CHAMP ELECTRONICS -" THE VINTAGE VALVE AMP HOSPITAL"

NOTTINGHAM, ENGLAND

 

THE CONVERSION OF EL503 TUBE AMPLIFIERS TO USE THE EL36/6CM5/EL360 FAMILY OF TUBES

 

SCHEMATIC DRAWINGS KINDLY RE-DRAWN BY REINHOLD IN GERMANY)

 

 

1. MODIFICATIONS REQUIRED FOR TWO OUTPUT TUBES:

 

 

 

 

2. AS ABOVE, BUT SHOWING WHAT IS REQUIRED FOR FOUR TUBES:

 

 

 

 

3: SCHEMATIC FOR THE ORIGINAL GELOSO G1/1110-A AMPLIFIER, BUT SHOWING THE FULL MODIFICATIONS REQUIRED TO CONVERT IT TO EL36 OUTPUT TUBES:

 

 

 

4. SCHEMATIC MODIFICATIONS SHOWING IMPROVED SMOOTHING. (COMPLIMENTS OF REINHOLD IN GERMANY)

 

 

 

 


 

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