website design software
KZ Schematics

Konís modifications:

L100 and Porta-B preamp/percussion amplifier with Konís modifications

L100 and Porta-B power amplifier with Konís modifications

L100 and Porta-B vibrato amplifier with Konís modifications

 

Porta-B schematics:

Porta-B preamp/percussion apmlifier

Porta-B power amplifier

Porta-B vibrato amplifier