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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: They all said 7K7 @ 250 anode and -8.5 bias posted by Mechans on August 22, 2006 at 04:16:07:
As other posters have stated, the 13D5 is a 12AU7/ECC82, just a different designation due to certain criteria (unkown to me) met by the Brimar factory. It and 12AU7s can be used as either a 12.6V or 6.3V heater depending on how the tube sockets are wired. With the 2 heater segments wired in parallel it is 6.3V, with the 2 heater segments wired in series it is 12.6V. Since it can be used either way, and is dependant on how the equipment tube socket is wired, you won't damage your bud's pre.twystd
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- Re: They all said 7K7 @ 250 anode and -8.5 bias - twystd 08:10:27 08/22/06 (0)
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