Cyrus ONE HD User manual

Cyrus ONE HD User Instrucons
IMPORTANT! READ BEFORE OPERATING THIS EQUIPMENT! .. 1
Power supply ....................................................................... 2
Servicing .............................................................................. 2
Product service centres ....................................................... 2
Legal noces ........................................................................ 2
FCC NOTICE*........................................................................ 3
WELCOME TO THE WORLD OF CYRUS!...................................... 4
Preparaons for Installaon ................................................ 4
INSTALLATION .............................................................................. 5
Rear panel............................................................................ 5
Important – read before connecng anything..................... 6
What can I connect?............................................................ 6
Connect a turntable.............................................................6
Connect analogue line audio ............................................... 6
Connect digital audio...........................................................6
Connect USB audio .............................................................. 6
Connect speakers................................................................. 6
Connect headphones........................................................... 6
Connect mains power.......................................................... 6
OPERATION .................................................................................. 7
Front panel .......................................................................... 7
Power................................................................................... 8
Playing Bluetooth® devices .................................................. 8
Mulple devices.............................................................. 8
First me use/pairing...................................................... 8
Pairing addional devices ............................................... 8
Re-connecng ................................................................. 8
Playing music .................................................................. 8
Playing a vinyl turntable ...................................................... 9
Playing other analogue sources........................................... 9
Playing digital sources.......................................................... 9
Playing USB digital audio sources (USB B input).................. 9
Playing DSD audio (USB B input).......................................... 9
Volume................................................................................. 9
Listening through headphones ............................................ 9
ONE REMOTE APP...................................................................... 10
First use ............................................................................. 10
Using the app..................................................................... 10
Volume control ............................................................. 10
Source select................................................................. 10
Mute ............................................................................. 10
Indicator brightness ...................................................... 10
Opening the sengs screen ......................................... 11
Volume limiter .............................................................. 11
Channel balance ........................................................... 11
AV Direct mode............................................................. 11
Device pane .................................................................. 11
App help screen ............................................................ 11
Feedback....................................................................... 11
Using the app and playing music simultaneously.............. 11
ADVANCED OPERATION ............................................................ 12
AV Direct mode.................................................................. 12
Seng AV Direct mode................................................. 12
Connecng to a Home Cinema decoder ....................... 12
In Use ............................................................................ 12
Factory reset ...................................................................... 12
Reseng the Cyrus ONE HD ......................................... 12
TROUBLESHOOTING GUIDE...................................................... 13
Diagnosc system .............................................................. 13
SPECIFICATIONS......................................................................... 14
Power Supply ..................................................................... 14
Power Consumpon .......................................................... 14
Enclosure ........................................................................... 14
Analogue audio performance............................................ 14
Cable and opcal digital audio .......................................... 14
USB digital audio................................................................14
Digital audio performance at Pre-out................................ 14
Bluetooth specicaon ...................................................... 14
WARRANTY................................................................................. 14
WEEE........................................................................................... 14
CONTENTS

Cyrus ONE HD User Instrucons
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
operang instrucons should be adhered to.
READ ALL THE INSTRUCTIONS: All the safety and operang
instrucons should be read before the product is operated.
RETAIN INSTRUCTIONS: The safety and operang
instrucons should be retained for future reference.
FOLLOW INSTRUCTIONS: All operang and use instrucons
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 ampliers) that produce heat.
VENTILATION: Slots and openings in the cabinet are
provided for venlaon, to ensure reliable operaon of
the product and to protect it from overheang 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 installaon such as a bookcase or rack
unless proper venlaon is provided or the manufacturer’s
instrucons 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 mounng of the product should follow
the manufacturer’s instrucons, and should use a mounng
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 baery power, or
other sources, refer to the operang instrucons.
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 parcular
aenon 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 protecon for this product during
a lightning storm, or when it is le unaended 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 : Baeries 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 exclamaon mark is to draw your
aenon to important instrucons 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
combinaon should be moved with care. Sudden
stops, excessive force, and uneven surfaces may
cause the product and cart to overturn.
ATTACHMENTS: Do not use aachments not recommended
by the product manufacturer as they may cause hazards.
WARNING: To prevent possible hearing damage,
do not listen at high volume levels for long
periods.

