Sunn Musical Equipment > Q & A

1974 190L - need schematic

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Bruce Clement:
There doesn't seem to be a lot of info on this model. I'd like to check a few things (bias, voltages, verify correctness, etc.). The only schematic I found is a PDF labeled "sentura II schematic," dated June 1, 1967 and has two schematics. The one with tremolo and reverb (like my amp) is labled "190L - Sentura II Sceptre Solarus 100S." Some things on that schematic don't match, so I'd like to find the correct one, for 1974.

Thanks!

(EDIT: This schematic I found is on the Fender Sunn Support page: https://support.fender.com/hc/en-us/articles/115002389226-SUNN-Schematics).

Soundmasterg:
I might have a copy of that schematic at home. I'll check later tonight after work and let you know.

Greg

loudthud:
For some reason the search engine in the "Hello Username" frame can't find "190L". The SEARCH button above will find it however.

Look in this thread:   https://forum.sunnstillshines.online/sdp/index.php/topic,4772.0.html

Hopefully the attachments aren't corrupt.

Bruce Clement:
Awesome, thank you!

Soundmasterg:
Thanks for directing him to where he could find the schematic Loudthud. I had a 190B schematic which was likely the earlier one that you were not looking for Bruce Clement.

Greg

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