Fender reveb tank dating

For many years it has been a relatively unknown amp.In the blackface and silverface years players wanted powerful amps, and the Pro Reverb was probably considered too weak.Summary The Pro Reverb is one of the beloved 40W 6L6 working horses.It has the same 2×12″ speaker configuration as the Twin Reverb but has a less powerful amp.Replace the 12AT7 PI tube with a 12AX7 or 12AU7 – Less clean headroom.

The amp is less powerful than both the Twin and Super Reverb and we’d place it somewehere between the Deluxe Reverb and Super Reverb.The reason is that 12AX7 tube has a voltage gain factor = 100, while 12AT7 = 60 and 12AY7 = 45.Pull out the V1 normal channel preamp tube – More preamp gain in vibrato channel We’ll start with saying that this is a mod we personally do to all dual channel blackface, silverface and reissue amps.This mod does not alter the tone significantly when amp is played clean or when only the power amp section distorts.You’ll have to increase the volume setting to achieve a similar volume as before.

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