Amp question

[lpd]

I picked up a military projector amp. Aside from changing input to 1m any ideas on circuit changes to make more guitar friendly?

Circuit schematic is on page 47 of the document.

http://www.acofs.org.au/part_5_files/JA ... %20(2).PDF

[Xander8280]

How much modding do you want to do?
What speaker is being used with this amp?

Initially I see that the photo cell input has a level control, would be cool to have that pot used for a divider between the halves of V201 (R203 in place of R207).

The tone circuit is active about those two triodes. Having a divider between those triodes would in effect limit open loop gain of the tone circuit there but, the other pole of the tone rotary switch would still be effecting the coupling cap(s) before the volume control.

The circuit looks really vibey (560kOhm on all three gain stage plates and active eq) and the tone control is probably awesome when the thing is cranked. All the coupling caps throughout are pretty small (single digit nano Farad) so the cranked tone won't get muddy but, you may want some more low end depending what speaker you're using/your style of desired distortion.

[Xander8280]

Here's that page for ease for more people to jump into this thread.