1963 Fender Brownface Vibroverb Amp......Rare, Valuable, and Worth Every Dime !!

Описание к видео 1963 Fender Brownface Vibroverb Amp......Rare, Valuable, and Worth Every Dime !!

In this lengthy and complex video we will thoroughly inspect, discuss, and repair an ultra-rare 1963 Fender Vibroverb Amplifier. The discussion will include a review of the very unusual circuit and a comparison of the Brownface and Blackface versions. Numerous repairs are necessary including the replacement of the incorrect output transformer, electrolytic capacitors, rectifier and output tubes, and reverb tank transducers. A detailed audio demonstration will be provided which will include both channels and various settings of the reverb and tremolo effects.

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NOTE: I have received some useful information regarding accurate dating of Fender transformers and chokes. The "125A9A" style of designation is Pre-CBS, while the "022855" designation style is Post-CBS. Use this info to correct a mistake I made in the video :) Also, please note just how unreliable tube testers are when measuring the functionality of output tubes. Like capacitors, unless tested at full operating voltage and current, the measurements are often inaccurate.

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