12xxx problems

Discuss your builds of MetroAmp Kits.

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Vegard
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Location: Brumunddal, Norway

12xxx problems

Post by Vegard » Tue Mar 08, 2011 12:43 pm

Fixed.
Last edited by Vegard on Thu Mar 10, 2011 10:19 am, edited 1 time in total.
Metroamp builds : 68` 50w (x2), 69` 100w, 68` 100w 12xxx (x3), JTM45/100, JTM50(x2), 2203

robert
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Location: Bancrupt Euroland (Germany)

Re: 12xxx problems

Post by robert » Wed Mar 09, 2011 4:57 am

Hi,

measure the screen grid resistors with your DVM and also swap the power tubes for testing.

Regards

Robert

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