icon Audio Stereo 40 Mk 2 Instruction Manual Download Page 2

Page 2 

2 Final Inspection - Your Guarantee of Quality

 

 

To assure you of optimum performance and reliability, this amplifier has passed our rigorous 
final inspection and listening test by the Icon Audio team in Leicester . During which the final set 
up and adjustments were made. 
 

 

Date 

    …./…./…. 

 

Model 

    ………. 

 

Amp Serial Number  

 

………. 

 

Customer 

   …………………………… 

 

 

Check amplifier finish 

 

………. 

 

Internal wiring check  

 

………. 

 

Check Triode mode  

 

………. 

 

Run min 6 hour test  

 

………. 

 

Check inputs & tape monitor 

………. 

 

Output Valve Bias level 

 

……mv 

 

Sound 

Quality   ………. 

 

Channel 

Balance 

  ………. 

 

Valve 

Microphony 

  ………. 

 

Valve 

Seating   ………. 

 

Hum level left/right   

 

...../…..mv 

 

RF 

Test 

 

   ………. 

 

LED 

brightness 

  ………. 

 

Serial No sticker and recorded 

………. 

 

Mains voltage  

 

      110 / 240V 

 

IEC Mains Fuse 

 

 

………A 

 

Soft Start Fitted 

 

 

………. 

 

Sales 

invoice 

   ………. 

 

Bottom 

label 

   ………. 

 

Credit card receipt   

 

.……… 

 

Customer survey form 

 

.……… 

 

Bias 

meter 

   ………. 

 

Transformer Protection 

 

………. 

 

Upgrades:

  

 

HT delay fitted? 

 

 

…Y / N 

 

Output valves 

 

……....………. 

 

1

st

 Stage valve 

 

………………. 

 

Phase splitter valve  

………………. 

 

Triode conversion (ie vers only)  ………. 

 

Mains 

lead 

   ………. 

 

Interconnects   ………. 

 

 
 
Signed 

off 

by 

  ………………………. 

 

Notes: 
 
 
 
 
 
 
Please note we do not test the standard mains lead. 

Summary of Contents for Stereo 40 Mk 2

Page 1: ...ect the sound before it finally reaches your ear Whilst the amplifier is arguably the most important part of a system it is important to remember that the weakest link will always affect the final res...

Page 2: ...min 6 hour test Check inputs tape monitor Output Valve Bias level mv Sound Quality Channel Balance Valve Microphony Valve Seating Hum level left right mv RF Test LED brightness Serial No sticker and...

Page 3: ...e no sound coming from the speakers except a barely discernable gentle hum If there are any unpleasant sounds coming from the speakers switch off and refer to the Trouble Shooting section or contact I...

Page 4: ...ay be better and be cheaper to re arrange your room and use shorter cables than to spend a fortune on longer cables You can either hard wire your cable to the amplifier by baring enough cable to fit i...

Page 5: ...ways advise that any item of home electronics is switched off when not in use Burning in Although the amp should sound good within about 10 mins it can take up to an hour to sound at its best and will...

Page 6: ...alves the KT66 88s should be held by the base when removing to prevent damage numbering them with a marker from left to right as you do so in order that that may be replaced in the same position They...

Page 7: ...e unable to set the reading high enough this means the emission of the valve is low Replacing the KT66 88 Valves Important Do not attempt to change the KT66 88 without reading these notes Failure to d...

Page 8: ...for normal domestic hi fi use It is not guaranteed for commercial Public Address use or use in other situations The guarantee becomes void if the unit has been modified in any way not approved by Ico...

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