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| Guitar Gear The place to discuss guitars, amps, effects, gear in general. |
May 10th, 2006
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Playing guitar for over a year.
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Join Date: Jan 2006
Last Online: April 17th, 2008 06:21 PM
Location: North Carolina
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power amps
what are power amps? are they different from regular amps?
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May 10th, 2006
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Playing guitar for over a year.
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Join Date: Feb 2006
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Nope. You have "pre-amps" and "power-amps". Preamps take in the low level signals and in general give you volume and tone controls. Power amps take in the signal from the preamp and drive the speakers with high voltage (and current) outputs. Most heads and combo amps have both type integrated. Although sometimes they have in's and out's that allow you access to the preamp signal and the power amp input. So I guess you could say "a regular amp has both a preamp and a power amp".
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May 10th, 2006
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Full Member
Playing guitar for over a year.
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Join Date: Mar 2006
Last Online: May 28th, 2007 11:41 AM
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a power amp is more like the type you might find driving a PA system---I saw the dead one time when they used about 100 power amps and a wall of jbl studio monitors instead of guitar amps--sounded like the biggest baddest sterio system you ever heard.Scott
Of All the Things I've Lost it's My Mind I Miss the Most
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May 10th, 2006
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Member
Playing guitar for over a year.
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Join Date: Jan 2006
Last Online: April 17th, 2008 06:21 PM
Location: North Carolina
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so is there a way if i have a lower-wattage amp, to replace the power-amp within my combo amp with a new power amp to get more wattage?
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May 10th, 2006
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Grand Member
Playing guitar for what seems like forever.
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Quote:
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Originally Posted by jasoncohen
so is there a way if i have a lower-wattage amp, to replace the power-amp within my combo amp with a new power amp to get more wattage?
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It's not really feasible. The preamp and power amp are integrated in combo amps, as well as most guitar amps. You basically would need to replace everything except the speaker and the box.
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