BM 6000 (Type 2252) - constant hiss on one channel - BeoWorld Forum

BM 6000 (Type 2252) – constant hiss on one channel

This topic has 2 replies, 3 voices, and was last updated 2 years, 4 months ago by hcraig244.

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22 July 2022 at 01:10 #36272
Beopol
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Hi, I’m new here as I bought beautiful set of classic B&Os (BM 6000, BG 6006, BC 6000, BV S80) but there are some issues. There is a hiss on right channel. The hiss has the same volume (quiet but noticable “ssssssssss”) regardless of volume of the music. Did you come across this problem before on BM 6000 or other amps?

Regards,

Tad
22 July 2022 at 09:56 #36273
Die_Bogener
BRONZE Member
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Yes, it could be a broken ground connector or track on a board, broken solders.

When all sources have this problem, it is inside the (pre)-amp.

If possible and if the preamp can be disconnected: apply a different source carefully to the amp. If gone, it’s the preamp. If not, the amp.

If it is more a 50Hz humming sound: defect power source, dead caps.
22 July 2022 at 11:35 #36274
hcraig244
SILVER Member
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This could also be a noisy transistor……I have had this problem in the past.
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