- In contrast to the original circuit, the A-101-1 vactrols are used instead of diodes as variable resistors for frequency control - 2 LEDs provide information on the currently set frequency and resonance - Width: 16 HP / 80.9 mm - Depth: 50 mm (measured from the rear side of the front panel) - Power requirements: 30 mA ( 12 V) / -30 mA (-12 V) EUR 143.00 - See more - Buy online