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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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In Reply to: ZEROs - curious posted by George M on July 18, 2001 at 04:39:54:
Yes, When measuring DC offset (balance), the meter is connected across the speaker output binding posts. So the ZERO and the meter are in parallel. This means that any DC offset current is now shared between the two. Since the DC resistance of the ZERO is a low 0.3 ohms, it "steals" (bypasses) a considerable amount of the offset current from the meter. Thus the meter will still show DC offset (balance), but as a smaller value.Sorry, I don't understand your second point about a "wave form" at "idle". That seem like a contradiction of terms. Help me understand.
Paul Speltz
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Follow Ups
- Re: ZEROs - curious - Paul Speltz 11:14:55 07/18/01 (6)
- Re: ZEROs - curious - George M 15:06:24 07/18/01 (5)
- ground loop - MikeCh 15:23:35 07/18/01 (3)
- Re: ground loop - George M 17:03:19 07/18/01 (2)
- Re: ground loop - Paul Speltz 10:50:14 07/19/01 (1)
- Thanks Paul - George M 04:07:21 07/20/01 (0)
- That's with 'scope at speaker terminals - George M 15:10:29 07/18/01 (0)
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