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May 2014

Ask Amp Man

Biasing a Bassman

February 11, 2010
Changing the tubes on a pawnshop Bassman 50 - which to get and how to bias?
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CAN YOU TURN THAT THING DOWN?

January 14, 2010
Getting great Fender Twin Reverb tone at volumes that won''t kill your ears
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Two Letters about … Well, Twins!

December 17, 2009
Two Fender Twin Reverb owners pose questions about their speakers
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Turn The Amp OFF… Or Else

November 18, 2009
When a business traveler leaves his amp on at home for a month, can Jeff save his once-glorious tone?
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Making a Supro Super

October 21, 2009
A 1948 Supro with some fuzz and speaker heat issues
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Fender Amp Bias and Impedance

September 18, 2009
Jeff answers two questions this month: tips on biasing a Fender Deluxe and matching a Bassman head to cabs with mismatched impedance
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Super-Attenuation

September 2, 2009
I have a wonderful SD45 that I love, and I have a question about using an attenuator with it. I often use a THD Hot Plate (8 ohms) between
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New Speaker Plug for an Ampeg B-15-N

August 19, 2009
An Ampeg B-15-N without a speaker plug
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Tube Amp Troubleshooting 101

July 22, 2009
Diagnosing a dead Blues Junior with universal troubleshooting tips
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Differences in Fender Concert 4x10 Amps

June 17, 2009
The differences between early Fender Concert amps
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