This is the early version of the dual 4 pole HPF / LPF filter with vactrols. No longer produced as to comply with ROHS. I have owned the newer version also and can give some thoughts on the differences:
This one has a much more squelchy resonance in the LPF, but when fully opened has a little bit of high end roll-off which is not there in the new revision. This version also takes audio rate modulation differently to the newer one - probably due to the slew limiting nature of the vactrol. The effect is that FM of the cutoff creates less harsh overtones than the non-vactrol version. I'd describe the sound of this module as 'Rubbery'.
Unfortunately the previous owner did not provide the box but it will be shipped with care.
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| Listed | 2 months ago |
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| Condition | Very Good (Used) Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape.Learn more |
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![Verbos Electronics Dual Four Pole [Vactrol Version] image 1](https://rvb-img.reverb.com/i/s--y7aEj7Zv--/quality=medium-low,height=800,width=800,fit=contain/83606d29-699a-43ce-8d37-c93e264deafb.jpg)
![Verbos Electronics Dual Four Pole [Vactrol Version] image 1](https://rvb-img.reverb.com/i/s--kFQ3EscO--/quality=medium-low,height=400,width=400,fit=cover,gravity=bottom/83606d29-699a-43ce-8d37-c93e264deafb.jpg)
![Verbos Electronics Dual Four Pole [Vactrol Version] image 2](https://rvb-img.reverb.com/i/s--Qw7EESbE--/quality=medium-low,height=400,width=400,fit=cover,gravity=bottom/d0fb534d-1d10-4e2c-9321-f36fb463e774.jpg)

