Pronomic TL 200 User manual

Pronomic Amplifier TL 200, TL 400, TL 700, TL 1200
Operating Manual
Art. Nr.: TL 200: 00063864
TL 400: 00021732
TL 700: 00021733
TL 1200: 00021734
Revision: *-06-2020

Power amplifier TL series
© 2020
This manual is protected by copyright. Any copying or reprint, even in excerpts, is
only allowed with written consent of Musikhaus Kirstein GmbH. The same applies to
reproduction or copying of images, even in altered form.
Contents
Product Description...............................................................................................2
Power Supply .........................................................................................................2
Scope of Delivery...................................................................................................2
SAFETY...................................................................................................................3
Connections ...........................................................................................................3
Intended Purpose...................................................................................................3
Intended Use...........................................................................................................4
Important Safety Instructions ................................................................................4
Installation and Operation.....................................................................................4
Power Amplifier TL 200, TL 400; TL 700...........................................................5
Power Amplifier TL 1200.................................................................................11
Block Diagram ....................................................................................................18
Specifications .....................................................................................................19
CLEANING & MAINTENANCE..............................................................................19
SIMPLIFIED EU DECLARATION OF CONFORMITY............................................20
WEEE Declaration (Waste of Electrical and Electronic Equipment)................20

Power amplifier TL series
2022-11-21 Pronomic TL Serie / ArtNr.: 00063864/00021732/00021733/00021734 1
Thank you for purchasing this product. To ensure you will be completely satisfied with this
product, read and understand this manualcarefully before use. Keep the manual in a safe
place. The Operating Manual must be passed on to all subsequent users.
Follow the Operating Manual!
The signal word WARNING identifies hazards, which can result
without precautions in serious injury.
The signal word NOTE indicates general precautions, which should
be observed in handling the product.
Images used in this manual may differ slightly from the actual
product, as long as it has no adverse effect on the properties and
safety of the product.
All personal formulations in these instructions are to be considered
gender neutral.
These operating instructions apply to persons who have been supervised or
instructed in the operation of the unit by a person responsible for their safety and
who have proven to be able to handle the unit.
Children should be supervised to ensure that they do not play with
the unit. Do not leave the children unattended.
All information contained in this Operating Manual is accurate to the best of our
knowledge and belief. Neither the author nor the publisher, however, can be held liable for
damages or losses that arise in connection with the use of this Operating Manual.
Other product, brand or company designations specified in this document are
possibly the trademarks of their respective owners. Compliance with all applicable
copyright laws is the responsibility of the user of this document.

Power amplifier TL series
2 Pronomic TL Serie / ArtNr.: 00063864/00021732/00021733/00021734 2022-11-21
Product Description
The instructions in this manual apply to all TL Series power amplifiers. The
operation and functions of these devices are identical unless stated otherwise.
All professional power amplifiers of the TL series have:
•volume control; Parallel balanced XLR and 1/4 "TRS inputs, stereo (dual
channel), parallel input or bridged mono mode with selector switch.
•3 selectable input sensitivities (sensitivity), clip limiter, ground lift switch,
screw terminals (banana plug) and Speakon outputs.
•2 fans with two speeds for cooling; Soft start function when switching on,
silent switching on and off, independent DC and thermal overload protection
on each channel, short circuit and loudspeaker protection, built-in current
limiter.
•Front LED indicators: Power, Signal, Clip, Protect.
•Roadworthy, rugged 2U / 3U chassis.
•230 V (50 Hz) AC and IEC power cord.
Warning, electricity
General warning sign
Power Supply
Check that the mains voltage corresponds to 230 V (50 Hz) AC selector switch.
Using other voltages than specified can cause irreparable damage to the unit.
The device must be connected directly to the mains. Do not use dimmer or
controllable power supply.
Scope of Delivery
1. User manual
2. Power amplifier of the TL series
3. Power cable

