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How many watts do u need

Well this might help..

When useing my 700 watt galien krueger head + ampeg 8x10 at church my volume doesn't go past 10o clock gain at 9o clock.

However using their rig which is a 200 watt ampeg into an 8ohm[which means probably around 150watts] 1x15 sealed cab they usually have the volume close to max, with the gain set for the peak without distortion. Throw my 2x10 on top of that [4ohms full 200 watts] and I only need to put the master at 12o clock.

However this is all just for personal monitoring really since we have a full P.A....
 
OK, there is no magic number....you need enough clean sound to play over your drummer and be heard out front if you have no PA support...it is usually less than most people like to recommend...usually, the more you have, the beter off you are but that is not always the case.
 
A good rule of thumb is: Always have more power than you really need. Depending on your group's style, and venues you see yourself playing in now & in the near future, buy the most powerful amp you can afford.(you determine your favorite brand- I prefer Ampeg (Duh). You can always turn down when needed. You never want to be caught unprepared...
 
I make due with my SWR LA12 combo. 1x12, 65w. Yup, the one you can get at your local GC for around $249.

I play in a jazz trio that has a regular gig at a restaurant. Even when the house is packed, I only need to turn up my amp 1/4 of the way. I boost the bass a bit and cut the treble a touch.

That's all I really need right now. If I play a club, I might need a little bit more (maybe).

I have also used this amp for worship band performances. I only needed to turn up half-way; however, I did run my signal to the house too.

It's a really great amp. Very reliable.

Joe

Edit: I also used this amp in an arena with a 75 piece string orchestra for a pop arrangement with drums. The amp was turned up about 90%. Worked great.
 
I find my Ampeg B2RE (450W solid state) coupled with one 2x10 and one 1x15 cab (both Ampeg Classic SVT) is more than enough for any gig once the gain of my MXR 10 Band EQ and SansAmp RBI is factored in.

Even if I can't get a DI, I am rarely over 5/10 on the volume knob even for larger outdoor gigs.
 
The way my two rigs are configured, I can run anything from
1-10 and 250 watts, to an 810 and 2500 watts. All depends on the room and amount of people, and alot of other factors. Nice to have a flexible rig.
 
i raise you 4200 watts 2 115s and 4 210's

Well, I guess my 3400w into an 810 rig needs some updating... :D

Too much power isn't a bad thing. I got a deal on this amp which is why it's so big, but without it I would have been looking for something around 1500-2000w. Like everybody else says, it's all very subjective to so many different things and another one of them is how you EQ it. If your graphic EQ looks like a smiley face, you'll need more power (and speakers that can handle it). Mine is like a frown with the bump more to the low side (low-mid boost). Cuts thru anything including the very loud guitar player and drummer I stand inbetween. The lows eat tons of power.

OTOH, I could probably put a 210 on an angled stand pointing up at me, driven by 300w and be able to hear just fine. That wouldn't make any real difference in the band's sound since we play with a full PA. I guess the rig I use is kind of like bringing a gun to a knife fight.
 
How many watts do u need
One meeeellion watts!

one_million_dr_evil.jpg
 
Or you could go with about 350 watts and be reasonable enough to turn it down to save your hearing and the hearing of the audience.

I don't get people that play ungodly loud. I don't want to feel my music as much as hear it clearly.