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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 / 230-240V 

 

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  

………………. 

 

Capacitor grade (Audio)   

………. 

 

Mains 

lead 

   ………. 

 

Interconnects   ………. 

 

 
 
Signed 

off 

by 

  ………………………. 

 

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

Содержание Stereo 40 MK III

Страница 1: ...themselves to the new sound Your source loudspeakers and room acoustics will also affect the sound before it finally reaches your ear Some people find a small adjustment in re positioning their speake...

Страница 2: ...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 a...

Страница 3: ...rely discernable gentle hum If there are any unpleasant sounds coming from the speakers switch off and refer to the Trouble Shooting section or contact Icon Audio The 274B valve rectifier acts as a HT...

Страница 4: ...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 in the connector and twist together to avoid any spare strands touch...

Страница 5: ...left in the standby state This enables the valves to be fully warmed and ready to use the instant you put the standby switch down In the standby position the amplifier is only using about 50 of norma...

Страница 6: ...ame position They should be well packed in cardboard foam or similar and returned to Icon Audio for testing Valves are very rugged if packed properly Mains Supply This amplifier is hard wired to work...

Страница 7: ...This should normally last longer than the audio valves Replacements may be obtained from Icon Audio Alternative valves to use are GZ34 5AR4 GU5 RMS watts Do not literally exist But this figure is bas...

Страница 8: ...ng Instructions It is essential that the original box and packing be kept in good condition as this provides vital protection during transit Please do not write on box but use removable labels If retu...

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