Meguro MAK-6571B Automatic Distortion Meter - diyAudio
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Old 25th June 2010, 07:38 AM   #1
srh is offline srh  New Zealand
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Default Meguro MAK-6571B Automatic Distortion Meter

Would anyone have a manual for this instrument that I could access?
Thanks.
Steve.
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Old 15th August 2010, 02:19 AM   #2
cliffyk is offline cliffyk  United States
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Hey, I just now ran across your post--I believe that is the same instrument that Marconi sold as their TF-2337A, Jung Jin also sold the same unit.

Here's a link to the Marconi operator/service manual on my server.
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Old 18th August 2010, 09:04 AM   #3
srh is offline srh  New Zealand
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Hi cliffyk, thanks for the link.Although the unit I have is a later version with some major differences, the method of operation is the same, so the manual has been very helpful.
Regards,
Steve.
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Old 19th August 2010, 12:36 PM   #4
cliffyk is offline cliffyk  United States
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I am curious as to the differences?

If you are looking for something less restricted (to the 400 and 1kHz frequencies) the HP 33x series distortions analyzers are robust and accurate--the 334A is the most desirable. They are sometimes available on eBay in good condition for under $200.

There is also a DA4084 analyzer made by Tek, that was a military version of the Tek AA5001.

Click the image to open in full size.

It substitutes SINAD measurement for the IM distortion measurement the AA5001 does, however this makes it less desirable to many and makes it affordable in the $200 to $250 range--it's an amazingly accurate instrument, fully automatic down to 0.0005% THD.

It uses a special enclosure/power supply so don't buy one without it--it will not work in a standard Tek TM rack.
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Old 19th September 2010, 09:23 AM   #5
srh is offline srh  New Zealand
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Hi cliffyk, sorry for the slow reply.The major differences are: extended input range, down to 0.01v fsd; filters are passive L & C; mainly opamps in the input and meter amps. I'm a bit of a collector of analysers, I have a HP 333A, a cranky HP 339A (switches), an Australian AWA F242 (auto ranging and nulling down to 0.001%) plus Heathkit and Eico examples. That TEK is tasty but freight is the killer down to here.
Regards,
Steve.
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Old 19th September 2010, 06:46 PM   #6
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What is the story with HP-339 meter?
I do not like the single ended input either.

My favorite THD analyzer is Sound Tech 1700 series and I think is the best analyzer for audio.

Art
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Old 22nd November 2012, 03:37 PM   #7
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Hello
is there still the manual of the
Meguro MAK-6571B Automatic Distortion Meter somewhere around.
would be great!
Thanx Christian
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Old 19th January 2014, 10:58 PM   #8
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Meguro MAK-6571A Automatic Distortion Meter
Would anyone have a manual for this instrument that I could access?
Thanks.
aLVIM
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Old 19th January 2014, 11:01 PM   #9
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Default Meguro MAK-6571A Automatic Distortion Meter

Would anyone have a manual for this instrument that I could access?
Thanks.
Alvim
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