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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:

  

Phono 

pre-amp 

  ………. 

 

HT delay required?   

 

…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 40i Classic EL34

Page 1: ...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 results when making judgements And...

Page 2: ...our 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...

Page 3: ...thode heaters With the volume control set to minimum fully anti clockwise there should be no sound coming from the speakers except a barely discernable gentle hum If there are any unpleasant sounds co...

Page 4: ...n longer cables You can either hard wire your cable to the amplifier by baring enough cable to fit in the connector and twist together to avoid any spare strands touching anywhere else soldering the s...

Page 5: ...ssarily We would always 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 a...

Page 6: ...event 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 should be well packed in cardboard foam or similar and returned t...

Page 7: ...and damaging to the amplifier Health safety High voltages are present inside the amplifier and on exposed valve sockets when valves are removed so take suitable care It is not necessary to remove the...

Page 8: ...her situations The guarantee becomes void if the unit has been modified in any way not approved by Icon Audio 9 Packing Instructions It is essential that the original box and packing be kept in good c...

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