video upload by DivKid
"Pas-Isel is Welsh for Low Pass, handy that when this is a Eurorack filter module.
Dwyfor Tech are a new company who have taken inspiration from what has been said to be a "forgettable" Buchla filter circuit, smashed that into a Korg MS-50 diode ring for a resonance path and masses of lovely guitar pedal style overdrive and they've made that a Eurorack filter with bags of character, and a different tone and circuit design (it's really multiple high shelf EQs).
In the video we share some of the key points in the story of what this circuit was based on and a bit about the company. You can read more about it all on my website in this interview // https://divkidvideo.com/story-time-dw...
'3 Patches with ... ' is a video series where I pull focus on just 3 things with a piece of gear, set of functions or techniques. More of these to come alongside the larger in depth demos in the future.
You can grab a DIY kit from Pas-Isel (and request and assembled one directly) here // https://reverb.com/shop/dwyfortech
*TIMING INDEX // CHAPTERS*
00:00 Hello & patch previews
00:35 What makes this filter special?
01:47 Feature run down
2:20 Raw filter sounds
03:46 Pitch relative tones & a warm fuzzy jumper
04:56 Drums NUKED! Heavy saturation & modulation injections
06:52 Creating excitement with mixed modulation"
"Pas-Isel is a four-pole lowpass filter for Eurorack modular systems, with an architecture unlike any other. Combining design elements from Buchla and Korg, this diode-based VCF uses highpass filters in op-amp negative feedback loops to generate its signature 'wooly jumper' -24dB lowpass response.
Pas-Isel is entirely realised with through-hole components for ease of assembly. This listing is for the full kit version, which includes all components necessary for you to solder together straight away at home. All our front panels are high-quality anodised CMYK prints on chunky, quality brushed aluminium sheet stock, made in the UK. We also offer a panel and PCB set, if you'd rather source your own components, in a separate listing.
8hp wide, 3U high.
Conforms to Eurorack (Doepfer A-100) standards.
33mm depth required for mounting.
Idle power consumption 25mA on both rails.
25kHz self-oscillation power consumption 45mA on both rails.
You can find the build/user manual at tinyurl.com/pasisel - We highly recommend giving it a read before buying, to make sure it's the right kit for you. I can assemble kits to order to provide you with a completed module, dependent on my free time. I charge £50 for my time and labour in this case."
