new to modifying

[qclabrat]

Hello all,
new to modifying solid state amps and preamps, can someone point me in some direction to get started? I'll be working with some older Spectro Acoustic pieces I picked up a few years ago.

Thanks, Walt

 

[AndrewT]

read ESP and Decibel Dungeon.

 

[east electronics]

read also this....is written in plane ...Greek http://www.diyaudio.com/forums/solid-state/136261-vintage-amplifier-repair-upgrade-manual.html