Cyrus ONE User manual

ONE

Cyrus ONE User Instrucons
IMPORTANT! READ BEFORE OPERATING THIS EQUIPMENT! .. 1
Power supply ....................................................................... 2
Servicing .............................................................................. 2
Product service centres ....................................................... 2
Legal noces ........................................................................ 2
FCC NOTICE.......................................................................... 3
WELCOME TO THE WORLD OF CYRUS!...................................... 4
Preparaons for Installaon ................................................ 4
INSTALLATION .............................................................................. 5
Rear panel............................................................................ 5
Important – read before connecng anything..................... 6
What can I connect?............................................................ 6
Connect a turntable............................................................. 6
Connect line audio............................................................... 6
Connect speakers................................................................. 6
Connect headphones........................................................... 6
Connect mains power.......................................................... 6
OPERATION .................................................................................. 7
Front panel .......................................................................... 7
Remote control .................................................................... 8
First me use/acvang the remote control .................. 8
Replacing the remote control baery............................. 8
Baery disposal .............................................................. 8
Power................................................................................... 9
Playing Bluetooth® devices .................................................. 9
Mulple devices.............................................................. 9
First me use/pairing...................................................... 9
Pairing addional devices ............................................... 9
Re-connecng ................................................................. 9
Playing music .................................................................. 9
Playing other sources......................................................... 10
Volume............................................................................... 10
Balance .............................................................................. 10
Mute .................................................................................. 10
Listening through headphones .......................................... 10
ADVANCED OPERATION ............................................................ 11
AV Direct mode.................................................................. 11
Seng AV Direct mode................................................. 11
Connecng to a Home Cinema decoder ....................... 11
In Use ............................................................................ 11
Factory reset...................................................................... 11
Reseng the Cyrus ONE ............................................... 11
TROUBLESHOOTING GUIDE...................................................... 12
Diagnosc system .............................................................. 12
SPECIFICATIONS......................................................................... 13
Power Supply ................................................................ 13
Power Consumpon ..................................................... 13
Enclosure ...................................................................... 13
Audio performance Cyrus ONE ..................................... 13
Bluetooth specicaon ................................................. 13
WARRANTY................................................................................. 13
WEEE........................................................................................... 13
CONTENTS

