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previous: DJ Wood Currently have a Mark IV combo, run... -- 9/16/1999 5:47 PM View Thread

Re: MB Mark IV Power Tubes

9/16/1999 8:24 PM
John StokesRe: MB Mark IV Power Tubes
You certainly can buy matched pairs of tubes by svetlana, JJ/Tesla, Sovtek, Valve Art, etc..... from several of the respected internet tube dealers at a fraction of the price you'd pay for Mesa's rebranded junk.  
You are correct in that Mesa buys tubes in bulk and matches them into a narrow range of performance values specifically for their non-adjustable bias amps.  
If you want to use other tubes, you may need to have the amp modded for an adjustable bias supply.  
Lord Valve however does sell matched sets selected for use in Mesas. You can email him, he's  
Best luck with the buzz machine.  

Doc All we have to do is measure the pl... -- 9/17/1999 4:20 PM