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Tech Square Technical and speculative discussion of amps, cables and other topics. |
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Tech Square Technical and speculative discussion of amps, cables and other topics. |
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In Reply to: Polarity and SET Amps... posted by Todd Krieger on August 17, 2003 at 13:24:53:
Konichiwa,> Which is better
Depends
> and why-
Because some Speakers distort more on the "out" stroke while others distort more on the "in" stroke. HOWEVER, due to the magnet geometry in most Drivers (from the cheapest dreck to really expensive boutiqe drivers) it is often the "out" stroke that is a little compressed compared to the "in" stroke
> The outward speaker-cone excursion driven by the triode
> going toward saturation or by the triode going toward cutoff?From the Above, the outward stroke should be driven by the triode going to cutoff. However there is no simple "cut & dried" rule. The best methode to find the correct polarity is by keeping the system polarity the same (polarity switch on Preamp - what do you mean yous doesn't have a polarity switch?) while changing the polarity of the speaker wrt the amp. Using distortion meansurements is the scientific methode. I found that "by ear" I routinely prefer the lower distortion connection.
Sayonara
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Follow Ups
- Re: Polarity and SET Amps... - Thorsten 03:12:36 08/18/03 (16)
- Few highend preamps in my experience have invert switches nt - Norm 15:01:37 08/18/03 (15)
- While inversion can be done easily on a parafeed tube line stage - Norm 10:08:58 08/19/03 (3)
- "The best way to play this unit was to invert at the speakers." NO! - clarkjohnsen 07:45:24 08/20/03 (2)
- If you are right about 50/50 - Norm 14:03:46 08/20/03 (1)
- You can thank me and Ed both for that switch. nt - clarkjohnsen 12:40:25 08/21/03 (0)
- Re:Atma-Sphere has had polarity switch for the last 14 years... nt - Ralph 09:17:39 08/19/03 (0)
- I consider two features non-negotiable in a "High End" preamp - polarity and mono switch (nt) - Thorsten 03:51:02 08/19/03 (2)
- Agreed - and on the remote please - Metralla 22:54:58 08/19/03 (0)
- Quite right! But, bon chance! nt - clarkjohnsen 07:22:18 08/19/03 (0)
- Re: Few highend preamps in my experience have invert switches nt - Todd Krieger 22:29:04 08/18/03 (5)
- Re: Few highend preamps in my experience have invert switches nt - john curl 13:42:45 08/19/03 (4)
- Re: Few highend preamps in my experience have invert switches nt - cheap-Jack 13:04:41 08/20/03 (3)
- Re: Few highend preamps in my experience have invert switches nt - markrohr 09:46:21 08/21/03 (2)
- Re: Few highend preamps in my experience have invert switches nt - cheap-Jack 11:36:58 08/26/03 (0)
- Re: Few highend preamps in my experience have invert switches nt - cheap-Jack 13:58:32 08/25/03 (0)
- I must have two of the three then... - rp1@surfnetusa.com 21:08:07 08/18/03 (0)
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