They dont use any
You could just put a microphone underneath your setup and hook it up to a speaker.
When dealing with an electronic drumset you would not want to use an guitar amp because the pitch range of a drumset is to high, a bass amp would be better, and a keyboard amp would be the second best. The best option is to get a specialized amp for drums.
Marshall. Look at AC/DC live music videos on youtube and look on the stage at the amps.
Drummers use a combination of drums, cymbals, and percussion instruments to create rhythmic beats in a band.
Tegan and Sara currently use Boss guitar amps. In the past they've used Vox and Fender guitar amps. A few times they've also used a Gibson amp.
The Jonas Brothers use Marshall amps. If you watch some of their concert and music vids you can see they use marshall half stacks. Some have some pretty massive cabs.
Everyone.
They actually make drum specific amps, so that's what I would use.
10 amps
If I recall right it is Line 6. I own one and they are very good amps.
The possessive form for the plural noun drummers is drummers'.
amps equals watts divided by volts.
Guitar amps usually amplify E guitars.
Group 27, about 750 cold crank amps.Group 27, about 750 cold crank amps.