[R-390] R-390A Audio hiss

Sat, 30 Aug 2003 10:54:28 -0700

Gassy tube, noisy resistor, leaky capacitor?  Haven't noticed hiss from the
receivers here.

73 de Bill, AB6MT
[email protected]

----- Original Message -----
From: [email protected]
To: [email protected]
Sent: Saturday, August 30, 2003 8:04 AM
Subject: [R-390] R-390A Audio hiss

Having just become the proud owner of an R-390A. I
have a question to pose.  Having used an R-392 for
a while, 600 ohm audio/xfmr to 8 ohm Heath SB-600
spkr with excellent audio(using minimal RF gain). I
find that using the same spkr/xfmr from either the
"local" or "line" outputs on the R-390, I have a very
objectionable hiss from the spkr constantly.  Can
anyone tell me what I'm doing wrong?? Joe, K0AHD

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