REPAIR & MOD of a RARE 1966 VOX Berkeley Super Reverb Twin V8 VALVE AMP!

In this video, we'll repair what might be the CLEANEST vintage valve amp I've ever had on my bench. This is a 1966 Vox Berkeley Super Reverb, which is a rare Thomas Organ built TUBE AMP! Vox amps made by Thomas Organ in California USA are more associated with the later Solid State offerings like the Super Beatle, but this one, which was made for about one year, had EL84 output tubes was based on the valve AC-15 by JMI in Britain. It is the brother to the Cambridge, which was the combo version of this amp head. We will track down some issues with the amp, including possible live high voltage on the input and a broken Gibbs reverb tank. We'll also look at one fast, EASY MOD which will give the player an option of having a stock circuit or a GAIN BOOST! I'll show exactly where to place the mod by walking it through with a schematic. At the end of the video, we'll demonstrate is with my new Zio Brad Linzy Signature Model Meteorite!
https://www.zioguitars.com/shop/brad-linzy-the-guitologist-signature-meteorite
Also special thanks to VoxShowroom.com and Duncan's Tone Stack Calculator!
https://www.duncanamps.com/tsc/

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♠STUFF I USE
-Mustool Handheld Oscilloscope: https://usa.banggood.com/custlink/DKD...
-Acetool Digital Calipers: https://amzn.to/3RlhO6Z
-Stripmaster Wire Strippers: https://amzn.to/3QUYfSY
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-Hakko 10-20 gauge Strippers: https://amzn.to/3PXEFV1
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-Wiha Screwdrivers: https://amzn.to/3RcKteR
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-Jameco Isolation Transformer: https://amzn.to/2PRv1Fa
-Fluke 87 Multi-Meter: https://amzn.to/3wD56s2
-Solder Rework Station: https://amzn.to/3PUvrZx
-Geekcreit® LCR-T4 Mega328 Transistor Tester http://bit.ly/2J9uLSA
-HT02 Handheld Infrared Thermal Camera http://bit.ly/2LXfLoD
-Geekcreit® XR2206 Function Signal Generator DIY Kit http://bit.ly/2LYBvkb
-Contact Cleaner: http://amzn.to/2FVitro
-Max Professional Cleaner and Lubricant: https://amzn.to/37R3JY8
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♠RECORDING
-Sony AX53 Camcorder https://amzn.to/3MznuYp
-Canon HF M500 Camcorder https://amzn.to/3khlV5x
-Shure Beta 87A https://amzn.to/3AO0zEL
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-sE Electronics VR1 Ribbon Mic https://amzn.to/3vkfMM8
-Tonor Q9 USB Condenser (for voiceovers) https://amzn.to/39fvmQp
♠RECOMMENDED BOOKS
-RCA TUBE MANUAL http://amzn.to/2GOBVqS
-Designing Tube Preamps for Guitar and Bass: http://amzn.to/2DK5tmt
-DESIGN AND CONSTRUCTION OF TUBE AMPLIFIERS: http://amzn.to/2HSNMne

#electronics #guitar #repair

Видео REPAIR & MOD of a RARE 1966 VOX Berkeley Super Reverb Twin V8 VALVE AMP! канала The Guitologist