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To our valued customer and music enthusiast, 
 
With the purchase of your 

POWER ES 

from 

ACCUSTIC ARTS

®

 you have opted for a product which 

incorporates the most modern technology to achieve excellent sound and quality. To make sure that 
you have pleasure for as long as possible with your preamplifier we kindly ask you to thoroughly read 
this instruction manual through to the end.  
 
We wish you many enjoyable hours of listening to music with your new unit. 
 
SCHUNK AUDIO ENGINEERING – The home of 

ACCUSTIC ARTS

®

 

 
 

1  POWER ES highlights 

 

 

Audiophile integrated stereo power amplifier with high output performance 

 

 

4 selected MOS-FET output transistors of highest quality 

 

 

Powerful  330 VA toroidal core transformer of premium quality for high output reserves; separate 
windings for preamp section, for power amp section and for right and left channel 

 

 

Very good smoothing thanks to more than 50.000 µF power supply capacity 

 

 

High damping factor 

 

 

Integrated  protective  circuit  switches  ascents  off  when  clipping,  HF  oscillations  or  too  high  DC 
offset occurs 

 

 

Constant low operating temperature due to generously dimensioned heat sink  

 

 

4 x unbalanced high level inputs (RCA)  

 

 

1 x unbalanced input (RCA) configured as “SURROUND-BYPASS” 

  

 

Premium  quality  relays  and  premium  quality  rotary  switch  (“Made  in  Germany”)  with  gold-plated 
silver contacts for the input selection 

 

 

Encapsulated high grade volume potentiometer  
 

 

Full metal housing for optimum shielding 

 

 

High quality phono module (MM / MC) available as option (RIAA: +/- 0.15 dB) 

 

 

ACCUSTIC ARTS

®

 POWER ES is “Handmade in Germany” 

Summary of Contents for Power ES

Page 1: ...l 330 VA toroidal core transformer of premium quality for high output reserves separate windings for preamp section for power amp section and for right and left channel Very good smoothing thanks to more than 50 000 µF power supply capacity High damping factor Integrated protective circuit switches ascents off when clipping HF oscillations or too high DC offset occurs Constant low operating temper...

Page 2: ...antee a reliable function of this unit over the long term we kindly ask you to thoroughly read this instruction manual before connecting this unit and to observe the following instructions This is also necessary for your own safety when dealing with the unit 2 Important safety instructions Read these instructions Keep these instructions Follow all instructions Do not use this appliance near water ...

Page 3: ...ergent Never use inflammable or chemically aggressive cleaning agents In the event of a defect please never attempt to repair it yourself Any tampering with the appliance by an unauthorised person will make the warranty void Please get in contact with your authorized dealer Refer all servicing to qualified service personnel Servicing is required when the appliance has been damaged in any way such ...

Page 4: ...erheating of the power amplifier and cause serious damage Therefore leave a minimum of 5 cm distance at the sides and 10 cm distance above the housing cover 5 Installation and start up Fig 1 Rear view of POWER ES without phono module Description of Fig 1 1 Mains power switch 2 FUSE Fuse holder for the main fuse plastic cap with integrated fuse 3 SPEAKER LEFT Left pair of loudspeaker output sockets...

Page 5: ...icates unit is ready for operation 13 PROTECT LED red indicates unit is in protection mode the transmission of a music signal to the connected loudspeaker is interrupted 14 VOLUME Rotary potentiometer for volume setting 5 1 Connection to mains power Only connect the POWER ES to the mains power when all the other cable connections have already been carried out Plug in the mains cable firstly in the...

Page 6: ...se a separate external phono preamplifier To connect a record player you must wire such an external phono preamplifier between the record player and the POWER ES You can activate the individual connected reproduction devices using the rotary switch 10 Please use only high quality interconnect cables This is the only way to ensure that the sound quality of the POWER ES is fully exploited Pin declar...

Page 7: ...e controlled by the surround processor WARNING You can not connect standard units like for example a CD Player to this input In the SURROUND configuration the volume of this input is not controlled this means that the incoming signal is transferred unchanged to the speaker outputs This could otherwise lead to very high volume levels and do serious harm to your connected loudspeakers The SURROUND i...

Page 8: ...lities MM MC On the rear panel of the POWER ES you will find the code switches to configure input 1 The configuration depends on your record player If your record player has a MC system please set both code switches to MC and use the MC input The input impedance for MC systems is fixed to 100 Ω If you need different input impedance please ask your dealer or distributor If your record player has a ...

Page 9: ...er cables For each channel the POWER ES has one pair of high quality loudspeaker terminals Please use only high quality loudspeaker cables This is the only way to ensure that the sound quality of the power amplifier is fully exploited Loudspeaker cables from ACCUSTIC ARTS are excellently matched to the needs of the POWER ES But naturally other high quality brand name products may also be used To c...

Page 10: ... with some other units using a cable please never forget that both units must first be switched off 5 7 Replacing damaged mains fuses If a fuse is damaged only replace the fuse with original types having the same ampere value the same voltage endurance and the same time lag Never use fuses with other ampere classes or time lag classes IMPORTANT Pull out the mains plug Always disconnect the unit fr...

Page 11: ...unt of switch on current is a heavy burden for the electrical components and so the life of the unit will be shortened by this action WARNING During a thunderstorm please completely disconnect the unit from the mains power by pulling out the mains plug 7 Looking after your equipment The POWER ES from ACCUSTIC ARTS does not require special treatment in excess of the usual care taken with high quali...

Page 12: ...do not go out approx 5 seconds after switching on the unit or light up during operation Cause 1 A fuse inside the unit is damaged Solution Pull out the mains plug carefully remove the housing cover and replace the respective fuse This replacement action should only be carried out by the authorized dealer Cause 2 Clipping due to overload of the power amplifier Solution Lower the volume by turning t...

Page 13: ...oad with 1 kHz and 10 watts Signal to noise ratio 89 dBA ref 6 325 V A weighted Damping factor 500 Power consumption 56 VA without load Dimensions 96 x 482 x 400 mm H x W x D 3 8 x 19 0 x 15 7 inches H x W x D Weight approx 11 kg 24 4 lbs 9 2 Additional specifications of POWER ES with optional phono section Inputs 3 x unbalanced high level inputs RCA 1 x unbalanced MM input 1 x unbalanced MC input...

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