Cyrus ONE HD User Instrucons
2
Power supply
The mains supply requirement of your amplier is marked
on a label on the rear panel. Before connecng, 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 dierent mains voltage,
contact your local Cyrus distributor to have your product
converted.
There are no user replaceable fuses in this unit.
Servicing
Do not aempt to service this product yourself as opening
or removing covers may expose you to dangerous voltage
or other hazards. Refer all servicing to qualied service
personnel.
CONDITIONS REQUIRING SERVICE: Unplug this product
from the wall outlet and refer servicing to qualied 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 operang instrucons. (Adjust only those controls
that are covered by the operang instrucons. Improper
adjustment of other controls may result in damage
requiring extensive work by a qualied technician to
restore the product to its normal operaon).
When the product exhibits a disnct change in •
performance.
REPLACEMENT PARTS: When replacement parts are
required, be sure the service technician has used
replacements specied by the manufacturer or have the
same characteriscs as the original part. Unauthorised
substuons may result in re, electric shock, or other
hazards.
SAFETY CHECK: Upon compleon of any service or repairs
to this product, ask the service technician to perform safety
checks to determine that the product is in proper operang
condion.
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 noces
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 respecve owners.
Android is a trademark of Google Inc.
iTunes® is a trademark of Apple Inc., registered in the U.S.
and other countries.

Cyrus ONE HD User Instrucons
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 protecon against harmful interference in a residenal installaon. This
equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instrucons, may cause harmful interference to radio
communicaons. However, there is no guarantee that interference will not occur in
a parcular installaon. If this equipment does cause harmful interference to radio
or television recepon, 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 separaon between the equipment and receiver.•
Connect the equipment into an outlet on a circuit dierent from that to which the •
receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.•
Any changes or modicaons not expressly approved by the manufacturer could void
the user’s authority to operate the equipment.
*115V products

Cyrus ONE HD User Instrucons
4
WELCOME TO THE WORLD OF CYRUS!
Congratulaons 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 condent 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.
Registraon takes only a few minutes, brings the added
benet of a full three year factory warranty and adds you
to our mailing list for future product updates and upgrades.
To register, visit www.cyrusaudio.com/support and click the
‘Register your product’ link.
Please read these instrucons carefully before commencing
installaon. They provide full guidance to help you install
your amplier safely and correctly.
Preparaons for Installaon
Before installing your Cyrus amplier check that the following
items are included in the accessory box.
Power Cable x 2•
Aer removing these items, please retain the packaging.
Install the amplier in a well venlated locaon away from
sources of high temperature, dust or humidity. Never stand
the amplier under another unit or on any surface likely to
obstruct its cooling or venlaon.

Cyrus ONE HD User Instrucons
5
INSTALLATION
Right - speaker output1.
Right + speaker output2.
Pre-Amp output3.
AV input4.
Upgrade port5.
Line input 66.
Line input 57.
Turntable input8.
Rear panel
Turntable ground9.
Power inlet10.
Le - speaker output11.
Le + speaker output12.
Opcal input 313.
Digital input 414.
USB input15.
ab cd
efg hi 1) 1! 1@
1% 1$ 1#

Cyrus ONE HD User Instrucons
6
Important – read before connecng anything
Always disconnect all system components from the mains
before changing any connecons. Connect the mains when
everything is hooked up.
When connecng 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
compable.
You can connect up to 3 x line analogue audio sources such
as CD or DVD players, TVs or satellite boxes.
You can connect two digital audio sources. Both cable and
opcal connecon are available.
You can connect USB audio from a computer.
Connect a turntable
The turntable will have a cable with two plugs, and oen 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 analogue line audio
If you have line audio sources you can connect them to any
of the analogue inputs - Input 5, Input 6 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 stereo mode.
Connect digital audio
If you have digital audio sources you can connect them to
Input 3 (opcal) or Input 4 (wired).
For opcal digital sources, connect a Toslink opcal •
interconnect (not supplied) from the output of the
source to Input 3.
For wired digital sources, connect a digital phono •
interconnect (not supplied) from the output of the
source to Input 4.
Connect headphones
Connect headphones to the jack on the front panel. When
headphones are connected to the amplier, 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 connecons, connect
mains power.
Connect the socket on the power cable to the power •
inlet on the back panel of the amplier. 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
connecon.
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
amplier (and right to the right).
polarity
Connect USB audio
If you connect a computer to the USB audio port you can
play all audio from the computer through your amplier.
Connect a USB A to USB B cable (not supplied) between a•
free USB port on the computer and the USB B input.
Connect speakers
The amplier and speaker have red and black speaker
terminals. Make sure the red terminal on the amplier
connects to the red terminal on the speaker (and black to
black).

