![]() ![]() ![]() This new board was designed to incorporate all of the eight individual preamp and effects circuits found in the. I'll have to get back to you on the foot switch as I don't recall one nor a connection for one. A new, one piece, and in a sense, 'universal' preamp circuit board was designed by Thomas Vox lead engineer Stan Cutler to replace the two or three board preamp circuit board arrangement used in the V-13, V113, V1131 and V1132 amps. Hi ChopSauce! I know it's been awhile! Hopefully you will see the completed pilot lamp path to the 15R resistor, the 4k4 is actually a 3k3 and is part of the tremolo circuit, look closely, it's not going to ground but in series with the 25uf cap. sch file available if it could be of some use to anyone here. I should also be able to make the corresponding. Thomas Organ owned the rights to distribute Vox in the U.S., though Thomas Organ began designing and building its own VOX amplifiers, albeit of inferior quality. The rocky path that the Jennings Musical Instrument company stumbled through led to a name change to Vox Sound Ltd. At the moment, I only know of four techs in the USA that will take in a Thomas Organ Vox amp for repair, although I'm sure there are more that I just haven't heard of. The overall intention was to keep Vox amps out of dumpsters. (*) Please let me know about any possible errors and I'll update accordingly. Re: Thomas Vox repair boards work in the field. I'm still totally missing the connection to the footswitch for the tremolo. VOX VC12 TONELAB & VTX AMP CONTROLLER (2004 - 2007, 2011 - 2012) Vox VC12. The above gutshot shows a (missing on the layout) connection to the pilot light and the 15R resistor to the heater wiring.ģ. The gutshots from the "Vox Showroom" websiteĪlso suggest that the resistor is connected to the tip.Ģ. The seven tube circuit featured three ECC83. Cambridge Reverb V-3 - Introduced in 1965, the original Cambridge Reverb was an all tube amp with circuitry inspired by the JMI Vox AC-15 amplifier. I'm not sure about the 4k4 (?) resistor from the output jack tip to ground. In the two years between 1965 to 1967, Thomas Organ developed three different versions of the Cambridge Reverb. If I'm not mistaking too much(*), it should be close toġ. For the sake of completion, I finally had some time to draw a schematic from the layout.
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