Cyrus ONE User Instrucons
1
WARNING: To reduce the risk of electrical shock do not
remove any unit covers or panels. There are no user
serviceable parts in this product.
WARNING: To reduce the risk of electric shock, do not
expose this equipment to rain or moisture.
HEED WARNINGS: All warnings on the product and in the
operang instrucons should be adhered to.
READ ALL THE INSTRUCTIONS: All the safety and operang
instrucons should be read before the product is operated.
RETAIN INSTRUCTIONS: The safety and operang
instrucons should be retained for future reference.
FOLLOW INSTRUCTIONS: All operang and use instrucons
should be followed.
CLEANING: Unplug this product from the mains before
cleaning. Do not use liquid or aerosol cleaners. Use a damp
cloth for cleaning.
WATER AND MOISTURE: Do not use this product near water
- for example, near a bath tub, wash bowl, kitchen sink, or
laundry tub, in a wet basement; or near a swimming pool
and the like. The product must not be exposed to dripping
or splashing and no objects lled with liquids, such as vases,
shall be placed on the product.
HEAT: The product should be situated away from heat
sources such as radiators, stoves, or any other products
(including ampliers) that produce heat.
VENTILATION: Slots and openings in the cabinet are
provided for venlaon, to ensure reliable operaon of
the product and to protect it from overheang and these
openings must not be blocked or covered. The openings
should never be blocked by placing the product on a bed,
sofa, rug or similar surface. This product should not be
placed in a built-in installaon such as a bookcase or rack
unless proper venlaon is provided or the manufacturer’s
instrucons have been adhered to.
OBJECT OR LIQUID ENTRY: Never push objects of any kind
into this product through openings as they may touch
dangerous voltage points or short-out parts that could
result in a re or electric shock.
ACCESSORIES: Do not place this product on an unstable
cart, stand, tripod, bracket, or table. The product may fall,
causing serious injury to a child or adult, and serious damage
to the product. Use only with a cart, stand, tripod, bracket
or table recommended by the manufacturer, or sold with
the product. Any mounng of the product should follow
the manufacturer’s instrucons, and should use a mounng
accessory recommended by the manufacturer.
POWER SOURCES: This product should be operated only
from the type of power source indicated on the marking
label. If you are not sure of the type of power supply to your
home, consult your product dealer or local power company.
For products intended to operate from baery power, or
other sources, refer to the operang instrucons.
OVERLOADING: Never overload wall outlets, extension
cords, or integral convenience receptacles. This can result in
an increased risk of re or electric shock.
POWER CORD PROTECTION: Power supply cords should be
routed so that they are not likely to be walked on or pinched
by items placed upon or against them, paying parcular
aenon to cords at plugs, convenience receptacles, and
the point where they exit from the product.
NAKED FLAMES: No naked ame sources, such as candles,
must be placed on this product.
LIGHTNING: For added protecon for this product during
a lightning storm, or when it is le unaended or unused
for long periods of me, unplug it from the wall outlet and
disconnect the antenna or cable system. This will prevent
damage to the product due to lightning and power-line
surges.
BATTERIES: Warning : Baeries shall not be exposed to
excessive heat such as sunshine, re or the like.
CAUTION! POLARISED CONNECTOR (CANADA and USA):
To prevent electrical shock, match wide blade of plug to
wide slot, fully insert. Do not alter or remove this plug if it
does not t your mains power socket. Have a suitable socket
installed by a competent electrician.
ACCESS TO THE MAINS PLUG: The means to disconnect this
product from the mains supply is the mains plug. Ensure
that the mains plug is accessible at all mes.
WARNING: This appliance must be earthed.
IMPORTANT! READ BEFORE OPERATING THIS EQUIPMENT!
CAUTION: The exclamaon mark is to draw your
aenon to important instrucons and safety
procedures in this manual.
ATTENTION: The lightning ash warns you of the
risk of electrical shock presented by components
inside this product. Unauthorised personnel must
not open this unit.
MOVING THE PRODUCT: A product and cart
combinaon should be moved with care. Sudden
stops, excessive force, and uneven surfaces may
cause the product and cart to overturn.
ATTACHMENTS: Do not use aachments not recommended
by the product manufacturer as they may cause hazards.

Cyrus ONE User Instrucons
2
Power supply
The mains supply requirement of your amplier is marked
on a label on the rear panel. Before connecng, check that
this voltage is the same as your mains supply.
230V Products: Voltage Range 220V-240V
115V Products: Voltage Range 110V-120V
If you move to an area with a dierent mains voltage,
contact your local Cyrus distributor to have your product
converted.
There are no user replaceable fuses in this unit.
Servicing
Do not aempt to service this product yourself as opening
or removing covers may expose you to dangerous voltage
or other hazards. Refer all servicing to qualied service
personnel.
CONDITIONS REQUIRING SERVICE: Unplug this product
from the wall outlet and refer servicing to qualied service
personnel:
When the power supply cord or plug is damaged.•
If liquid has been spilled, or objects have fallen into the •
product.
If the product has been exposed to rain or water.•
If the product has been dropped or damaged in any •
way.
If the product does not operate normally by following •
the operang instrucons. (Adjust only those controls
that are covered by the operang instrucons. Improper
adjustment of other controls may result in damage
requiring extensive work by a qualied technician to
restore the product to its normal operaon).
When the product exhibits a disnct change in •
performance.
REPLACEMENT PARTS: When replacement parts are
required, be sure the service technician has used
replacements specied by the manufacturer or have the
same characteriscs as the original part. Unauthorised
substuons may result in re, electric shock, or other
hazards.
SAFETY CHECK: Upon compleon of any service or repairs
to this product, ask the service technician to perform safety
checks to determine that the product is in proper operang
condion.
Product service centres
For product service or technical advice, contact only
authorised Cyrus service centres. Contact details for
Cyrus distributors may be found on the Cyrus website at
www.cyrusaudio.com.
Legal noces
The Bluetooth® word mark and logos are registered
trademarks owned by Bluetooth SIG, Inc. and any use of
such marks by Cyrus is under license. Other trademarks and
trade names are those of their respecve owners.

