icon Audio Stereo 40 MKII EL34 Скачать руководство пользователя страница 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. 

Содержание Stereo 40 MKII EL34

Страница 1: ...y take some hours before your ears attune 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...

Страница 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...

Страница 3: ...After a brief Whum sound there should be 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 t...

Страница 4: ...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 stands to...

Страница 5: ...that any item of home electronics is switched off when not in use Standby Switch This enables the valves to be fully warmed up before the application of power Raise the switch into the standby positi...

Страница 6: ...not good practice to remove the valves unnecessarily as this can strain the pins and cause tiny air leaks Service Should you suspect a problem you could return the unit to Icon Audio for a periodic se...

Страница 7: ...ve is probably faulty or out of specification If you are unable to set the reading high enough this means the emission of the valve is low Replacing the EL34 Valves Important Do not attempt to change...

Страница 8: ...teed 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 Icon Audio 9 Packing Instructions It is essential...

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