Left speaker channel - beomaster 1001

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Heinwil1 Posted: Sat, Jul 10 2021 7:59 PM

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Hi All,

I have a beomaster 1001, but the left channel is very distorted. any ideas on what can cause this. i have swapped speakers to ensure the speakers i am using are good.. same porblem left channel still very distorted.

any help will be appreciated,

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matador43 replied on Sun, Jul 11 2021 10:16 AM

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Hi Heinwil1,

Got the same issue which ended up in a silent channel.

I checked the volume slider after an advice from from one of this forum specialist. he was fine.

Next advice was full recap and it's now pending.

Maybe you'll be luckier.

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Heinwil1 replied on Wed, Jul 14 2021 1:04 PM

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thanks, hopefully not but will keep you posted

Regards

Hein

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Dillen replied on Wed, Jul 14 2021 1:37 PM

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It's 45+ years old.
It will definitely need a recap.

The distortion could come from bad capacitors, but could also be a bad output stage transistor or something else.

Connect a signal generator to the Tape input and send in a 1KHz sine.
Put a scope to the input signal to the amplifier and see, if the output stage is fed a clean or a distorted signal.
If the input is clean the fault is in the output stage.

Martin