Super Reverb circuit

Posted on Feb 5, 2014

The AB763 Super Reverb is a very popularFender ampdue to the huge tone, robustness and the pure tone from the traditional blackface AB763 amp design. The AB763 design is alsoto be foundin some silverface amps between 1967 and 1969. The later silverface circuits were changed further by CBS to become cleaner, harder and thinner sounding, specially i

Super Reverb circuit
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f one compares amps at the same volume and EQ setting. If you`re into sparkling clean tones, a silverface can do the job just as well as a blackface amp. The blackfaces have more growl and a distorted, cranked tone. It is heavy to carry with the 4G—10 ³ speakers and massive iron transformers. The heightalso makes it difficult to carry, making you sweat whenhauling it between gigs. It`s a big sounding amp with a potential for being very loud and bassygiven the right (wrong)speakers. The nature of the 4G—10 ³ speaker configuration isa directionaltone with screaming treble right forwards and backwardsandunfortunately little spread. A lot of deep bass isproducedby the bigt cabinet while the important mids arefairly low, a scoopedtone. Many playersare stupid and increase the volume to compensate for the lack of spreadand mids. This will introduce evenmore bass and sharp treble. Playing the Super Reverb is not supposed to be easy Despite all thedifficultnesswith this amp there will occasionally be gigs, perhaps outdoors or at a big stage, where the amp won`t hurt anyone in a radius of 3 meters. You areallowed to turn the volumebeoynd 4 where the amp comes alive. We remember theseoccasions as our happiestmusical moments. The notes bounce offour strings and we aremusically and physically connected withthe amp just using the pick attack and guitar volume to roll back and switch between rythm and solo. Perhaps a transparent boost...

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