Cyrus ONE User Instrucons
3
FCC NOTICE*
NOTE: This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide
reasonable protecon against harmful interference in a residenal installaon. This
equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instrucons, may cause harmful interference to radio
communicaons. However, there is no guarantee that interference will not occur in
a parcular installaon. If this equipment does cause harmful interference to radio
or television recepon, which can be determined by turning the equipment o and
on, the user is encouraged to try and correct the interference by one or more of the
following measures:
Reorient or relocate the receiving antenna.•
Increase the separaon between the equipment and receiver.•
Connect the equipment into an outlet on a circuit dierent from that to which the •
receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.•
Any changes or modicaons not expressly approved by the manufacturer could void
the user’s authority to operate the equipment.
*115V products

Cyrus ONE User Instrucons
4
WELCOME TO THE WORLD OF CYRUS!
Congratulaons on your choice of Cyrus Hi- products. Our
state-of-the-art design technology and outstanding quality
of manufacture has won countless awards around the
world. We are condent that you will derive great pleasure
from owning a product from one of the most recognised and
respected manufacturers of hi- equipment.
Now is a good me to register your new Cyrus product.
Registraon takes only a few minutes, brings the added
benet of a full two year factory warranty and adds you to
our mailing list for future product updates and upgrades.
To register, visit www.cyrusaudio.com and click the ‘Login/
Register’ link.
Please read these instrucons carefully before commencing
installaon. They provide full guidance to help you install
your amplier safely and correctly.
Preparaons for Installaon
Before installing your Cyrus amplier check that the following
items are included in the accessory box.
Power Cable x 2•
Remote Handset•
Aer removing these items, please retain the packaging.
Install the amplier in a well venlated locaon away from
sources of high temperature, dust or humidity. Never stand
the amplier under another unit or on any surface likely to
obstruct its cooling or venlaon.

Cyrus ONE User Instrucons
5
INSTALLATION
Right - speaker output1.
Right + speaker output2.
Pre-Amp output3.
AV input4.
Upgrade port5.
Line input 56.
Line input 47.
Rear panel
Line input 38.
Turntable ground9.
Turntable input10.
Power inlet11.
Le - speaker output12.
Le + speaker output13.
Left +
Left -
CONTAINS FCC ID:
SSSBC127-X
Upgrade
MADE IN ENGLAND
543
AV
R
Right +
L
Right -
CAUTION!
RISK OF ELECTRICAL SHOCK
DO NOT OPEN
ATTENTION!
RISQUE DE CHOC ELECTRIQUE
NE PAS OUVRIR
WARNING:
ATTENTION:
THIS APPLIANCE
MUST BE EARTHED
CET APPAREIL DOIT
ÊTRE BRANCHÉ À
LA TERRE
PRE
OUT
ab cd efghi1) 1! 1@ 1#

Cyrus ONE User Instrucons
6
Important – read before connecng anything
Always disconnect all system components from the mains
before changing any connecons. Connect the mains when
everything is hooked up.
When connecng sources avoid the use of long interconnects
which may degrade sound quality. The maximum length
advised is 3m.
What can I connect?
You can play sound from Bluetooth sources such as a phone
or a computer.
You can connect a vinyl turntable. It must have a Moving
Magnet cartridge. Moving Coil cartridges are not
compable.
You can connect up to 4 x line analogue audio sources such
as CD or DVD players, TVs or satellite boxes.
Connect a turntable
The turntable will have a cable with two plugs, and oen a
thin ground wire with a tag.
Connect the plugs to the • sockets on the back panel.
Connect the white plug to the le socket and the red
plug to the right socket.
Unscrew the ground • terminal then fasten the ground
wire under the terminal.
Connect line audio
If you have line audio sources you can connect them to any
of the inputs - 3, 4, 5 or AV.
Connect a stereo phono interconnect (not supplied) •
from the outputs of the source to one of these inputs on
the back panel.
Connect the white plugs to the le sockets and the red •
plugs to the right sockets.
If the source has surround-sound (DVD player etc), check
that the source is set to work in two channel mode.
Connect headphones
Connect headphones to the jack on the front panel. When
headphones are connected to the amplier, the speakers
will switch o.
The headphone socket is a standard 1/4” (6.35mm) stereo
jack. Converters are readily available If you want to use
headphones with a smaller (3.5mm) jack.
Connect mains power
When you have nished all other connecons, connect
mains power.
Connect the socket on the power cable to the power •
inlet on the rear panel of the amplier. Now connect the
cable to a mains outlet.
NOTE: The means to disconnect this product from the mains
supply is the mains plug. Ensure that the mains plug is
accessible at all mes.
Speaker cables will have a polarity •
indicator. This is usually a stripe
or rib on the wire to show the red
connecon.
Connect the striped wire to the •
red terminal at each end, then
connect the other wire to the
black terminals.
Make sure the le speaker is
connected to the le terminals at the
amplier (and right to the right).
polarity
Connect speakers
The amplier and speaker have red and black speaker
terminals. Make sure the red terminal on the amplier
connects to the red terminal on the speaker (and black to
black).

