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DESCRIPTION
The 2VL1 is a compact (12HP) Eurorack
format synthesizer module which
includes 2 VCOs and 1 simple LFO. The
2VL1 was designed with the idea of
providing a lot of sound out of a small
space, and for a low price. The unit is
designed to be DIY friendly by
incorporating all through hole
components, all of which are readily
available and low-cost. The 2VL1 is
configured to use a THAT Corporation
matched transistor array and tempo
resistors for the 2 exponential converters
for exceptional thermal stability
SPECS
VCO 1 outputs: Pulse, Saw, & Triangle
VCO 2 outputs: Pulse & Saw
LFO outputs: Triangle & Square
VCO1 & 2 inputs: 1 Volts/Octave*,
Pulse Width Modulation, Linear
Frequency Modulation
*VCO 2 will default to using the VCO 1 Volts/
oct input until a jack is installed into VCO 2
Volts/oct.
VCO 2 Sync: Switchable to Off, synced
from VCO 1, or externally synced*
*For best results supply a 10Vpp sawtooth or
triangle wave. Sync works best when VCO2's
frequency is higher than the master waveform
and that the sync waveform is in the C3-C5
range.
© 2019 Weston Precision Audio
SPECS, cont.
All wave outputs: 10 Volts peak-to-peak
VCO 1 range: 1Hz - 20kHz
VCO 2 range; 1Hz - 20kHz
LFO range: 20s (.05mHz) - 30Hz
Power input: +12V & -12V via standard
10 pin Eurorack connector.
Power consumption (+12V / -12V):
55mA / 52mA
Tuning error: < 4 Cents (typical from C0
to C7):
2
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