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Author Topic: Turner SR90D Microphone Element Replacement  (Read 1686 times)
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W1KSZ
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« on: May 03, 2019, 07:40:51 PM »

The old Turner Mike sounds very Bassy on my newly acquired AF-67. It's not the Transmitter, since my
D-104 with a K7DYY Pre-Amp sounds great.

Any suggestions on replacing the element in the Turner SR90D ?

73, Dick, W1KSZ
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KK4YY
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Your best isn't as good as you can be.


« Reply #1 on: May 03, 2019, 08:06:36 PM »

Hmm.

Is it the SR90D-5 high impedance (25k ohm) or the SR90D-6 low impedance (200 ohm)?


Don
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All your worries won't add a day to your life, or make the ones you have any happier.
W1KSZ
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« Reply #2 on: May 03, 2019, 08:30:28 PM »

The Mike says Hi Impedance, but the Mike Switch in the back looks like it
got switched to the Carbon Position (up).

Guess I need to re-test it.

Thanks for the lead.

73, Dick, w1KSZ
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W1KSZ
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« Reply #3 on: May 04, 2019, 05:00:43 PM »

Yep, screw loose in cockpit !!

Switch was on Carbon side. Sounds better when switched to Crystal.

But, the D-104 with the K7DYY Pre-Amp sounds a lot better.

Tnx for the replies.

73, Dick, W1KSZ
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