Features; Controls - Van Daal Electronics Number One Compact Phasing X User Manual

Original Schulte schematic:

Features.

Mains PSU that will convert the mains voltage to +/-15VDC.
8pole phasing circuit with LM741 opamps, 2x 7V 100mA light bulbs, 8x LDR-s that are mounted
around the bulbs, 4 per bulb.
Internal triangle LFO with added offset. With maximum swing close to +15V.
Mono in, 2 channel out (pseudo stero with phase control).
Relay truebypass controlled with red illuminated button.

Controls.

Red illuminated bypass switch. Truebypass with relay.
Modulation (pseudo stereo phase control).
Feedback. Originally the feedback signal was taken from the second pole of the 8pole filter.
Oscillator period/speed.
Phasing Amplitude.