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Post by paisleytele on Feb 17, 2009 18:25:55 GMT -7
i was wondering if i could do the half power thing and pull 2 power tubes in the stangray. will it still work.
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Post by brad737 on Feb 17, 2009 18:37:58 GMT -7
The old Marshall technique is to pull the outside tubes, and use the jack for half of the speaker impedance. For example, the tubes would be XOOX. If you're using a 16 ohm cabinet, plug into the 8 ohm jack. If you're using an 8 ohm cabinet, plug into the 4 ohm jack. Something to consider is that if you play the amp as halfpowered very long at all, your tubes won't be "matched" if you decide to use all four again.
One word of caution though. I haven't looked at my Stingrays' actual signal flow. I'm not sure if the outside tubes are the ones to pull using the old Marshall technique.
I'm sure you've considered it, but you can buy a nice attenuator for not a lot of cash.
Good Luck, Brad
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Post by smolder on Feb 17, 2009 19:42:18 GMT -7
All depends upon how the circuit is wired. If they are set up in pairs it might work... but in my old peavey the two pairs were run in series... so it did not work to pull two.
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Post by Phil (aka Phil) on Feb 18, 2009 5:26:57 GMT -7
i was wondering if i could do the half power thing and pull 2 power tubes in the stangray. will it still work. No you cannot do this on the Stangray. The Stangray is a cathode biased amp which is a much different animal than the fixed bias amps like Fender Twin Reverbs and Marshalls where you could use this technique.
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