Tube/vave checking works!

Signature AFD Slash Amplifier

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Hellhound
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Tube/vave checking works!

Postby Hellhound » 03 Feb 2011, 16:55

I ordered a quad of Gold Lion KT66's. Quick swap, checked they were seated correctly and started the auto biasing off. A short while later there's a puurrumph sound coming through the speakers. I checked the valves and one, V4, was glowing red hot. The correct light was showing on the valve fault lights. I then swapped valves 3 and 4. Sure enough, same thing happened again but this time on V3.

I've put the original valves back in and I'm grumpily awaiting a replacement. At least I know now that the fault lights work ok, lol.
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surfnorthwest
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Re: Tube/vave checking works!

Postby surfnorthwest » 03 Feb 2011, 18:07

This is such a great option Marshall has given us. Very interested to hear your thoughts with a quad of KT66s.
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