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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: RE: Will a 6N1P work instead of a 6N1? posted by umn on August 26, 2009 at 08:59:49:
One of my pet peeves is people claiming the 6N1P being a substitute for the 6DJ8/6922 family. That is not true, the hotter heater of the 6N1P will effect the electron emission, and the higher plate resistance really changes things. A power supply that is optimized for a 6DJ8 will not supply the optimal voltage to the plate of the 6N1P, not to mention cathode resistor, and plate load changes as well. If you look at the tube curves and draw load lines you will see how different they are.
Yeah, the 6N1P has the same pinout and mu as the 6DJ8, but that's about it. Often people will report that a 6N1P will sound better than a 6DJ8 when dropped into a circuit optimized for the 6DJ8. However, the 6N1P would sound even better if the equipment was optimized for a 6N1P.
BTW those 70's vintage ev version Voskhod/Kaluga (rocket logo) tubes sound great. I collect a lot of these tubes, and run them in my DIY 6N1P-EV parafeed line stage. I've rolled a lot of vintages and factories, and those sound "technicolor". Try what I'm suggesting, I really don't think you'll be sorry. Email and confirm that these are 1970s Voskhod manufacture, and are the EV versions (important).
twystd
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- RE: Will a 6N1P work instead of a 6N1? - twystd 16:02:41 08/26/09 (0)
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