Cyrus ONE User Instrucons
7
OPERATION
Front panel
Source selector1.
Volume control2.
Headphone socket3.
Remote control detector4.
Power switch5.
ab
cde

Cyrus ONE User Instrucons
8
First me use/acvang the remote control
There’s a transparent acvaon tab ed to the remote
control.
Pull out the acvaon tab to connect the baery and •
start using the remote control.
Remote control
Increase indicator brightness1.
Decrease indicator brightness2.
Move balance right3.
AV Direct mode setup4.
Direct select source buons5.
Move balance le6.
Volume down7.
Volume up8.
Mute9.
Replacing the remote control baery
Press the catch across.•
While holding the catch, open the baery door.•
Fit the baery with the + marking upwards. When •
replacing the baery, use only the same CR2025 type.
a
b
ab
Baery disposal
Dispose of used baeries with regard to the recycling
regulaons in your area. Do NOT short circuit baeries or
throw them into water, the general rubbish or in a re.
a
b
c
d
e
f
g
h
i

Cyrus ONE User Instrucons
9
Power
Power is controlled by the mains power buon under the
front panel.
Press the buon to switch the amplier on. Press again •
to switch the amplier o.
When the amplier is switched on the front panel indicators
for source and volume level will light.
Playing Bluetooth® devices
Mulple devices
The Cyrus ONE can pair with up to 3 Bluetooth sources.
Most sources that have been paired will automacally re-
connect when in range, up to the 3 source maximum.
First me use/pairing
Set the source selector to the • posion.
A Bluetooth scan will start.
If no Bluetooth sources are connected to Cyrus ONE, the
Bluetooth indicator will ash.
Acvate • Bluetooth mode on the source.
If the source is a phone, Bluetooth mode will normally be in
the connecvity secon of the sengs menu.
If the source is a computer, Bluetooth sengs should be in
the control panel.
In the Bluetooth menu of the source, there should be an
opon to search for Bluetooth devices.
Select this opon.•
The source will now scan for Bluetooth devices and should
nd the unit, idened as ‘Cyrus ONE’, followed with a serial
number.
Choose to pair with this.•
Your Bluetooth source will now connect.
NOTE: If the device features Bluetooth technology earlier
than V2.1, you will be asked for a password.
If so, enter 0000.•
If the source connects successfully, the Bluetooth indicator
will stop ashing.
Pairing addional devices
Follow the previous secon to pair each addional source.
NOTE: If a Bluetooth source is already connected the
Bluetooth indicator will not ash, but the Cyrus ONE will
remain discoverable to other Bluetooth sources unl the
maximum of 3 sources are connected.
Re-connecng
Some devices will re-connect when next in range, others
may require manual connecon.
Playing music
Once your device is connected you can select the music you
want to play from the device and set the volume level etc.
at the amplier.
When mulple devices are connected, the device that is
playing will generally hold the Bluetooth channel unl play
stops. Some devices, parcularly computers, may hold the
Bluetooth channel aer play stops. In this case the device
will need to be disconnected before playing another.