Power amplifier TL series
2022-11-21 Pronomic TL Serie / ArtNr.: 00063864/00021732/00021733/00021734 3
SAFETY
Before fitting or removing the unit, ensure that the power cord
is disconnected from the mains.
Make sure that the unit is positioned so that no one can trip
over the power cord.
1. Do not use this product near water (e.g. near a bathtub, sink, in a wet
basement or near a swimming pool, etc.).
2. Do not place this product near heat sources such as radiators, vents or other
equipment (including amplifiers) that produce heat.
3. Connected this product to a power supply that complies with the type described
in the operating instructions or specified on the product only. Replace the fuse
with one of the specified types, sizes and ratings only.
4. The product should be serviced by qualified service personnel if:
A. The power cord or plug has been damaged.
B. Objects have fallen into the product or liquid has been spilled on the
product.
C. The product was exposed to rain.
D. The product does not seem to function normally or it has a significant
change in performance.
E. The product has been dropped and / or the housing is damaged.
5. Do not attempt to service the product beyond the points described in the user
manual. All other service work should be assigned to qualified service
personnel.
Connections
Before using the unit, ensure that your mains voltage corresponds to voltage
indicated on the unit.
Intended Purpose
The power amplifiers of the TL series are designed for standard 19-inch rack-
mounting.

Power amplifier TL series
4 Pronomic TL Serie / ArtNr.: 00063864/00021732/00021733/00021734 2022-11-21
Intended Use
Important Safety Instructions
This manual contains important information on the correct and safe
operation of your Pronomic power amplifiers. If you have any
questions, please contact your dealer.
1. This product should only be used with a cart or stand that keeps it level and
stable and prevents wobbling.
2. The product should be positioned so that adequate ventilation is ensured.
3. This product can be used in combination with speakers that can cause
permanent hearing loss. Do not operate the device at high or uncomfortable
volume for a long period of time. If you notice hearing loss or ringing in the ears,
you should consult a doctor.
4. Make sure that no objects fall into the housing openings and that no any liquids
get through the housing openings.
5. The product should never share an electrical outlet or extension cord with other
devices as the power rating of the outlet or extension cord may be exceeded.
6. The productshouldnever be left plugged in when notin use for a long time.
7. Make sure the power cord is undamaged.
8. For mounting on the front rack rails, use screws with washers.
9. When installing the power amplifier in the rack, attach the product to the front
and rear rack rails. This prevents the device from being deformed.
10. Never block the ventilation slots of the product.
11. Do not place the product in a location with direct sunlight or heat from hot
equipment or radiators. Excessive heat may adversely affect the housing and
internal components.
12. Installing the product in a damp or dusty environment may result in malfunction
or accident.
Installation and Operation
Carefully open the shipping box and check the contents for any
obvious damage. Each amplifier of the Pronomic TL series is fully
tested before leaving the factory and should arrive in perfect
condition. If you find any damage, immediately notify the shipping
company. Keep the shipping box and all packing materials for
inspection by the carrier.

Power amplifier TL series
2022-11-21 Pronomic TL Serie / ArtNr.: 00063864/00021732/00021733/00021734 5
Power Amplifier TL 200, TL 400; TL 700
Disconnect the unit from the power supply before installation.
FRONT
1. ON / OFF SWITCH
to turn the device on or off.
Before turning the power
amplifier on, check all
connections and turn down the
level controls. Temporary mute is
normal when turning the power
amplifier on or off.
Caution:
Always switch the power
amplifier on last, after all other
connected devices are
switched on;
Always turn off the power
amplifier before connecting
any other equipment
2. POWER LED-INDICATORS
These LEDs are lit when the
power is on.
3. CLIP-LED-INDICATORS
These LEDs light up when the
input level of the output stage is
exceeded by 3 dB (overload).
When this occurs, you must either
turn down the level controls on
the power amp or lower the output
level of the previous component
so that the clip LED goes out.
This avoids distortion in the sound
image and prevents damage to
the connected speakers.
4. SIGNAL-LED-INDICATORS
These LEDs are light up to confirm the
presence of an input signal above 100
mV on this channel of the power
amplifier.
5. PROTECT-LED-INDICATORS
These LEDs light up when the output
connection of the output stage is short-
circuited, the load impedance is too low
or an internal malfunction occurs. If one
of these LEDs lights up, switch off the
power supply and check the connection
of the output. Then turn on the power
again.
6. LEVEL CONTROLS
to control the level of the signal that
gets into each channel. The actual
voltage attenuation of the power
amplifier is displayed in dB.
Turn these controls counterclockwise
when the SIGNAL LEDs are lit steadily
(indicating an excessive input signal).
7. "BRIDGED"-LED-INDICATORS
These LEDs are lit when the
"BRIDGE"-MODE is set.
8. "PARALLEL"-LED-INDICATORS
These LEDs are lit when the
"PARALLEL"-MODE is set.

