Recommendation on Distortion Analyzer

Mark245 · 18th December 2009, 10:43 PM

I am in the market for a distortion analyzer. I will probably buy one off of ebay but I wanted to get some recommendation on what to look for. I have actually never used one before but I want to spend maybe a couple of hundred dollars to play around with one and test my amplifiers. In general, is calibration an issue when buying? I am looking at the HP 331 or 334. Does anyone have experience with this one?

Thanks,

Mark

stoc005 · 18th December 2009, 11:48 PM

Buy an HP339 if you can afford it. Low distortion oscillator source and distortion analyzer. I paid 300 on ebay. Someone was selling one here for 150.00. I great deal. IMHO. Calibration? Yes, it would be nice to do but a 339 will measure down to .01% easily without it. The issue is usually residual noise.
The 331/334 is nice but what will you use for an LD oscillator??

h_a · 19th December 2009, 10:06 AM

Quote:

The issue is usually residual noise.

Oh yes, big pain for phono stages.

Have fun, Hannes

18th December 2009, 10:43 PM	#1
Mark245 diyAudio Member Join Date: May 2006	Recommendation on Distortion Analyzer I am in the market for a distortion analyzer. I will probably buy one off of ebay but I wanted to get some recommendation on what to look for. I have actually never used one before but I want to spend maybe a couple of hundred dollars to play around with one and test my amplifiers. In general, is calibration an issue when buying? I am looking at the HP 331 or 334. Does anyone have experience with this one? Thanks, Mark

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18th December 2009, 11:48 PM	#2
stoc005 diyAudio Member Join Date: Feb 2007 Location: Midwest in the USA	Buy an HP339 if you can afford it. Low distortion oscillator source and distortion analyzer. I paid 300 on ebay. Someone was selling one here for 150.00. I great deal. IMHO. Calibration? Yes, it would be nice to do but a 339 will measure down to .01% easily without it. The issue is usually residual noise. The 331/334 is nice but what will you use for an LD oscillator??

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