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Rear Panel

 

 

 

 
 
From left to right the connectors are: 
 
Unbalanced outputs Phono / RCA left / right 
Balanced outputs XLR right / left 
Digital input Phono / RCA – Coax 1 
Digital input Phono / RCA – Coax 2 
Digital input TOSLINK

®

 / EIAJ Optical 

USB mode selector switch 
Digital input USB 
Mains fuse

 

AC Power input 
Main power switch (on/off) 
 
We recommend connecting the signal cables when the D/A Converter and all other units of the audio 
system are switched off.  
 
The D/A Converter has two types of analog audio outputs: unbalanced audio signal for RCA plugs 
(phono plugs) and true balanced audio signal for XLR plugs (pin 2 is positive phase, pin 3 is negative 
phase and pin 1 is chassis ground). 
 
We recommend using the balanced XLR outputs from the D/A Converter, as this will give the highest 
level of sound quality.

 

Summary of Contents for HD25

Page 1: ...Hegel HD25 High End D A Converter www hegel com info hegel com ...

Page 2: ...ducts are created with acoustical instruments in a concert situation as point of reference The music is reproduced exactly like the original and is limited only by the quality of the recording Our aim is to give you the best possible music experience SOUND ADVICE The Hegel HD25 High End Digital to Analog converter is easy to connect and operate and requires no prior technical knowledge However to ...

Page 3: ... the outputs will be muted NOTE When powered up the outputs will be muted and the display will flash for approximately 15 seconds This is normal and is part of the start up procedure Touch Input Selection The input selection can be changed by double tapping the front panel The touch circuitry has to calibrate to the environment Because of this the touch functionality may not work for some seconds ...

Page 4: ...lding will decrease the output volume of the HD25 18 Volume Up button Pressing and holding will increase the output volume of the HD25 Using the remote control to operate your HD25 The main buttons you will use to operate your HD25 are the buttons INPUT 16 VOL 17 and VOL 18 Input When you press the INPUT button 16 or double tap the front panel the HD25 will switch to the next source input in the f...

Page 5: ...commend that your computer is connected to the internet during the installation process We also suggest that you close all media players such as iTunes or Windows Media Player before connecting the HD25 Please do not use a longer USB cable than necessary USB Mode Setting The USB mode selector switch on the rear panel determines the mode setting of the USB audio interface Please note that the USB c...

Page 6: ...in power switch on off We recommend connecting the signal cables when the D A Converter and all other units of the audio system are switched off The D A Converter has two types of analog audio outputs unbalanced audio signal for RCA plugs phono plugs and true balanced audio signal for XLR plugs pin 2 is positive phase pin 3 is negative phase and pin 1 is chassis ground We recommend using the balan...

Page 7: ...lize The D A converter will need breaking in for about 100 hours before maximum sound quality can be experienced CLEANING Fingerprints or stains on the front panel or top cover can be removed with a cloth moistened with warm water or a mild detergent suitable for cleaning mirrors and windows TRANSPORT AND SHIPPING If you are shipping the D A Converter over a longer distance please follow these ins...

Page 8: ... that may cause severe electric shock Work performed on Hegel products by unqualified personnel can cause serious damage and personal injury Opening of the product by non authorized personnel will void the warranty The product must not be exposed to rain or moisture VOLTAGE SETTING Underneath the HD25 there is a red switch to toggle between 115V use for 100 120V and 230V mains voltage Please check...

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