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PVA Passive Pre-Amplifier


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PVA Passive Pre-Amplifier

PVA Passive a Pre-Amplifier is very easy to build. There are very few parts and it can be easily upgraded. Both copper or silver Electra-Print PVA transformers are available. Silver transformers are particularly good with very low power, high efficiency systems. This design works particularly well when driven from op-amps, such as found in CD players. Output impedance stays constant at any position of the attenuator giving the same frequency response at any volume setting. Gain is sufficient to drive any amplifier.

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