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RE: PLLXO question related to LDR

LDR-based attenuators exhibit a variety of non-linearities and high-ish distortion levels. I think the CI attenuator you have now is a superior device.

Anyways, Neo is certainly correct. Creating a low-pass filter with high input impedance (47k) into a power amp input resistance of 22k nominal guarantees an insertion loss of at least 10db. (Probably unacceptable.)

Cheers,

Dave.

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