Buchla Multi-Mode Feedback Filters Model 13700 & Vedic Scapes Dynamic Resonant Filter Set Model 4020

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Model 13700 via this auction

Update via Vedic Scapes: "This Module was not built by me but likely assembled by a customer who bought a kit version."

"Model 13700 Multi-Mode filters from the DIY Buchla module builder known as 'Vedic Scapes'. Clone of a filter design from Belgian synth manufacturer Lassence.

Bouncy, acid-y, self-resonant 24db filter on top and a rich growling 12db filter on the bottom. The bottom has a feedback knob which seems to inject sound between the two filters. Multiple attenuated audio and CV inputs on both.

This module has very solid construction and everything is in great shape.

This is the mk 1 version."


Update2: Some additional info via Vedic Scapes:

"Some of these module where sold in kits (Panel + PCB),the Lassence brand reffers only to the bottom filter electronics inside the module (its the same as the one in the now 'vintage' Lassence Ventury II) other then that there is no commercial relationship between the Lassence brand name owner and the manufacturing of the modules.

The Lassence Brand name credits the original designer.

The same filter has been used in the new 4020 module you can see here"

Model 4020 pic below.

Model 4020 via this auction, Vedic Scapes Reverb Shop

"Buchla Format Vedic Scapes Dynamic Resonant Filter Set Model 4020

For sell a new built Vedic Scapes Buchla format 'Dynamic Resonant Filter Set Model 4020' module.

New high density featured filters module ideal for compact Buchla performance systems.

This module has 3 filters in one package with three different sound flavors!
A must-have for any Buchla modular system!

1- A HM2040 (=SSM2040) LP filter
2- A SEM style 12db Multi-Mode filter
3 -A CEM3328 Based 24db LP filter

Features are:

1- A HM2040 (=SSM2040) LP filter
-------------------------------------------------
-Manual frequency and Q controls.
-3 external audio inputs with level controls.
-3 external cv inputs with level controls.
-Multi-Mode 'vari' out as audio input with level control and on/off switch.
-LP output jack.

2- A SEM style 12db Multi-Mode filter
---------------------------------------------------
-Manual frequency and Q controls.
-3 external audio inputs with level controls.
-2 external cv inputs with level controls.
-1 internal cv feedback with level control + source switch
-HP/BP/LP + Vari output on jack/banana with control knob.

3 -A CEM3328 Based 24db LP filter
------------------------------------------------
-Manual frequency and Q controls.
-Q CV Banana jack input.
-Switch to select external audio source mix bus (2040/None/13700 (= Multi-Mode)).
-Vari out from Multi-Mode as audio input with level control (shared with 2040 input))
-CV control(s) selectable via jumper at the back; all 3 cv from 2040 (a,b,c) or only b.
-LP output jack.

(on request i can isolate only cv B routed to the 3328 filter,then the 2040 uses only A/C cv inputs.

You get the pictured module,will be packed very save for shipping."