Power amplifier TL series
6 Pronomic TL Serie / ArtNr.: 00063864/00021732/00021733/00021734 2022-11-21
BACK
9. POWER-CONNECTOR
The connector is used to connect the
amplifier to a power source.
(CAUTION: Only operate the device
with the supplied cold device cable)
10. FUSE
Fuse holder for 5A-15A / 250V fuses.
If these fuses blow repeatedly, switch
off the device and have it serviced by
qualified service personnel.
11. GROUND LIFT SWITCH
Turn onthe switch to disconnect the
device from the ground, if necessary, to
eliminate "humming" by ground loops.
12. SENSITIVITY SELECTOR SWITCH
This switch is used the make the
amplifier suitable for different input
levels. 0,7V means that the amplifier
reaches full output power when 07V is
input. 1,0V means that the amplifier
reaches full output power when 1,0V
is input and so on. 1,0V can meet the
requirements of most audio
equipment. Only select 0,7V or 1,44
under special condition, such as when
the signal is particularly weak or large.
13. COMPRESSOR SELECTOR
The TL series power amplifiers offer 2
settings: OFF or COMPRESSOR. This
switch is the choice of compressor on
and off. So whatever at any sensitivity,
it is recommended to use compressor to
avoid clipping.
14. OUTPUT CONNECTIONS FOR
SPEAKERS
The connections are described under
the model name.
15. INPUT CONNECTORS (XLR)
The XLR connector is equipped with
balanced inputs. Symmetrical
connections between the devices are
recommended as they are less
susceptible to AC hum. For long cable
runs, an output impedance of the
source of less than 600 ohms is
required to avoid signal loss. Use the
inputs for CH-1 and CH-2 for stereo
operation (two-channel). Use only the
CH-1 input for parallel or bridged mono
operation. (Seethe userguide below
for more information).
16. MODE SELECTION SWITCH
The TL series amplifiers offer three
modes of operation: PARALLEL,
STEREO and BRIDGED. Set the
switch to one of the three positions
as needed.
17. VENTILATION OPENINGS
The fan speed is automatically
varied to maintain the correct
internal operating temperature.

Power amplifier TL series
2022-11-21 Pronomic TL Serie / ArtNr.: 00063864/00021732/00021733/00021734 7
PARALL-MODE (MONO) - In this mode, both channels can be operated in parallel
with the same signal without the need for a Y-cable.
In this mode, the inputs for both channels are internally connected, so you only need
to feed one signal into one of the channels. This further allows independent level
control for each channel. It also allows for easy "Daisy-Chaining" with other power
amplifiers by using the other channel of the input terminals.
Do not select parallel mode if you supply the power amplifier with 2
separate signals.
Do not use unbalanced and balanced cables at the same time,
otherwise hum may occur.
STEREO-MODE - This is the most commonly used mode and allows independent
control of two separate signals, such as stereo playback, main and monitor live mix,
and bi-amp operation (highs in one channel and lows in the other).
BRIDGED-MODE (MONO) - This mode combines the power of both channels to
drive a single speaker. In this mode, the power amplifier generates 4 times peak
power and 3 times continuous power in a 4 or 8 ohm speaker, as each channel can
deliver separately in stereo or parallel mode.
In this mode, the power amplifier can power a loudspeaker
with high power. Make sure the speaker, connectors, and
cabling is adequate for performance. Please note that with a 4-
ohm loudspeaker, the mains fuse can blow during prolonged
overload. Check that the power amplifier is not overloaded
when setting this mode.
Connect the input signal to the CH-1 input to bypass the mono
operation.

Power amplifier TL series
8 Pronomic TL Serie / ArtNr.: 00063864/00021732/00021733/00021734 2022-11-21
The following instructions describe the most common ways to build the power amp
into a sound system.
Turn off the power amplifier before making the connections.
The TL series power amplifiers can be operated in one of three modes (stereo,
bridged mono, end-parallel mono).
Observe the following wiring diagrams for connecting the
loudspeakers.
The manufacturer assumes no liability for loudspeakers that have
been damaged by improper wiring, improper use of the power
amplifier or by overcurrent.

