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Old 15th August 2012, 12:30 AM   #1
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Default Behringer DEQ2496 for testing amplifiers and preamps frequency response ???

Does anyone know whether the Behringer DEQ2496 would be good to measure frequency response of tube amps and preamps ?

Does it have a pink noise generator ?
How would I hook up the amp's and preamp's output to the DEQ2496 ?
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Old 15th August 2012, 01:56 AM   #2
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Well, it would work but probably isn't the best tool. Yes, it has pink noise.
You could route the amp or preamp back into the analog inputs via XLR connectors. Keep the level low enough not to clip (the DEQ can take a high level in).

Be sure to load your amp or preamp as it normally would be.
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Old 15th August 2012, 02:34 AM   #3
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Thank you

Which other tools would be best ?
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Old 15th August 2012, 03:10 AM   #4
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A sound card and some software would be best, but if you already have the DEQ - why not?

I made up a pair of banana to XLR that I've used to go from tube amp into the DEQ, the DCX and an M-Audio soundcard. Works just fine. Use pin 2 of the XLR as positive, pin 3 neg. You can tie pin 1 to amp ground or just leave it open at the banana end. Do whichever gives you the lowest noise.

Set your DEQ to pink noise and 96Khz sample rate and off you go!
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Old 15th August 2012, 04:58 AM   #5
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What would you recommend to measure distortion ?
Basically I want to be able to measure the performance (frequency response, distortion) and power output.
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