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Quote from: RookieRecurve on April 09, 2024, 09:39:06 PMGreat explanation of why tubes are still so popular. Its also a great reminder that great tones from inexpensive SS stuff can be had with the right piece(s) of equipment in front of it. Sometimes I like to just plug into my fairly stock Valve Jr. and appreciate its simplicity, but other times I love playing around with different tools. Your talk about having a tube in the signal path makes a ton of sense. Thanks!
Quote from: Tassieviking on April 15, 2024, 02:49:34 PMHave a look at the last layout for the JC-120, it shows the layout of the same PCB I think.Perfect, thank you!
The JC-120 appears to be 2 lots of JC-60 amps in one box.
This is the closest I have on that amp.
Quote from: Jazz P Bass on April 15, 2024, 10:56:14 AMYour serial number indicates a manufacture date of June of 1975.Thank you for the info about the manufacture date! Seems to be the first version of the JC-60 then. I read somewhere that they started building the jc-120 and the jc-60 in 1975.
The schematics that you found are from 78 & 79.
Quote from: g1 on April 14, 2024, 02:44:32 PMThe service manuals usually go by serial number, what is it?The serial number of the amp is #430830.
Quote from: saturated on April 14, 2024, 01:45:56 PMWow nice ampThank you!
Welcome to the forum