Fender Vibroverb AB-763 Tube Amplifier (1964)

Fender  Vibroverb AB-763 Tube Amplifier (1964)
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Item # 11403
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Fender Vibroverb AB-763 Model Tube Amplifier (1964), made in Fullerton, California, black tolex covering finish.

For several decades now the 1964 Vibroverb has been a highly sought-after Fender model. This model often cited as "The Stevie Ray Vaughan amp" as he famously used one to record David Bowie's hit "Let's Dance" and kept two 1964 examples as the centerpiece of his live rig from 1984 onwards. The model was Fender's first to feature on-board Reverb, initially released as a 2x10 combo in blonde tolex covering in the early 1960's. Fender switched to a beefier sounding single 15" speaker design in mid-1963 as the new black Tolex-clad line-up was first introduced.

Running two 6L6GC, the Vibroverb puts out around 40 watts of power and was the only model in the line to combine the single 15" speaker with on-board reverb and tremolo. Some Vibroverbs featured a speaker made by CTS, while some were fitted with the pricier JBL D130F. Apart from the speaker configuration, the circuit itself is similar to the contemporaneous 4x10 Super Reverb and 2x15 Pro Reverb, except for a slightly smaller lower-rated output transformer that gives the Vibroverb its very musical compression and sweeter break-up at less-than-deafening volume settings.
Height is 20 in. (50.8 cm.), 25 1/8 in. (63.8 cm.) width, and 10 1/2 in. (26.7 cm.) in depth at deepest point.

This amp was assembled in May of 1964, as indicated by the tube chart code "NE". Externally, it is well-preserved for being nearly 60 years old. The black tolex covering only shows minor signs of wear and the grille cloth is in great shape, save for a small puncture around the middle. The faceplate is free of any major scratches and the chrome-plated hardware is clean and only showing minor signs of corrosion. The cabinet retains the original tilt-back legs and the original reverb and tremolo footswitch is also included.

Electrically, this Vibroverb is all original. The 15" JBL D130F speaker bears the serial number 19711 and appears original to the amp. The power, choke, output and reverb transformers are all original to the amp and bear the codes 606-414, 606-415, 606-409 and 606-408, dating them to the 14th, 15th, 9th and 8th week of 1964, respectively. The pots all date between the 50th week of '63 and 10th week of '64. The amp has received our routine maintenance including replacement of all electrolytic capacitors as well as a new grounded 3-prong power cord, cleaning of all sockets, pots and jacks and biased to spec.

It sounds great, as one would expect; for the full SRV vibe just bring your Strat and Hat! Excellent - Condition.