less noise and clicks than the normal algorithm .
TrafoX
Click to bypass input and output transformers in the channel chain. It
disables the harmonics production typical for audio transformers. There is
only one input and output transformer per PSP E27 plug-in instance.
AmpX
Click to disable distortion produced by the operational amplifier and active
filter circuit emulation in the E27 module.
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PSP E27 Operation Manual 14
28k
Click the 28k button to enhance high frequencies. This button turns on
special bell filter processing at 28kHz, which causes a gentle and musical
boost in audible bands.
Polarity
Click to change the polarity on the current channel. This button engages a
special algorithm with less noise and clicks than the normal algorithm .
TrafoX
Click to bypass input and output transformers in the channel chain. It
disables the harmonics production typical for audio transformers. There is
only one input and output transformer per PSP E27 plug-in instance.
AmpX
Click to disable distortion produced by the operational amplifier and active
filter circuit emulation in the E27 module.
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PSP E27 Operation Manual 14

Tips and Tricks
Filter dependency
Filters within a single E27 module are interdependent and they affect on each other, due to the
hardware‘s internal construction and the relationship between capacitors and other electronical
elements. The difference between sound on the left and right setting is gentle, but audible (about
1dB).
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PSP E27 Operation Manual 15
Tips and Tricks
Filter dependency
Filters within a single E27 module are interdependent and they affect on each other, due to the
hardware‘s internal construction and the relationship between capacitors and other electronical
elements. The difference between sound on the left and right setting is gentle, but audible (about
1dB).
___________________________________________________________________________
PSP E27 Operation Manual 15

Linearity
Enable TrafoX and AmpX buttons to disable the non-linear behaviour of PSP E27. This is the
easiest way to get rid of distortion. This option is especially useful for mastering if there is a need to
work on bands with clean linear filters. Keep in mind that the filters‘ characteristics and
interdependency won‘t change.
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PSP E27 Operation Manual 16
Linearity
Enable TrafoX and AmpX buttons to disable the non-linear behaviour of PSP E27. This is the
easiest way to get rid of distortion. This option is especially useful for mastering if there is a need to
work on bands with clean linear filters. Keep in mind that the filters‘ characteristics and
interdependency won‘t change.
___________________________________________________________________________
PSP E27 Operation Manual 16

Bypass
There are different types of bypass buttons in PSP E27 plug-in (in descending order):
•Power – disables the main audio processing. Even when the Power is disabled, the E27
keeps oversampling to prevent unpleasant clicks.
•BPS – works similarly to the Power button, but this refers to one (or both) of the channels.
BPS buttons do not disable MONitoring mode.
•PA11 – removes PA11 from processing chain. Disables everything that was set in PA11
(Drive, HPF, Output boost, 28k, Polarity, etc.).
•x2 – removes the extra E27 module from the processing chain.
•IN(E27 button) – disables the analog simulated filters within the module, but keeps the
signal processing through some parts of the circuit.
•OFF (PA11 and E27 knobs) – turns off the current filter processing.
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PSP E27 Operation Manual 17
Bypass
There are different types of bypass buttons in PSP E27 plug-in (in descending order):
•Power – disables the main audio processing. Even when the Power is disabled, the E27
keeps oversampling to prevent unpleasant clicks.
•BPS – works similarly to the Power button, but this refers to one (or both) of the channels.
BPS buttons do not disable MONitoring mode.
•PA11 – removes PA11 from processing chain. Disables everything that was set in PA11
(Drive, HPF, Output boost, 28k, Polarity, etc.).
•x2 – removes the extra E27 module from the processing chain.
•IN(E27 button) – disables the analog simulated filters within the module, but keeps the
signal processing through some parts of the circuit.
•OFF (PA11 and E27 knobs) – turns off the current filter processing.
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PSP E27 Operation Manual 17

Mono-Stereo processing
PSP E27 plugin supports three channel modes: Mono-Mono, Mono-Stereo and Stereo-Stereo. Set
mono-stereo channel support in your DAW and use PSP E27 plugin with slightly different settings
for Left and Right channel processing to create wide stereo field from a mono track.
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PSP E27 Operation Manual 18
Mono-Stereo processing
PSP E27 plugin supports three channel modes: Mono-Mono, Mono-Stereo and Stereo-Stereo. Set
mono-stereo channel support in your DAW and use PSP E27 plugin with slightly different settings
for Left and Right channel processing to create wide stereo field from a mono track.
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PSP E27 Operation Manual 18

PSP E27 SINGLE EDITION
The PSP E27se is a simplified version of PSP E27 audio plugin. It is based on the same great audio
engine, but it has a redisigned, smaller GUI for quick adjustments. The PSP E27se is equipped with
one E27 and one PA11 module. It is suitable for both mono tracks and stereo stereo in which there
is no need to use seperate settings for the Left and Right channel.
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PSP E27 Operation Manual 19
PSP E27 SINGLE EDITION
The PSP E27se is a simplified version of PSP E27 audio plugin. It is based on the same great audio
engine, but it has a redisigned, smaller GUI for quick adjustments. The PSP E27se is equipped with
one E27 and one PA11 module. It is suitable for both mono tracks and stereo stereo in which there
is no need to use seperate settings for the Left and Right channel.
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PSP E27 Operation Manual 19

Preset Handling & View Options
We provided PSP E27 and PSP E27se with a set of factory presets. and with additional sets of
presets designed by professional audio producers from around the globe. These included presets
demonstrate the features of the plug-in and can help you to learn to use its controls. In addition,
these presets can be used as a starting point for further adjustments, or for quick fixes.
You access the PSP E27 presets from the PSPaudioware standard PRESET BAR at the top of the
plug-in interface.
Preset Browser
To access the preset browser, you click the preset name window at the top of the plug-in (which
displays ‘Default’ when the plug-in loads).
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PSP E27 Operation Manual 20
Preset Handling & View Options
We provided PSP E27 and PSP E27se with a set of factory presets. and with additional sets of
presets designed by professional audio producers from around the globe. These included presets
demonstrate the features of the plug-in and can help you to learn to use its controls. In addition,
these presets can be used as a starting point for further adjustments, or for quick fixes.
You access the PSP E27 presets from the PSPaudioware standard PRESET BAR at the top of the
plug-in interface.
Preset Browser
To access the preset browser, you click the preset name window at the top of the plug-in (which
displays ‘Default’ when the plug-in loads).
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PSP E27 Operation Manual 20
Table of contents