Cyrus ONE HD User Instrucons
7
OPERATION
Front panel
Source selector1.
Volume control2.
Headphone socket3.
Power switch4.
ab
cd

Cyrus ONE HD User Instrucons
8
Power
Power is controlled by the mains power buon under the
front panel.
Press the buon to switch the amplier on. Press again •
to switch the amplier o.
When the amplier is switched on the front panel indicators
for source and volume level will light.
Playing Bluetooth® devices
Mulple devices
The Cyrus ONE HD can pair with up to 3 Bluetooth sources.
Most sources that have been paired will automacally re-
connect when in range, up to the 3 source maximum.
First me use/pairing
Set the source selector to the • posion.
A Bluetooth scan will start.
If no Bluetooth sources are connected, the Bluetooth
indicator will ash.
Acvate • Bluetooth mode on the source.
If the source is a phone, Bluetooth mode will normally be in
the connecvity secon of the sengs menu.
If the source is a computer, Bluetooth sengs should be in
the control panel.
In the Bluetooth menu of the source, there should be an
opon to search for Bluetooth devices.
Select this opon.•
The source will now scan for Bluetooth devices and should
nd the unit, idened as ‘CyrusONEHD’, 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 addional devices
Follow the previous secon to pair each addional source.
NOTE: If a Bluetooth source is already connected the
Bluetooth indicator will not ash, but the Cyrus ONE HD will
remain discoverable to other Bluetooth sources unl the
maximum of 3 sources are connected.
Re-connecng
Some devices will re-connect when next in range, others
may require manual connecon.
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 amplier.
When mulple devices are connected, the device that is
playing will generally hold the Bluetooth channel unl play
stops. Some devices, parcularly computers, may hold the
Bluetooth channel aer play stops. In this case the device
will need to be disconnected before playing another.

Cyrus ONE HD User Instrucons
9
Volume
Turn the volume control clockwise to increase the •
volume or an-clockwise to reduce the volume.
The volume indicators will show the volume level.
Listening through headphones
Plug the headphones into the front panel headphone •
jack.
The speakers will switch o and music will play through the
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 a vinyl turntable
Set the source selector to the • posion.
Start the record playing.•
Playing other analogue sources
Set the source selector to play the source you want to •
hear (posions 5, 6 or AV).
Set the source to play.•
Playing digital sources
Set the source selector to play the source you want to •
hear (posions 3 or 4).
Set the source to play.•
Playing USB digital audio sources (USB B input)
Sources for USB music will generally be les streamed to or
stored on a personal computer.
Before playing USB music, change the audio sengs •
on the computer to output sound to the Cyrus ONE HD
device.
Set the source selector to the • posion.
Play the music le.•
Playing DSD audio (USB B input)
DSD Audio les will also be stored on a personal computer.
Playback of DSD les will require the installaon on the
computer of a specialist music playback app that supports
DSD playback.
Before playing DSD music, choose, install and congure •
a DSD player app on the computer.
Set the source selector to the • posion.
Play the DSD music le.•

Cyrus ONE HD User Instrucons
10
ONE REMOTE APP
The ONE Remote app is available to enable your Cyrus ONE
HD to be controlled from most popular mobile devices when
within range of the Cyrus ONE HD.
The app is a free download from the Google PlayTM App
store for AndroidTM mobile devices or from the App store for
Apple mobile devices.
The images in this secon show the Android app screens.
Apple app screens will have a slightly dierent appearance.
First use
Before using the app for the rst me, switch on your
Cyrus ONE HD and ensure that Bluetooth communicaon is
enabled on your mobile device.
Launch the app and this screen will appear.•
Touch ‘Select Device’ to connue.•
You should now see the connecon ID of your Cyrus ONE HD
amplier in the format ONEHDXX where XX is the last two
digits of its serial number.
If there is more than one Cyrus ONE amplier in range, they
will all be listed.
Touch an ID to connect to it.•
If the app connects successfully, the home screen with
remote commands will appear.
g
h
i
1)
1%
a
b
c
1!
1@
d
1#
1$
e
f
Using the app
Once the app is installed, volume and source selecon will
be duplicated on the device screen with some addional
funcons available only from the app screen.
Reduce brightness1.
Select2. Bluetooth source
Select source 43.
Select turntable source4.
Step volume down5.
Mute6.
Increase brightness7.
Select USB8.
Select source 39.
Select source 610.
Select source 511.
Select AV source12.
Volume bar13.
Step volume up14.
Sengs15.
Volume control
Slide the volume bar to the right or le to increase or •
decrease the volume level.
Source select
Touch one of the source selecon icons to change the •
selected source.
Mute
Mute will temporarily mute all sound from the speakers.
Touch the • icon to mute the sound. Touch again to
return to the volume previously set.
Indicator brightness
Touch the • or icon to increase or decrease the
brightness of the front panel indicators.

