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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: Except with about 50% greater filament-current draw and significantly lower gain... posted by jeffreybehr on August 12, 2006 at 22:48:51:
unlike the ECC32 the ECC33 has higher Mu=amplification factor and Gm than ECC32.
specs : 6.3V @ 400ma Filament, Maximum ratings: Vplate=300V, Iplate=20ma, Vfil-cathode=100V, Pwatts=2.5)
Typical operation: Vplate=250V, Vgrid = -4V, Iplate=9ma, Gm=3600, Mu=35, Rplate=9.7Kohms, Rk=450 ohms
it is prefectly fine on any 6SN7 circuits and is less filament current demand than the normal 6SN7s.
and they sound a lot better than normal 6Sn7s . they have a clean musical and excellent sound staging , midrange is superb.
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Follow Ups
- Re: you may be thinking of the ECC32 . the ECC33 is not. - lovetube 02:23:50 08/13/06 (1)
- Oops, sorry. Thx for the info; maybe I'll try them. (Oh boy...NOT--ANOTHER 'N7 to try to characterize!) (NT) - jeffreybehr 10:04:06 08/13/06 (0)
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