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XM HP
Headphone Amplier
Quick Start Manual
Thank you for purchasing the Exposure XM HP Headphone Amplier
www.exposurehi.com
Contents & before you start
Please check the contents in the box:
Exposure XM HP
Headphone Amplier
HS3 Remote Control
(Batteries not included)
Mains Cable Driver Disc
Before you start
Ensure your unit is switched off and that
the volume control knob is at it’s minimum.
Please note that your Exposure XM HP
Headphone Amplier may take up to
48 hours to ‘run-in’ before reaching it’s
optimal performance.
Each subsequent ‘run-in’ will then take
about 20 minutes.
1 Installation
The XM HP Headphone Amplier : Front View
1. Please set the volume control knob
to minimum before connecting or
disconnecting any cables.
2. Connect the mains cable to the IEC mains
input socket.
3. Connect to the mains outlet on the wall.
DO NOT switch on until all input and output
connections are made.
Two (2) sets of headphones can be connected at any one
time.
XLR 6.35mm jacks
2 Source Component Connections
The XM HP Headphone Amplier : Back View
DIGITAL INPUTS
The XM HP Headphone Amplier is tted with an USB input
and four (4) SPDIF inputs (D1 to D4 are for connection to CD/
DVD/Satellite receiver etc.)
D1 & D3 SPDIF input (BNC Coax)
USB Connect to a PC or
Media player.
D2 & D4 SPDIF input (Optical)
ANALOGUES INPUTS
The XM HP Headphone Amplier is tted with three (3)
analogue inputs; AUX/PH, AUX 2, and AUX 3.
1. Connect RCA Phono cables from each source
component to the respective input.
2. Ensure left and right channels are connected correctly.
(Right channel is marked in red)
AUX/PH Connect to a Turntable that uses
a Moving Magnet (MM) cartridge.
Connect the arm ground wire to
the ground terminal provided
below the input socket.
AUX 2 Line level input to connect to any
line level source.
AUX 3 Line level input to connect to any
line level source.
GROUND TERMINAL
For turntable arm
ground wire
Preout
L
R
Right
Left
INPUT
Back view of XM HP
Headphone Amplier
Right Speaker Left Speaker
Back view of a typical
Power Amplier
OUTPUTS
MON OUT
Monitor output for connection to a tape recorder input.
PRE OUT
Connect to an external Power Amplier (see diagram below).
Turn off the Power Amplier when headphones are in use.
When using the PRE OUT disconnect the headphones.
3 Operation
1. Turn the XM HP Headphone
Amplier volume control to
minimum.
2. Press the power switch on the XM
HP Headphone Amplier. The LED
power indicator will light up. The
output relay will activate after a
short delay.
3. Without playing any source, turn
the volume control knob slowly
clockwise to around 20%. You
should only hear a faint hiss.
4. Press the select button
for the desired input
source, indicated by
the LED.
Sound should now be heard when the
input source is played.
4 Remote Control
Functions for an Exposure CD
Player.
Increase/decrease the volume.
The LED on the volume knob will
ash as the volume is adjusted.
Press the select + or - for the
desired input source.
Press the appropriate button for
the desired input source.
Mutes the output to minimum.
The LEDs on the volume knob and the input source will
go out. Press MUTE again or press the VOL- button to
restore the output.
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5 Technical Specications
Analogue Inputs
Pre Amplier Output (input sensitivity / impedance / S/N):
AUX/PH input MM 2.5mV @ 1KHz, 47K ohms > 73dB
Frequency Response +/-0.5dB 50Hz-20KHz.
High pass roll off -1.5dB @ 20Hz
AUX 2 & AUX 3 input 350mV @ 1KHz > 14K ohms
line output gain x3.75, +11.5dB
Total Harmonic
Distortion <0.005% at 1KHz, 1.3V RMS output
Frequency Response 20Hz - 20KHz +/-0.5dB
Signal to Noise Ratio
ref 1.3V RMS Output 1KHz > 92dB
Channel Separation
@ 20KHz > 60dB
Digital Inputs
SPDIF inputs
BNC Coax & Optical 32 - 192KHz @ 16-24 bits
Total Harmonic
Distortion <0.005% at 1KHz, 1.3V RMS output
Signal to Noise Ratio
ref 1.3V RMS Output 1KHz: > 98dB
USB input Linear PCM 44K1 - 192KHz @ 16-24 bits
DSD x64 (DoP) Asynchronous transfer
from host
Headphone Output
Output Impedance < 5 ohms
Maximum Level
33 ohms load @ 1KHz & 0.01% THD: 7V RMS (1.5W)
Total Harmonic
Distortion @ 2V output, 1KHz: <0.003% (120mW)
Maximum Level
330 ohms load @ 1KHz & 0.01% THD: 7.5V RMS
(170mW)
Total Harmonic
Distortion @ 2V output, 1KHz: <0.003% (12mW)
Load Impedance
total all outputs 16 ohms minimum
General Specications
Mains Supply 110/120V or 220/240V @ 50/60Hz
(factory set)
Fuse T2AL for 110/120V units
T1AL for 220/240V units
Power Consumption <15W
Dimensions (WxHxD) 218mm x 89mm x 363mm (inc knob)
Net Weight 4kg
Gross Weight 5kg
6 Safety
Incorrect installation or inappropriate use of the XM HP
Headphone Amplier may result in injury due to electrical shock.
