Classe Omega preamp volume control

Leolabs · 13th March 2006, 12:38 AM

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???

myhrrhleine · 13th March 2006, 12:44 AM

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.

13th March 2006, 12:38 AM	#1
Leolabs diyAudio Member Join Date: Dec 2004 Location: Bukit Mertajam	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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13th March 2006, 12:44 AM	#2
myhrrhleine diyAudio Member Join Date: Jan 2006 Location: Avalon Island	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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