This Module is currently available.
Specs are approved by the manufacturerLittle pingable gate V2
The Beepboop Passive LPG is a simple analog LOW-PASS GATE circuit based around a VTL5C vactrol. The module features an attenuator for adjusting the CV applied to the Vactrol and a switch to select the depth of the cutoff. The V2 now also includes another switch to change the decay curve.
Feed a signal into the IN jack and then control the amplitude of this signal applied to the OUT jack with the CV jack and attenuator.
The module will respond well to +5V triggers to give that classic LPG ping and ring sound or can be used like a VCA with envelope control signals.
The toggle switch has three positions which set the depth of the low pass gate resulting in different tones.
Top position = Dark
Middle position = Bright
Bottom position = DEEP Dark
A very small switch for enabling the LED behind the panel is hidden in the Vactrol symbol on the panel. When the LED is enabled the decay time becomes shorter giving you even more control of the vactrol response curve.
This new V2 version also has improved resolution of the CV attenuator which removes the “dead zone” before the LED inside the Vactrol starts to turn on.
Note the module has been designed for use with +5V signals such as standard triggers, gates and envelopes. When CV Voltages exceeding +7V are used on the CV input some audio bleed will occur.
Lovingly designed and hand soldered here at Beepboop Electronics Workshop in Bristol.
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