Power amplifier TL series
2022-11-21 Pronomic TL Serie / ArtNr.: 00063864/00021732/00021733/00021734 9
STEREO (2-CHANNEL) –MODE
1. Check if the power amplifier is switched off.
2. Set the MODE SELECTION SWITCH (16, on the back of the unit) to the middle
position "STEREO".
3. Connect the input / output lines properly as shown in the illustration above.
PARALLEL (MONO) –MODE
Do not use the "PARALLEL (MONO)" setting when feeding the
separate signals from another power amplifier.
1. Check if the power amplifier is switched off.
2. Set the MODE SELECTOR (16, on the back of the device) to the "PARALLEL"
position. The input signal from CH-1 is passed on to the input of CH-2.
3. Connect the input / output lines properly as shown in the illustration above.

Power amplifier TL series
10 Pronomic TL Serie / ArtNr.: 00063864/00021732/00021733/00021734 2022-11-21
BRIDGED (MONO) –MODE
Make sure that the cabling and the loudspeaker used are
suitable for this.
1. Check if the power amplifier is switched off.
2. Set the MODE SELECTION SWITCH (16, on the back of the unit) to the
position "BRIDGED".
3. Connect the input / output lines properly as shown in the illustration above.
The signal will be output in CH-1.
4. Turn the volume control of channel "2" counterclockwise until it stops.

Power amplifier TL series
2022-11-21 Pronomic TL Serie / ArtNr.: 00063864/00021732/00021733/00021734 11
Power Amplifier TL 1200
Disconnect the unit from the power supply before installation.
FRONT
1. ON / OFF SWITCH
to turn the device on or off. Before
turning the power amplifier on, check
all connections and turn down the
level controls. Temporary mute is
normal when turning the power
amplifier on or off.
Caution:
Always switch the power amplifier
on last, after all other connected
devices are switched on.
Always turn off the power
amplifier before connecting any
other equipment.
2. POWER LED-INDICATORS
These LEDs are lit when the power
is on;
3. CLIP-LED-INDICATORS
These LEDs light up when the input
level of the output stage is
exceeded by 3dB (overload). When
this occurs, you must either turn
down the level controls on the
power amp or lower the output level
of the previous component so that
the clip LED goes out. This avoids
distortion in the sound image and
prevents damage to the connected
speakers.
4. SIGNAL-LED-INDICATORS
These LEDs are light up to confirm
the presence of an input signal
above 100mV on the channel of the
power amplifier.
5. PROTECT-LED-INDICATORS
These LEDs light up when the
output connection of the output
stage is short-circuited, the load
impedance is too low or an internal
malfunction occurs. If one of these
LEDs light up, switch off the power
supply and check the connection of
the output. Then turn on the power
again.
6. LEVEL CONTROLS
to control the level of the signal that
gets into each channel. The actual
voltage attenuation of the power
amplifier is displayed in dB.
Turn these controls
counterclockwise when the SIGNAL
LEDs are lit steadily (indicating an
excessive input signal)
7. "BRIDGED"-LED-INDICATORS
These LEDs are lit when the
"BRIDGE"-MODE is set
8. "PARALLEL"-LED-INDICATORS
These LEDs are lit when the
"PARALLEL"-MODE is set

Power amplifier TL series
12 Pronomic TL Serie / ArtNr.: 00063864/00021732/00021733/00021734 2022-11-21
BACK
9. POWER-CONNECTOR
The connector is used to connect the
amplifier to a power source.
CAUTION: Only operate the device
with the supplied cold device cable
10. FUSE
Fuse holder for 5A-15A / 250V fuses.
If these fuses blow repeatedly, turn off
the device and have it serviced by
qualified service personnel
11. GROUND LIFT SWITCH
Turn onthe switch to disconnect the
device from the ground, if necessary, to
eliminate "humming" by ground loops;
12. SENSITIVITY SELECTOR SWITCH
This switch is used the make the
amplifier suitable for different input
levels. 0,7V means that the amplifier
reaches full output power when 07V
is input. 1,0V means that the
amplifier reaches full output power
when 1,0V is input and so on. 1,0V
can meet the requirements of most
audio equipment. Only select 0,7V or
1,44 under special condition, such as
when the signal is particularly weak
or large
13. COMPRESSOR SELECTOR SWITCH
The TL series power amplifiers offer 2
settings: OFF or COMPRESSOR. This
switch is the choice of compressor on
and off. So whatever at any sensitivity,
it is recommended to use compressor to
avoid clipping.
14. UR CHANNEL OUTPUTS
The connections are described under
the model name.
15. INPUT CONNECTORS (XLR)
The XLR connector is equipped with
balanced inputs. Symmetrical
connections between the devices are
recommended as they are less
susceptible to AC hum. For long cable
runs, an output impedance of the
source of less than 600 ohms is
required to avoid signal loss. Use the
inputs for CH-1 and CH-2 for stereo
operation (two-channel). Use only the
CH-1 input for parallel or bridged
mono operation. (Seethe user guide
below for more information).
16. MODE SELECTION SWITCH
The TL series amplifiers offer three
modes of operation: PARALLEL,
STEREO and BRIDGED. Set the
switch to one of the three positions
as needed.
17. VENTILATION OPENINGS
The fan speed is automatically
varied to maintain the correct
internal operating temperature.

