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#1
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Connecting Pin 1 to chassis
Hi
Is there any disadvantage when connecting Pin 1 over a 10 nF-cap to the chassis instead of a "direct solution"? I think the advantage would be to eliminate a NF-groundloop while still having good RFI-protection. But there are some companies (ie Rane or Cadac) that do not recommend it in their white papers, but they do not mention why. I'm talking about inputs to a poweramp for live use, not outputs or mic-cables. Thanks Samuel |
#2
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Connecting Pin 1 to chassis
Is there any disadvantage when connecting Pin 1 over a 10 nF-cap to
the chassis instead of a "direct solution"? I think the advantage would be to eliminate a NF-groundloop while still having good RFI-protection. But there are some companies (ie Rane or Cadac) that do not recommend it in their white papers, but they do not mention why. Not entirely sure. Not sure about? Samuel |
#3
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Connecting Pin 1 to chassis
Pooh Bear wrote in message ...
On my later amplifier designs we offered a Pin 1 lift to solve groundloop problems with unbalanced sources. Shouldn't normally be a problem with balanced unless there's a *big* loop. Even when lifted there was 100n in parallel with 10k to chassis IIRC. exactly, this is often cause of this solution if the ground is poor designed, some problems with the groundloop could appear... |
#4
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Connecting Pin 1 to chassis
Pooh Bear wrote in message ...
On my later amplifier designs we offered a Pin 1 lift to solve groundloop problems with unbalanced sources. Shouldn't normally be a problem with balanced unless there's a *big* loop. Even when lifted there was 100n in parallel with 10k to chassis IIRC. exactly, this is often cause of this solution if the ground is poor designed, some problems with the groundloop could appear... |
#6
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Connecting Pin 1 to chassis
What's a "NF-groundloop" (NeFarious???) and how is it different
from an ordinary groundloop? Sorry, that was german. NF means not HF (high freq.) - below some 100 kHz. Samuel |
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