Tube DIY Asylum: Re: Latest version of my 7788/7721 LCR 600Ohm RIAA Stage by pickle Do It Yourself (DIY) paradise for tube and SET project builders.

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Posted by pickle (A ) on October 4, 2005 at 12:34:04

In Reply to: Latest version of my 7788/7721 LCR 600Ohm RIAA Stage posted by Thorsten on October 2, 2005 at 15:11:26:

Could someone explain to me why an LCR network for RIAA compensation is more desirable than a RC network. And LCR at 600 ohms. Why so low? To avoid large inductors, hum, etc.? So, why not have zero inductance and avoid the problem entirely?

There must be a good reason. LCR and 600 ohms seems to be making the a simple job (RC) into a most difficult job (LCR).

Just asking.

Bill

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