video upload by Stylophone
What is This Madness - A Synth with No Envelopes? // Stylophone CPM DS-2
video upload by Starsky Carr
"What can you do with a synth that has no envelopes? It turns out to be very therapeutic. Stylophone's latest release is the CPM DS-2 (what happened to DS-1?) - it's a drone synth which can create all sorts of interesting, ambient, dramatic, demonic, lush, chilled textures and soundscapes.
The clever bit is having everything bouncing around to a single LFO with multiple waveforms, 2 outputs, different phases etc."
0:00 WTF is a drone synth?
3:12 Intro demo
4:48 What's in the box?
5:53 Oscillators 3340 VCOs
8:42 Filters 12dB LP HP 3320
11:29 ULTRA LFO
16:03 Reverb abd Delay
19:08 Final Jam
22:01 Final Thoughts





"This cutting-edge filter unit combines the precision of a smooth analog recreation of the classic 2045 Lowpass filter with the bold, dynamic character of Stylophone’s proprietary GEN R-8 filter.
Sign up for the waiting list:
https://stylophone.com/stylophone-df-...
Come and see it at NAMM 2025
Dubbed 'Beauty and the Beast,' the DF-8 offers unparalleled flexibility. The 2045 filter delivers a silky 24 dB/octave Lowpass mode, while the GEN R-8 snarls and howls in all four modes—Lowpass, Bandpass, Highpass and Notch. Together, these filters unlock three additional combination types: Bandpass+, Band Reject+, and a wide Notch+ mode, providing an expansive palette of unique filter sounds.
Both filter channels have all eight filter types and are controlled by two full ADSR envelopes with multiple trigger modes to cater for every need. They can be triggered by a gate signal, by an audio signal threshold, by a manual trigger button and they can even auto-repeat in a loop mode acting as LFOs.
The DF-8 is so much more than a dual filter box—it’s a complete sound design tool. Equipped with two white noise sources, a Sample & Hold modulation source with adjustable slew, and a crunchy PT2399 delay with modulation, it serves as a sound source capable of everything from subtle atmospheres to all out sonic chaos.
Like all CPM units, the DF-8 is designed for portability and flexibility. It features:
• Multiple power options, including AA batteries, external PSU, or Eurorack power bus
• A built-in 2W speaker for instant listening without amplification plus stereo outputs
• Stylophone’s unique enclosure design with side ribs allow multiple CPM units to be locked together, for stability like a large modular, and for easy system expansion
Pair the CPM DF-8 with the CPM DS-2 to create the ultimate compact portable analog modular system for studio or stage use.
Features list:
2 Analog multi-mode filter channels with high resonance self-oscillation
8 Filter types per channel:
4 types of GEN R-8 (12 dB/oct) filters with LP, BP, HP and NOTCH modes
1 type of 2045 (24 dB/oct) filter with LP mode
3 combination types (12/24 dB/oct) with BP+, BR+ and NOTCH+ modes
2 ADSR envelopes with linear and exponential response
4 Envelope trigger/gate modes:
Analog CV trigger/gate signal input
Audio signal input with adjustable trigger/gate threshold
Manual trigger/gate button
Auto-repeat AR envelope loop mode
2 VCAs with envelope inverters
2 White noise sources with volume controls
3 Envelope depth attenuverters
4 Bypass switches for filters and VCAs
1 Sample & Hold modulation source with sync input and adjustable slew
1 Vintage PT2399 tape-style delay with modulation
14 Modular patch points for audio, envelopes, filters, VCAs and S&H
3-Into-1 mixer with stereo or mono output
2 Stereo outputs (line level/phones) with seperate volume controls
1 Built-in 2 Watt speaker
6 AA battery compartment
1 Eurorack power bus connector
42 HP Eurorack front panel format"
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