Bass Amplifiers

General discussion area for tube amps.

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dr. who
Posts: 481
Joined: Fri Feb 16, 2007 8:36 am

Bass Amplifiers

Post by dr. who »

I would like to inquire more about bass amplification as I would like to know what the difference between a bass and guitar amp is internally...and what are the safe frequency ranges for these amps.
Mickey_C
Posts: 102
Joined: Mon Nov 20, 2006 2:45 pm
Location: Chandler, AZ
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Re: Bass Amplifiers

Post by Mickey_C »

In a nutshell POWER. Lots more of it. You can increase the size of the coupling caps too, but not too much.

There's schematics of the SVT at Schematic Heaven. That'd be a good one to look at. That was always my favorite bass amp.

The Bassman (father of the JTM45) was designed, ironically, as a bass amp.

Pretty lousy overhead for bass, don't you think?

:wink:
dr. who
Posts: 481
Joined: Fri Feb 16, 2007 8:36 am

Re: Bass Amplifiers

Post by dr. who »

So I could take a dumble or trainwreck circuit and just add a 250w output section were the 100w is and have a bass amp if connected to bass speakers?
tubetek
Posts: 150
Joined: Wed Mar 08, 2006 8:04 pm
Location: RedRiverGorge, KY.

Re: Bass Amplifiers

Post by tubetek »

Pretty much...
The one other thing different is that usually the tone circuit capacitor values are set to be one octave lower than the guitar equivalent. Compare the Fender Blackface Bassman values between the normal and bass channel and you'll see. Hope this helps.
tubetek
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