• Ensure that the voltage rating on the rear panel of this unit
matches that of your local mains supply*
• Ensure that the mains cable and plug supplied with this unit
are also correct. (Contact your dealer immediately if this is
not the case).
• This unit is protected by a mains fuse, which is accessible as
part of the IEC socket on the rear panel.
• Fuse replacement specications:
110/120V units T2AL fuse
220/240V units T1AL fuse
• Protect the unit against all forms of liquid. Never expose the
unit to dripping or splashing, or place objects lled with water;
such as vases, on the unit.
• Unplug the unit from the mains when not in use for prolonged
periods.
• Do not open this unit - there are NO user serviceable parts
inside.
• Set the volume control to minimum before turning this unit on
or off.
• Ensure that this unit is switched off when connecting or
disconnecting speaker and interconnect cables.
* Contact your Exposure dealer or distributor for advice on
moving your equipment to another country or territory.
7 Caution
For a long and trouble-free life of your XM HP Headphone
Amplier, please ensure the following:
• Do not short circuit the speaker terminals.
• Do not remove the cover of the unit or dismantle the case.
• Protect the unit against all forms of liquid. Never exposure the
unit to dripping or splashing, or place objects lled with water;
such as vases, on the unit.
• Do not operate the unit in damp environments or allow liquids
to enter the unit.
• Do not attempt to bypass the mains fuse or replace the fuse
with one of a different specication.
• Do not place the unit in a position which restricts cooling
airow around its case.
• Do not use abrasive or solvent-based cleaning uids on the
unit’s case.
Failure to observe these precautionary measures may void your
warranty.
8 Warranty/Guarantee
1. The Exposure warranty entitles you to FREE repair of this
unit for the rst three (3) years from the date of purchase.
This covers parts and labour but excludes carriage.
2. This warranty is valid only if the unit is purchased from an
authorised Exposure dealer in your country of residence.
3. It is recommended to register the warranty using the form on
our website:
www.exposurehi.com/warranty
4. The distributor accepts no responsibility for defects arising
from accident, misuse, abuse, wear and tear, neglect
or through unauthorised adjustment and or repair or
replacement of any components, nor will they accept
responsibility for damage or loss occurred during transit to or
from the person making a claim under warranty.
5. The Exposure warranty covers:
• Parts and labour costs for three (3) years from the date
of purchase. It does not include carriage to or from the
customer
Please retain your original receipt as proof of purchase and
purchase date. The guarantee is extended only to the
original purchaser and is not transferable.
When making claims under this warranty:
1. The unit should be suitably packed and returned to the
dealer from whom it was purchased, together with proof of
purchase or a copy of the dated sales receipt. The customer
should also include their address and daytime telephone
number as well as a description of the fault.
2. If necessary the unit should be sent carriage pre-paid by a
reputable carrier, NOT by post.
3. No responsibility is accepted for the unit whilst in transit to the
dealer or distributor, and customers are advised to insure the
unit against loss or damage whilst in transit.
4. The dealer receipt MUST be produced when making claims
against this guarantee.
5. Any tampering or alteration made to the dealer receipt or to
the serial number on the unit will invalidate the warranty.
6. The dealer or distributor shall notify the customer when the
repairs have been completed. The customer must claim
the goods within fourteen (14) days from the date of notice,
failing which, the distributor reserves the right to impose
storage charges.
7. The distributor reserves the right to dispose of the unit after
ninety (90) days from the date of notice in a manner that it
sees t and without compensation to the customer.
9 Product Disposal
Instructions
The symbol shown here and on the product means that
the product is classed as electrical or electronic waste and
should not be disposed of with other household waste at the
end of its working life.
The Waste of Electrical and Electronic Equipment (WEEE)
Directive (2002/96/EC) has been put in place to recycle
products using the best available recovery and recycling
techniques to minimise the impact on the environment, treat
any hazardous substances and avoid increasing landll.
When you have no further use for this product, please
remove any batteries and dispose of them and the product
as per your local authority’s recycling process.
For more information please contact your local authority or
the retailer where the product was purchased.
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