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Amp/Preamp Asylum Looking for a new Amp or Preamp? If you're after tubes, post over here. |
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In Reply to: new power amp, or pre amp posted by damone on September 8, 2014 at 16:36:34:
Check the output level of your laptop. That amp needs 1.2V to be driven to full output, and its input impedance is > 20kΩ. It could be that your laptop audio out doesn't put out that much, or only does so into a low-impedance load.
If you can't find that out, try driving the amp from something that puts out a line-level signal, like a CD player or tuner through its RCA or XLR outputs. (Headphone output are always something of a crap shoot.)
Even though the manufacturer of your amp does not provide any meaningful power spec, they imply that the amp puts out 500W rms, though they call it "program" rather than "rms," and don't specify what distortion level that's at. To find out what it puts out, either write them, or get hold of one of their distributors, like Sweetwater. (It may be that "program" is actually rms - it's just hard to tell.)
Your speakers are spec'd to handle 275W rms. Remember that each doubling of power gives you 3dB additional SPL. So, if they are getting 100W or more, they should be within 3-4dB of their full output, which is pretty close.
WW
"Put on your high heeled sneakers. Baby, we''re goin'' out tonight.
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Follow Ups
- RE: new power amp, or pre amp - Bill Way 17:27:47 09/08/14 (0)
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