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Old 04-11-2009, 01:57 AM
mike80 mike80 is offline
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Location: Near Lima, Ohio
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Any way to check tubes with a multimeter?

Just to see if they're shorted? I have 6 Mesa STR420s. 4 of them came out of my Dual Rec. One of them is bad, though I didn't know it until I took the amp apart and found a burnt screen resistor.

I was thinking about trying them in my amp again, but I have no clue which one is the bad one. I don't have access to a tube tester either. Any way I could check them?
Guitars: Ibanez RG7321, Schecter C1 Classic, Epi LP, etc, etc
Mesa Boogie Stiletto Trident, Mesa Boogie Dual Rectifier 2 channel, Recto 4x12, 5150 4x12

Effects: Digitech GSP2101, Budwah, TS clone, Dynacomp clone

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Old 04-11-2009, 04:01 AM
SatelliteAmps SatelliteAmps is offline
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Not really with a multimeter. Check around for any antique radio shops, or ham radio fests in the area. There are usually guys around there with tube testers that will test them for free.
Adam Grimm
Satellite Amplifiers®
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Old 04-11-2009, 05:19 AM
mikeller mikeller is offline
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A multimeter can only test for filament continuity - however, if the tube is lighting up in the amp, than the continuity is good anyhow.

What part of Ohio are you in? There are a few antique radio clubs in Ohio and some if there members will have tube testers
EBMM Guitars - Mesa Amps
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