Hello and question

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Moss23
New User
Posts: 4
Joined: Thu Jun 25, 2015 6:22 am

#1 Hello and question

Post by Moss23 »

Hi all,

I am an engineer and audio and valve enthusiast in Melbourne Australia. I have built several amplifiers over the years and love the sound and look of valves. I have been asked to repair a Bill Beard BB100 that had lost one channel. It has been "got at" by someone before me and the preamp section has some wrong valves installed. From what I have found on the net it should have two ECC81 and one ECC82 per channel but there actually 5 ECC82s and only one ECC81 installed. There's no labelling on the amp itself. Can anyone help me with information about what valves should go where?

Thanks,

Moss
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