BASIC_COLOR_ORGAN

Published:2009/7/6 5:58:00 Author:May | From:SeekIC

Transformer T1 can be any matching transistor type in the range of 500/500 to 2500/2500 ohms. No connections from the SCR or its components are connected to ground. For safety's sake, keep the 117-V line voltage from the amplifier connections-that is the reason for using T1. To adjust, set potentiometer R1 off and adjust the amplifier volume control for a normal listening level. Then adjust the potentiometer until the lamp starts to throb in step with the beat.



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