Grammatico GSG100 authentic Dumble Overdrive Special clone with vintage Fender 65 Twin transformers

Up for sale is a very special and unique Grammatico GSG100 amplifier made with vintage Schumacher paper wound power transformer, output transformer and choke from a 1965 Fender Twin Reverb. The preamp and power tubes are all vintage USA made GE (General Electric) The filter caps are all made in USA Mallory. The resistors are a mix of vintage carbon film Piher, Iskra, Draloric and Riken. The metal film resistors are a mix of vintage IRC, Vishay, Philips and military spec and modern audiphile grade. The pots are all CTS and vintage Allen Bradley. According to Robben Ford's guitar tech in a side by side comparison this amp goes head to head with Robben's #102 Dumble amplifier (see pics) Also included is a YouTube link of a cell phone video of the amp in use at 3rd and Lindsley plugged into Robben Ford's Hermida 2x12" cabinet with G12-65 speakers. 

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