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Class D Switching Power Amplifiers and Power D/A conversion |
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#5101 | |
Banned
Join Date: Dec 2011
Location: In the forest
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#5102 |
diyAudio Member
Join Date: Oct 2011
Location: Amsterdam, The Netherlands
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#5103 | |
diyAudio Member
Join Date: Oct 2011
Location: Amsterdam, The Netherlands
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#5104 |
Banned
Join Date: Dec 2011
Location: In the forest
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Ya seems that way. It would be nice if I could adjust it at home. But on the other hand it might be a good idea to run that voltage regulator anyways. Unless it has any detrimental effects on the sound quality. I read some stories about other audiophiles using the APC regulator with their delicate tube gear with very positive results.
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#5105 | |
diyAudio Member
Join Date: Aug 2002
Location: Cascais
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Quote:
Not sure what is the prescribed way to run cables carrying 600mV @450kHz so they don't radiate. Tonearm, which by design has a piece of unscreened, unshielded signal carrying wire is about a meter away. |
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#5106 | ||
diyAudio Member
Join Date: Oct 2011
Location: Amsterdam, The Netherlands
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#5107 |
diyAudio Member
Join Date: Jan 2005
Location: Saddleworth
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#5108 | |
diyAudio Member
Join Date: Aug 2002
Location: Cascais
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Thanks. All good advice but not really applicable. Staying away from anything class D seems the easier option at present. |
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#5109 |
diyAudio Member
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#5110 | |
diyAudio Member
Join Date: Jul 2010
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Certainly, I would expect tonearm wiring to be twisted. And I would pay special attention to the wires carrying the signal from the 'table to the phono pre as well, making sure that they are high quality, as short as possible, and properly shielded. I do not design phono pre-amps, but considering the high gain needed, would it not be prudent for them to be designed with an RF filter at the input? Perhaps this is one reason why so many who use low output MC cartridges prefer the sound of a step transformer as the first gain stage for vinyl playback, as the transformer itself should be an effective filter against high frequencies. I often wonder why people do not always take full advantage of the fact that phono cartridges output balanced signals; a fully balanced phono pre seems to make perfect sense to me, this approach, coupled with a transformer input, ought to be able to reject any noise pickup at all. |
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