Bubblesound Releases 141, Envelope Generator, VCA, LFO Module

Bubblesound Instruments has released their latest module, the 141. The 141 module is a combination Envelope Generator, VCA, and LFO.

The Envelope Generator [EG] is based around the Roland SH101/M-140-era transistor envelope generator, giving the 141 a “very snappy feel.”

The EG is sent to the ENV OUT and to a VCA for the velocity sensitivity section of the circuit. The VEL IN is normalized to +12V, so when there is no input, the VEL OUT is the same as the ENV OUT. But when positive voltage is applied to VEL IN, the output of VEL OUT will vary as the voltage varies. The 141 module ships set up for a 0-5V in-out for the velocity-sensitive VCA. This makes it compatible with most analog sequencers and modules from companies like Expert Sleepers. There is a 0-10V jumper setting on the back to make the 141 compatible with gear like Arturia’s Beat Step Pro and other CV sources that put out 0-10V.

The INV OUT is an inverted output of the EG with a range of 0 to -10V.

An Audio VCA is included in the 141 module and normalized to the EG using the two switches near the Audio Input. The VCA has Linear and Expo responses and the CV can either be the normal EG output or the velocity-sensitive EG.

The LFO has a range from about 10 second to a little over 200Hz. The Triangle and Square outputs are always active. The Square is normalized to the Gate IN, and when there is nothing plugged into it, the LFO loops the EG. When an external Gate is plugged in, the Sync switch can sync the LFO to the external gate or allow it to run freely.

Pricing and Availability. Bubblesound Instruments’ 141 module retails for $225 US and is available at retailers including Control Mod. More information, including technical specifications, are at the Bubblesound Instruments website.

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