Successful amp modifications require the correct combination of changes
or additions. Some mods are simple while others are more complex. Make
sure the amp works properly before installing any new circuits or making
changes. Also, please read the Safety page on this site.
I WANT TO ADD A MASTER-VOLUME TO AN EXISTING AMP
For the best true MV >> LP-MV
The best non-MV alternative >> SL-MV
I WANT TO REWIRE AN OLD FENDER AMP TO HAVE CLEAN & LEAD CHANNELS
>> FPM + ERK
WANT SINGLE-ENDED SOUND FROM PUSH-PULL AMP
>> SEM
I WANT MY LOUD-AMP SOUND AT LOW VOLUME
Cathode-biased amp on a budget >> SB-2
Cathode-biased amp but like to tweak >> SF-2
Fixed-biased amp on a budget >> SB-1
Fixed-biased amp but like to tweak>> SF-1
I WANT TO BE ABLE TO CHECK AND SET BIAS EASILY
Fixed-biased amp with 2 power tubes >> BMK2
Fixed-biased amp with 4 power tubes and individual adjustments >> BMK4
Fixed-biased amp with 4 power tubes but just want push and pull adjusts >> BMK2
Fixed-biased amp with 6 power tubes and individual adjustments >> BMK6
Fixed-biased amp with 6 power tubes but just want push and pull adjusts >> BMK2
Fixed-biased amp with 8 power tubes and individual adjustments >> BMK8
Fixed-biased amp with 8 power tubes but just want push and pull adjusts >> BMK2
I WANT TO ADD COMPRESSION (Sag sound)
Cathode-biased amp >> SUS-2
Cathode-biased amp with Power Scaling >> SUS-2
Fixed-biased amp >> SUS-1
Fixed-biased amp with Power Scaling >> SUS-3
If you would like to build an amp project from scratch, see our "Which Project Kits Do I Need?" page.
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