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Re: Hi-MD Popping Noise

Subject: Re: Hi-MD Popping Noise
From: "Greg Weddig" <>
Date: Thu, 21 Apr 2005 15:27:53 -0000
One thing that happened to me when using my DPA 4061's into my Sharp
MD recorder.  The 1/8" connector "sleeve" (the metal contact closest
to the actual cable) was grounding against the metal case of the MD
recorder causing a low level hum and allowing me to hear the 40 second
buffer dump to the disc.=20

I noticed that by pushing the connector slightly towards the back of
the unit solved the problem; bad connector right?=20
Wrong, after a soldering iron reflow session, a trip to LA to the MD
spa, Dan Dugan solved the mystery by providing me with the most
expensive piece of tape I have ever seen.  And I thank him for that!

By isolating the connector from the case, with the tape between the
case and the connector plate, the problem was solved.  So you may want
to try pulling the connector out slightly, just so that it's not
touching the case and see if that helps.  If so, apply electrical tape.

Just a thought, good luck.

--greg weddig

--- In  Curt Olson <> wrote:
> I'm still getting acquainted with my new Sony MZ-NHF800 Hi-MD recorder,
> and yesterday I stumbled across a strange problem. The machine seems to
> buffer incoming audio and then print the data to disk at approximately
> 30-second intervals (mic input, PCM mode). During every one of these
> disk-activity cycles I'm hearing three low-level pops. And yes, these
> pops are getting recorded. But it seems to happen with only one of my
> mic set-ups, a pair of Shure 183s powered by a 9-volt battery. All
> other mics, both dynamic and PIP, seem to be free of this. I have run
> this same battery-powered pair into the mic inputs of a Sony DAT
> recorder and an ancient NT-1 recorder with no ill effects.
>
> I'm totally stumped. Any thoughts?
>
> Curt Olson





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