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Is a 20-watt amp loud enough?

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Is an Acoustic B20 Bass Amp cranked all the way with a distortion unit (Big muff pi russian/ds-1) loud enough to be heard over a small drumset, 2 guitars, and a singer? I doubt it, but I thought I'd ask the pros. ;)

By the way, it's a punk band.

:hiding:
 
It's not so much the size of the drum kit, it's how hard the dummy kits 'em.

Being that it's punk, I assume that your drummer is probably bashing pretty good and your guitards are cranked up pretty good, too. If that's the case a 20W amp of any kind will be pretty useless. You should probably be looking at something with 10-20 TIMES the watts you have now (or more!).
 
Is an Acoustic B20 Bass Amp cranked all the way with a distortion unit (Big muff pi russian/ds-1) loud enough to be heard over a small drumset, 2 guitars, and a singer? I doubt it, but I thought I'd ask the pros. ;)

By the way, it's a punk band.

:hiding:

The way watts work, 10 watts is twice as loud as 1, and 100 is twice as loud as 10. Your amp isn't huge, but it's not nothing either. The more important question is what kind of speaker cabinet it's running (for cone displacement and cabinet sensitivity). After reading this review: http://reviews.harmony-central.com/reviews/Bass+Amp/product/Acoustic/B20/10/1 I am inclined to think this will not be enough. He says that it gets farty before it uses all the power (all 20 watts), which means he's either using too much bass EQ, or the speaker is really bad and maxes out before it take 20 watts. Both are remedied by cutting the bass EQ. This may work well as a stage monitor, but for the audience you will need a PA or a bigger rig.

More reviews here: http://www.talkbass.com/reviews/showproduct.php/product/1374/cat/all
 
I briefly used a Crate practice amp at rehearsal... loud drummer, two guitars (mainly clean), keys, two vox... it was probalby 20 or 25 watts, and you had to max the volume and gain, which surprisingly sounded alright. It wasn't loud at all, but it was just enough to sit in the mix. Bear in mind this was when my stage rig was on loan to a friend who had a string of gigs. After a rehearsal or two i switched to an Ampeg BA-115 which probalby had much more wattage, and sounded far worse and got no louder, go figure.

Coincidentally, a friend of mine has an Acoustic B100 setup in his garage with a drum kit and it holds its own just fine, though i bet the Acoustic B200 does even better. I'll be honest, i like the new Acoustic stuff, or at least what I've heard.
 
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