Power amplifier TL series
2022-11-21 Pronomic TL Serie / ArtNr.: 00063864/00021732/00021733/00021734 13
PARALL-MODE (MONO) - In this mode, both channels can be operated in parallel
with the same signal without the need for a Y-cable.
In this mode, the inputs for both channels are internally connected, so you only need
to feed one signal into one of the channels. This further allows independent level
control for each channel. It also allows for easy "Daisy-Chaining" with other power
amplifiers by using the other channel of the input terminals.
Do not select parallel mode if you supply the power amplifier with 2
separate signals.
Do not use unbalanced and balanced cables at the same time,
otherwise hum may occur.
STEREO-MODE - This is the most commonly used mode and allows independent
control of two separate signals, such as stereo playback, main and monitor live mix,
and bi-amp operation (highs in one channel and lows in the other).
BRIDGED-MODE (MONO) - This mode combines the power of both channels to
drive a single speaker. In this mode, the power amplifier generates 4 times peak
power and 3 times continuous power in a 4 or 8 Ωspeaker, as each channel can
deliver separately in stereo or parallel mode.
In this mode, the power amplifier can power a loudspeaker
with high power. Make sure the speaker, connectors, and
cabling are adequate for performance. Please note that with a
4-ohm loudspeaker, the mains fuse can blow during prolonged
overload. Check that the power amplifier is not overloaded
when setting this mode.
Connect the input signal to the CH-1 input to bypass the mono
operation.

Power amplifier TL series
14 Pronomic TL Serie / ArtNr.: 00063864/00021732/00021733/00021734 2022-11-21
The following instructions describe the most common ways to build the power amp
into a sound system.
Turn off the power amplifier before making the connections.
The TL series power amplifiers can be operated in one of three modes (stereo,
bridged mono, end-parallel mono).
Observe the following wiring diagrams for connecting the
loudspeakers.
The manufacturer assumes no liability for loudspeakers that have
been damaged by improper wiring, improper use of the power
amplifier or overcurrent.

Power amplifier TL series
2022-11-21 Pronomic TL Serie / ArtNr.: 00063864/00021732/00021733/00021734 15
STEREO (2-CHANNEL) –MODE
1. Check if the power amplifier is switched off.
2. Set the MODE SELECTOR (16, on the back of the unit) to the middle position
"STEREO".
3. Connect the input / output lines properly as shown in the illustration above.

Power amplifier TL series
16 Pronomic TL Serie / ArtNr.: 00063864/00021732/00021733/00021734 2022-11-21
PARALLEL (MONO) –MODE
Do not use the "PARALLEL (MONO)" setting when feeding the
separate signals from another power amplifier.
1. Check if the power amplifier is switched off.
2. Set the MODE SELECTOR (16, on the back of the unit) to the "PARALLEL"
position.
3. Connect the input / output lines properly as shown in the illustration above.

Power amplifier TL series
2022-11-21 Pronomic TL Serie / ArtNr.: 00063864/00021732/00021733/00021734 17
BRIDGED (MONO) –MODE
Make sure that the cabling and the loudspeakers used are
suitable for this
1. Check if the power amplifier is switched off.
2. Set the MODE SELECTION SWITCH (16, on the back of the unit) to the
position "BRIDGED".
3. Connect the input / output lines properly as shown in the illustration above.
The signal will be output in CH-1.
4. Turn the volume control of channel "2" counterclockwise until it stops.

Power amplifier TL series
18 Pronomic TL Serie / ArtNr.: 00063864/00021732/00021733/00021734 2022-11-21
Block Diagram