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Old 13th March 2006, 12:38 AM   #1
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Question Classe Omega preamp volume control

In the review stated that it is a R2R base volume control,which the signal only pass through 2 relays and 2 resistor per channel.Any idea how it's done???
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Old 13th March 2006, 12:44 AM   #2
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The method is basically to build a set of voltage dividers of different values. 2 resistors per step value.
Then connct the appropiate divider set into the circuit with relays.
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