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  9. Chord Hugo User manual

Chord Hugo User manual

Hugo
Portable Headphone amplifier with Advanced DAC
Thank you for purchasing the Chord Hugo. In order to get the most from your product please take a
few moments to read these instructions.
Hugo is an advanced portable headphone amplifier. It features a state of the art FPGA DAC design
with our latest WTA filter algorithm. Hugo supports PCM formats up to 384KHz including DXD. It
will also natively play DSD64 and DSD128 in DoP format. Powered by batteries for hours of
playback Hugo is totally portable and will work wirelessly via Bluetooth or can be connected via
micro USB to give a direct digital audio signal as found on many portable devices. Hugo can also be
used as a standalone DAC with RCA phono outputs to connect into a HiFi system. Coaxial and
optical digital inputs will connect to a variety or source components. There is an advanced volume
control which can be bypassed for line level operation. Hugo is a truly versatile audio component to
enhance your listening experience.
Get to know Hugo
Hugo features several different inputs and output connections. Please choose the one that suits your
source component
12V DC power input. Connect
to the wall adapter provided to
charge or leave connected for
continuous operation.
Crossfeed switch
Different modes
add spatial effects
Power switch
HD USB input
44 –384KHz capable
SD USB input
Low power
44Khz only
Input Source Switch
Operation
Turn on the power switch. Hugo will cycle through the sequence of colours and then be ready for
operation. Select the input you wish to use and plug in the input cables and headphones as
appropriate. Adjust the volume to a comfortable listening level.
Driver Installation
If you are using the high definition (HD) USB input with a Microsoft WindowsTM Vista, 7 or 8 PC
then you will need to install the driver software on the supplied CD or via our website. ASIO drivers
are also included. AppleTM or AndroidTM platforms are driveless and do not require any driver to
operate.
Bluetooth Input
Hugo can play music via a Bluetooth enabled device. Hugo supports standard A2DP Bluetooth audio
or the higher quality APTX Bluetooth Audio codec. Select the Bluetooth input indicated by a blue
source light and then follow the instructions on your device to pair with Hugo. The pairing code is
0000 if required.
Left and Right phono output.
Can be volume controlled or at 2V line level.
(connect to amplifier or preamplifier)
2 x 3.5mm
headphone jacks
Coax digital audio input
Optical TOSLink digital output
1 x 6.35mm (1/4 inch) Jack
Volume Control –
Rotate to change
volume. Colour
changes to indicate
volume level
Crossfeed Mode
Off –No crossfeed
Red –Minimum
Green –Medium
Blue –Maximum
Input Source
Red –Coax
Green –Optical
Blue –Bluetooth
Yellow –SD USB
White –HD USB
Battery Life
Blue –Fully Charged
Green –90%
Yellow –50%
Red –30%
Flashing Red - Recharge
Coax Input
Connect a coax digital signal to the yellow phono socket. Select the coax input indicated by the red
source light.
Optical Input
Connect an optical digital signal to the TOSLink socket. Select the optical input indicated by the
green source light.
SD USB Input
The standard definition (SD) USB input allows for music playback up to 16 bit 48Khz. This input
does not require any drivers and will be compatible with nearly all mobile phones / tablets and other
source components with USB connection. ( USB drives and USB memory sticks / cards are not
supported ).
Using an OTG (on the go) USB cable or the AppleTM Camera Connection Kit Hugo can be
connected directly to a phone or tablet.
Select the SD USB input indicated by the yellow source light.
HD USB Input
The high definition (HD) USB input is the highest quality method of digital playback. This input is
asynchronous and uses Hugo’s own highly accurate clock circuit. This input will support 384Khz
PCM/DXD and also DSD64 and DSD128 in DoP format. No drivers are required for AppleTM and
AndroidTM devices but for Mirosoft WindowsTM you must firstly load the drivers on the supplied CD
or download them from our website.
Using an OTG (on the go) USB cable or the AppleTM Camera Connection Kit Hugo can be
connected directly to a phone or tablet.
Select the HD USB input indicated by the white source light.
Headphones
Up to 3 sets of headphones can be connected at the same time to share the listening experience.
There is one larger 6.35mm jack socket and two smaller 3.5mm sockets. The high current output
stage will work with headphone impedances as low as 4 ohms or up to several hundred ohms so
there are no restrictions on headphone type or choice.
Charging
Plug in the supplied wall power adapter to charge Hugo. The bright white charge light will
illuminate through the lens. When fully charged (approx 5 hours) the charge light will switch off. It
is safe to leave the power adapter connected continuously to charge and power Hugo. The charge
status is indicated by a colour changing light under the lens. Blue is fully charged and this will
change through green to red as the batteries discharge. When there is no power left the light will
flash red and the output will mute. Please recharge when this happens.
Sample Frequency Lights
Each digital sample frequency received will cause Hugo to illuminate different colours to indicate
correct operation. The sequence is as follows:-
Red –44KHz, Orange –48Khz, Yellow –88KHz, Green –96KHz, Light Blue –176Khz, Dark Blue
–192KHz, Light Purple –352Khz(DXD), Purple –384KHz(DXD).
White indicates DSD operation at either DSD64 or DSD128.
Crossfeed
There are 3 crossfeed modes that enhance the listening experience to give a more spatial ‘out of the
head’ stereo sound field. Using advanced filtering and delay the normal headphone stereo image is
converted to give the effect of a much bigger sound stage as though you are listening to large
loudspeakers or live music. The modes are indicated by the crossfeed light under the lens as
follows:- No light –Normal Mode with no crossfeed, Red light –Minimum Crossfeed (9dB 700Hz),
Green light –Medium Crossfeed (6dB 700Hz), Blue light –Maximum Crossfeed (4.5dB 700Hz)
Volume Bypass
Press and hold the Crossfeed switch whilst turning on to activate volume bypass mode. The volume
control will illuminate light blue to indicate line level output. Using bypass mode Hugo can be used
as a standalone DAC into a preamplifier with volume control.
Warning! –Volume bypass mode will set the volume on all outputs including the headphone
outputs to full level. Do not plug in or use headphones when activating bypass mode.
Specifications
Inputs: 1x Optical TOSLink 24-bit/192kHz-capable
1 x RCA coaxial input 24-bit/384kHz-capable
1 x Driverless USB input 16-bit/44/48kHz-capable
(designed for tablets/phones with no high resolution software)
1x HD USB input 32-bit/384KHz and DSD128-capable
(phone/computer/tablet playback; driverless on Apple / Android)
(Requires driver installation on Microsoft Windows machines)
1 x A2DP/APTX Bluetooth 16-bit/44/48kHz-capable. Upto10m range.
Outputs: 2x3.5mm headphone jacks
1x6.35mm (1/4 inch) headphone jack
1x (pair) stereo RCA phono output
Power Supply / Charger: 12V 0.6A 2.1mm connector. Centre Pin Positive.
100V –240V 50/60Hz 1A wall adapter supplied
Dimensions: 100mm x 20mm x 132mm (Width x Height x Depth)
Weight: 0.4Kg ( 0.9Kg packed weight )
Made in England by Chord Electronics Ltd
www.chordelectronics.co.uk
The Bluetooth name and logos are registered trademarks and are owned by the Bluetooth SIG Inc.
Apt-X advanced Audio Codec Installed

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