Paramount buzz

thdewitt · 6178

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Offline thdewitt

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on: September 28, 2018, 08:08:23 AM
Hello,

I have been running my paramount for several years and they have been great.  All of the sudden I have a buzz coming from just one mono block.  It is not coming through the speakers just from the unit.  It does not follow the tubes if I move them to the other side.  Any ideas?  Thanks

Eros Telefunken EF806S and Telefunken E88CC
BeePre JJ 300B
Paramount 1.1 EH 300B
Stereomour JJ 2a3-40 and Mullard CV4024
Crack Tung Sol 5998  Mullard CV 4003
Thorens TD 160 Super (Vinyl Nirvana)
Blumenstein Orca Deluxe/Dungenus Sub
Blumenstein Mako Floorstanders Chocolate Bamboo

Offline Doc B.

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Reply #1 on: September 28, 2018, 08:38:57 AM
Try tightening the power transformer mounting screws. They may have loosened up after years of use.

Dan "Doc B." Schmalle
President For Life
Bottlehead Corp.

Deke609

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Reply #2 on: September 28, 2018, 09:45:47 AM
If tightening the mounting bolts doesn't solve the problem, this recent thread may be of interest: https://bottlehead.com/smf/index.php?topic=11085.0

A fellow Bottlehead member reports solving the problem of a buzzing transformer with silicone washers.

cheers,

Derek


Online Paul Birkeland

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Reply #3 on: September 28, 2018, 01:12:06 PM
Measure your voltages ASAP. 

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline thdewitt

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Reply #4 on: October 01, 2018, 06:13:12 AM
Quote from: Caucasian Blackplate on September 28, 2018, 01:12:06 PM
Measure your voltages ASAP.

Yikes.  Sounds Ominous.  I will look in to this today. 

Thanks everyone.  I tried tightening the mounting screws.  Unfortunately I am having some problems figuring out how to bet back under the PC board covering the bottom of the big transformer (Power). 

Tom

Eros Telefunken EF806S and Telefunken E88CC
BeePre JJ 300B
Paramount 1.1 EH 300B
Stereomour JJ 2a3-40 and Mullard CV4024
Crack Tung Sol 5998  Mullard CV 4003
Thorens TD 160 Super (Vinyl Nirvana)
Blumenstein Orca Deluxe/Dungenus Sub
Blumenstein Mako Floorstanders Chocolate Bamboo

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