Cyrus ONE HD User Instrucons
11
ONE REMOTE APP
Opening the sengs screen
Touch • to go to the sengs screen.
Channel balance
The balance seng will make one speaker louder than the
other. Use the balance sengs to equalise the speaker
volumes if you sit closer to one speaker than the other.
Move the BALANCE slider to the le or right to change •
the channel balance.
The balance seng will also be shown on the front panel by
the volume control indicators.
Indicates that balance
is displayed
Balance is centred
Balance is oset
4dB to the right
Balance can be moved by up to 9dB in each direcon. When
turned beyond 9dB to the le or right, only the selected
channel will play.
AV Direct mode
Refer to the ‘Advanced operaon’ secon on the next page
for more informaon about using AV Direct mode.
Device pane
The Device pane shows the ID of the connected Cyrus •
ONE HD and enables you to disconnect the app from your
Cyrus ONE HD.
App help screen
Touch the ‘Stuck?’ pane to open a help screen if you are •
having any problems running your app.
Feedback
Touch the Feedback? pane to tell us about your •
experiences with the ONE Remote app.
Using the app and playing music simultaneously
It is possible to use the app to control a Cyrus ONE HD from
the same mobile device that is streaming music to the
Bluetooth input.
In this case the ONE Remote app and music stream are
separately connected to the Cyrus ONE HD.
NOTE: Connecng the app to a Cyrus ONE HD does not pair
your mobile device to the Cyrus ONE HD for Bluetooth audio.
Follow the instrucons in the ‘Playing Bluetooth devices’
secon on page 8 to pair your mobile to the Cyrus ONE HD
for audio.
a
g
b
c
d
e
f
Volume limiter slider1.
Balance slider2.
AV Direct mode selecon3.
Disconnect tab4.
Help tab5.
Feedback tab6.
Device informaon pane7.
Volume limiter
In the Sound pane you can set the MAX VOLUME slider •
to set a maximum selectable volume for the app.
NOTE: This does not set a maximum selectable volume
for the front panel voume control.

Cyrus ONE HD User Instrucons
12
AV Direct mode is not setAV Direct mode is set
Follow the prompts on the app screen if you want to set •
or cancel AV Direct mode.
If no changes are made to the AV direct seng, the AV source
light will stop ashing to indicate that normal operaon has
resumed.
Connecng 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 HD.
In Use
Select AV when playing a movie and a xed volume seng
will be applied. The front channel sound will play through
the Cyrus ONE HD.
Volume operaon will return to normal when another input
is selected.
ADVANCED OPERATION
AV Direct mode
When AV Direct mode is set, the Cyrus ONE HD switches
to work as a power amp when the AV source is selected.
This means you can use Cyrus ONE HD as a high quality front
channel drive for a Home Cinema system.
CAUTION: Seng AV Direct mode will x the volume control
at a high level whenever the AV source is selected. Use this
seng 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.
Seng AV Direct mode
The seng is changed from the ONE app.
Switch on the power.•
Touch AV Direct • on the sengs screen.
The AV source indicator will ash and the volume indicators
will show if AV Direct is set.
Factory reset
Factory reset will clear all sengs including -
Last used volume and source sengs.•
Stored balance seng (restored to central seng).•
• Bluetooth pairing list.
AV Direct mode seng (when set).•
Reseng the Cyrus ONE HD
Factory reset can only be selected from the front panel
within 10 seconds of switching on the Cyrus ONE HD.
Switch on the power.•
Within 10 seconds, turn the volume control an-•
clockwise six mes.
All front panel indicators will ash twice to conrm sengs
have been reset.

