Gibson Rotary tone control

[Jonas]

Does anyone know which Gibson model had the passive rotary tone switch? The one without the inductors / choke......

I cannot seem to find it.

[sluckey]

There are 266 schematics PLUS the Gibson Master Service Manual in Hoffman's schematic library. Take a look.

[scstill]

interesting design did not know it existed until now (30sec search on google :-)
Guys are also selling varitone switches on ebay and such
https://el34world.com/charts/Schematics/files/Gibson/Gibson_ga_80_varitone.pdf

[kagliostro]

Unfortunately the ga_80_varitone has a 15H inductor on the Tone Control

Franco

[Jonas]

Thanks guys! I thought there was a different tone circuit without the inductor.

[kagliostro]

Are you sure it is in a Gibson amp ?

I remember an Ampeg if I'm not wrong

Franco

[Jonas]

I'm not sure if it was a Gibson or not.... sorry for the wild goose chase!!!

[kagliostro]

Were you looking for something like this ?



Franco

[shooter]

Franco that schematic hurts my brain 
for fun, draw individual schematic circuits for each switch position   

[kagliostro]

That is in an Ampeg B15 S amp

Franco

[tdvt]

Franco that schematic hurts my brain 
 

Before I even saw your comment, I thought the same thing.. 

[shooter]

Ampeg

 
I took on a super echo twin, I'm sure the draftsman was smokin in the boys room.  found a redraw so well done it brought tears to my happy eyes

[Jonas]

Thank you kagliostro that is not the one I was thinking of but a good one to try indeed. Will need to draw it out first.......... good exercise for my squirrel brain