Cyrus ONE User Instrucons
10
Balance
The balance seng will make one speaker louder than the
other. Use the balance sengs to equalise the speaker
volumes if you sit closer to one speaker than the other.
Press the BAL L or BAL R buon on the remote control to •
move the channel balance to the le or right.
Indicates that balance
is displayed
Balance is centred
Balance is oset
4dB to the right
Balance can be moved by up to 9dB in each direcon. When
turned beyond 9dB to the le or right, only the selected
channel will play.
Mute
Mute will temporarily mute all sound from the speakers.
Press the • buon on the remote control to mute the
sound. Press again to return to the volume previously
set.
Listening through headphones
Plug the headphones into the front panel headphone •
jack.
The speakers will switch o and music will play through
headphones.
Warning: Excessive sound pressure from earphones and
headphones can cause hearing loss.
NOTE: The volume will reduce to a low level when you
unplug headphones and return to speaker listening.
Playing other sources
Set the source selector to the source you want to hear •
or
Press a direct select source buon on the remote •
control,
Set the source to play.•
Set the volume to the level you want.•
Volume
Turn the volume control clockwise to increase the •
volume or an-clockwise to reduce the volume.
or
Press the • or buon on the remote control to turn
the volume up or down.
The volume indicators will show the volume level.

Cyrus ONE User Instrucons
11
AV Direct mode is not setAV Direct mode is set
Press AV on the remote repeatedly to switch AV Direct •
mode on or o.
When you have nished changing the seng, press AV •
DIR to save and exit.
If no changes are made to the AV direct seng, the AV source
light will stop ashing to indicate that normal operaon has
resumed.
Connecng to a Home Cinema decoder
Connect the front le and right channels of the Home
Cinema decoder to the AV sockets on the Cyrus ONE.
In Use
Select AV when playing a movie and a xed volume seng
will be applied. The front channel sound will play through
the Cyrus ONE.
Volume operaon will return to normal when another input
is selected.
ADVANCED OPERATION
AV Direct mode
When AV Direct mode is set, the Cyrus ONE switches to work
as a power amp. This means you can use Cyrus ONE as high
quality front channel drive for a Home Cinema system.
CAUTION: Seng AV Direct mode will x the volume control
at a high level whenever the AV source is selected. Use this
seng only when the AV input is connected to the front
channels of an AV Home Cinema decoder, or with other
sources that include a volume control.
Seng AV Direct mode
AV Direct mode can only be set within 10 seconds of
switching on the Cyrus ONE. The seng is changed from the
remote control using the AV DIR and AV buons.
Switch on the power.•
Select the AV source.•
Within 10 seconds, press AV DIR on the remote.•
The AV source indicator will ash and the volume indicators
will show if AV Direct is set.
Factory reset
Factory reset will clear all sengs including -
Last used volume and source sengs.•
Stored balance seng (restored to central seng).•
• Bluetooth pairing list.
AV Direct mode seng (when set).•
Reseng the Cyrus ONE
Factory reset can only be selected within 20 seconds of
switching on the Cyrus ONE.
Switch on the power.•
Within 20 seconds, press MUTE on the remote control •
5 x mes.
At this stage, the rmware version will be displayed. V1.2 is
shown in the example.
To proceed with factory reset, press MUTE on the remote •
control once more.
All indicators will ash twice to conrm.
1
.2

Cyrus ONE User Instrucons
12
Diagnosc system
Your amplier has a unique diagnosc system to help you
to diagnose problems. There are three error messages that
may be displayed – PSU, Output and Over-temperature.
These are displayed by light paerns on the source indicators.
When an error is detected all the source indicators will light
except one that ashes to indicate the type of error.
The drawing shows the ashing indicator.
TROUBLESHOOTING GUIDE
If your amplier is not operang properly, disconnect the
power and check carefully all connecons.
If you are in any doubt, consult your retailer.
No sound
Mute is on. Deselect Mute
The source is not working
(e.g. CD not playing or paused).
Check the source.
No sound from one loudspeaker
BAL control at extreme limit. Centralise Balance.
Does your speaker have fuses? Check speaker, replace fuses.
Speaker cables / interconnects
faulty.
Check connecons, cables -
replace if needed.
Low volume when playing vinyl
May be the wrong type of
pickup cartridge.
Check that the pickup cartridge
is a Moving Magnet type (not
Moving Coil).
Hum when playing vinyl
May be a turntable grounding
problem.
Check that the turntable ground
wire is securely connected to
the grounding terminal on the
back panel.
Check that the pickup cartridge
is correctly connected.
Spurious noises from speakers
Interconnects or connecons
faulty.
Check, replace where necessary.
A Bluetooth source fails to pair
Bluetooth connecvity may not
be enabled at the source.
Check that Bluetooth
connecvity is enabled at the
source.
If the problem persists, switch
o the power and switch back
on, then re-try pairing.
Remote control not working
Remote control not operang. Check baery.
PSU error
This error will be displayed if
the internal power supply is out
of range.
This may be a temporary
condion when playing
excessive levels of deep bass or
could be a fault condion in the
power supply.
The amplier will mute when
the error is detected. If the
error clears the amplier will
connue to play normally. If
the error remains, the amplier
should be returned to your
retailer.
Output error
The amplier output has
been overloaded or may have
overheated. This is usually due
to the volume being set too
high for prolonged listening or
inadequate venlaon for the
amplier.
It could also be due to a short-
circuit at the loudspeaker
terminals.
The amplier will mute unl
it has cooled down. If this
happens regularly, try improving
the venlaon around the case.
If the problem connues, then
the impedance of your speakers
may be too low.
If this error remains, switch
o the amplier and check
that there are no short circuits
at either end of the speaker
wiring.
Over-temperature error
The amplier has over-heated
internally.
Check that the venlaon
slots on the amplier are not
obstructed.
If a fault condion sll remains, return the amplier to your
Cyrus appointed retailer or an authorised Service Centre.
PSU
Output
Over-temperature

