Mauro, I just had an 1800 with a cobra cart that was giving me the same issues. Sent the cart to pfansteil for rebuild. Sounds great now.
Regards Rick
On Tue, Nov 14, 2023 at 4:01 PM M De Simone via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
Thanks for the reply, I am feeding a signal from a W1700 test mech to my bench so I am using a Cobra cartridge. I did not hear the amplifier prior working on it as it was brought to me for repair. I am quite certain the issue would have been there before the work done.
Mauro
Sent from my iPhone
On Nov 14, 2023, at 3:22 PM, Jukebox Repairman via Jukebox-list <
jukebox-list@lists.netlojix.com> wrote:
What cartridge do you have it paired with? What did it sound like before you updated it?
On Tue, Nov 14, 2023 at 3:01 PM M De Simone via Jukebox-list < jukebox-list@lists.netlojix.com> wrote:
Good afternoon, I have recently been working on a Wurlitzer 532
amplifier
and caps have been replaced and a couple of resistors that were out of tolerance. Tubes are all tested good and verified by swapping
individually.
The amplifier puts out good volume with defined bass and treble. The issue is that there is a slight scratchy sound in the high end of
the
spectrum. If I turn the treble to the lowest setting it masks it but anywhere else I can hear it if I listen closely. Before I blame it my test setup is like to ask, could the pec1 or pec2 cause this, as I have not replaced them? Let me know what you think. Thanks, Mauro
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