Cyrus ONE HD User Instrucons
13
Diagnosc system
Your amplier has a unique diagnosc system to help you to
diagnose problems. There are ve error messages that may
be displayed – PSU, Output, Over-temperature and System.
These are displayed by light paerns 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 amplier is not operang properly, disconnect the
power and check carefully all connecons.
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 connecons, cables -
replace if needed.
Low volume when playing vinyl
The pickup cartridge may be the
wrong type.
Check that the pickup cartridge
is a Moving Magnet type (not
Moving Coil).
Hum when playing vinyl
There 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 connecons
faulty.
Check, replace where necessary.
A Bluetooth source fails to pair
Bluetooth connecvity may not
be enabled at the source.
Check that Bluetooth
connecvity is enabled at the
source.
If the problem persists, switch
o the power and switch back
on, then re-try pairing.
No sound, digital audio source
No sound from a cable or
opcal digital source.
Check that the source is
connected correctly and set to
play.
Check that the correct input is
selected.
Check that the digital sample
rate is compable with the
Cyrus ONE HD.
No sound, USB audio source
No sound from a USB source. Check the computer audio
sengs. The audio must be set
to output sound to the Cyrus
ONE HD device.
No sound, DSD audio playback
No sound when playing DSD
les.
Ensure that a DSD player
app is installed and correctly
congured on the computer.
Check that the DSD le type is
compable with the Cyrus ONE
HD.
PSU error
This error will be displayed if
the internal power supply is out
of range.
This may be a temporary
condion when playing
excessive levels of deep bass or
could be a fault condion in the
power supply.
The amplier will mute when
the error is detected. If the
error clears the amplier will
connue to play normally. If
the error remains, the amplier
should be returned to your
retailer.
Output error
The amplier output has
been overloaded or may have
overheated. This is usually due
to the volume being set too
high for prolonged listening or
inadequate venlaon for the
amplier.
It could also be due to a short-
circuit at the loudspeaker
terminals.
The amplier will mute unl
it has cooled down. If this
happens regularly, try improving
the venlaon around the case.
If the problem connues, then
the impedance of your speakers
may be too low.
If this error remains, switch
o the amplier and check
that there are no short circuits
at either end of the speaker
wiring.
Over-temperature error
The amplier has over-heated
internally.
Check that the venlaon
slots on the amplier are not
obstructed.
System error
There is an internal circuit error. Return the amplier for service.
If a fault condion sll remains, return the amplier to your
Cyrus appointed retailer or an authorised Service Centre.
PSU
Le channel output error
Over-temperature
Right channel output error
System error

Cyrus ONE HD User Instrucons
14
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 collecon point to be recycled.
Your cooperaon in the correct disposal of
this product will contribute to the eecve
usage of natural resources. For more
informaon on collecon points, contact
your disposal service or City Hall.
SPECIFICATIONS
Power Supply
Voltage ............................................ As plate on rear of unit
Power Consumpon
Maximum ................................................................... 750W
Safety Compliance............................................................CE
EMC (230V).......................................................................CE
EMC (115V)..................................................................... FCC
Enclosure
Dimensions (WxHxD)...........................220 x 86.5 x 390 mm
Weight ....................................................................... 5.72kg
Material................................................ Non-ferrous chassis
Analogue audio performance
Input Sensivity (50W/8Ω).............Line................... 200mV
Input Impedance ............................Line...................... 47kΩ
Frequency Response (-3dB)............Line........... 6Hz > 50kHz
Signal to Noise Rao (A-WTD)........Line.................... 96dBA
Power Output (2 channels driven) .6Ω..................... >110W
THD+N (1kHz, 1/3power) ................6Ω..................... <0.01%
(both channels driven)
THD+N Pre-out (1kHz, 600mV).......Line................. <0.002%
Cable and opcal digital audio
Cable input voltage..........................................500mV pk-pk
Cable input impedance ................................................. 75Ω
Opcal connecon .................................................... Toslink
Sample rate range ............................................... 32k - 192k
Digital audio formats..................................PCM stereo only
USB digital audio
USB formats............................... asynchronous digital audio
USB sample rates................................................. 32k - 192k
DSD (via USB)............................................................. DSD64
Digital audio performance at Pre-out
S/N rao (Pre-out, 0dB FS, 600mV out)................. >110dBA
THD+N (Pre-out, 0dB FS, 600mV out)..................... <0.002%
Bluetooth specicaon
Bluetooth version..........................................................V4.1
aptXTM, aptX HDTM ...........supported for compable sources
Cyrus reserves the right to change all specicaons without noce. 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 installaon, 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.
Consequenal damage, loss or injury, arising from or in •
conjuncon with this equipment.
Equipment for aenon under warranty should be consigned
return carriage paid. If returned equipment is found to
comply with the published specicaon, CYRUS reserves
the right to raise a charge.
The above condions do not aect your statutory rights as
a consumer.
Cyrus ONE HD english v0.4

Cyrus Audio Ltd., Ermine Business Park, Hunngdon, PE29 6XY, U.K.