Cyrus ONE User Instrucons
13
WEEE
This logo means that this product is not to
be disposed of with your household waste.
This product should be handed over to a
designated collecon point to be recycled.
Your cooperaon in the correct disposal of
this product will contribute to the eecve
usage of natural resources. For more
informaon on collecon points, contact
your disposal service or City Hall.
SPECIFICATIONS
Power Supply
Voltage ............................................ As plate on rear of unit
Power Consumpon
Maximum .......................................Cyrus ONE .......... 750W
Safety Compliance............................................................ CE
EMC (230V).......................................................................CE
EMC (115V)..................................................................... FCC
Enclosure
Dimensions (WxHxD)...........................220 x 86.5 x 390 mm
Weight ............................................Cyrus ONE ......... 5.72kg
Material................................................ Non-ferrous chassis
Audio performance Cyrus ONE
Input Sensivity (50W/8Ω).............Line................... 200mV
Input Impedance ............................Line...................... 10kΩ
Frequency Response (-3dB)............Line........... 6Hz > 50kHz
Signal to Noise Rao (A-WTD)........Line.................... 85dBA
Power Output (2 channels driven) .6Ω....................... 110W
THD+N (Pre-Amp) 1kHz ..................Line................. <0.006%
THD+N (1kHz, 25W)........................6Ω................... <0.012%
(both channels driven)
Bluetooth specicaon
Bluetooth version..........................................................V4.1
aptXTM .............................supported for compable sources
Cyrus reserves the right to change all specicaons without noce. E &OE
WARRANTY
The warranty should be registered on-line within 30 days
of purchase. No retailer or distributor may vary the terms
of this warranty, which is personal to the original purchaser
and is not transferable.
Please retain the sales receipt as proof of purchase.
Warranty claims must wherever possible be made through
the retailer from whom the equipment was purchased.
This warranty excludes:
Damage caused through neglect, accident, misuse, wear •
and tear, or through incorrect installaon, adjustment
or repair by unauthorised personnel. Any unauthorised
servicing will result in loss of warranty.
Liability for damage or loss occurring in transit to or from •
the purchaser.
Consequenal damage, loss or injury, arising from or in •
conjuncon with this equipment.
Equipment for aenon under warranty should be consigned
return carriage paid. If returned equipment is found to
comply with the published specicaon, CYRUS reserves
the right to raise a charge.
The above condions do not aect your statutory rights as
a consumer.
Cyrus ONE english v1.4

Cyrus Audio Ltd., Ermine Business Park, Hunngdon, PE29 6XY, U.K.
Table of contents
Other Cyrus Amplifier manuals

Cyrus
Cyrus Pre XPd User manual

Cyrus
Cyrus SmartPower User manual

Cyrus
Cyrus X Power User manual

Cyrus
Cyrus Power User manual

Cyrus
Cyrus 6 Power User manual

Cyrus
Cyrus Straight Line User manual

Cyrus
Cyrus i7-XR User manual

Cyrus
Cyrus 6 DAC User manual

Cyrus
Cyrus DAC X Signature User manual

Cyrus
Cyrus POWER-XR User manual