Ult-Sound DS-4M ProMuzer. User manual. Part 1. Basic principles of operation

video upload by Korablove Roman

"First part of the manual of Ult-Sound DS-4M ProMuzer by Yebisu303"

Eurorack Modular - Post Rearrangement Test May 6 2025

video upload by John L Rice

"Testing the lid of my briefcase Eurorack synth after recent changes. The following brands and modules are used:

Five12 Vector sequencer
Synth Tech E352 VCO and E440 VCF
Bubblesound VCA4p
Erica Synths Black Octasource LFO
CalSynth uPeaks for EGs (clone of Mutable Instruments Peaks)
Tiptop Audio Z5000 for delay and reverb
Circuit Abbey Unify mixer"

Strymon Cloudburst VST & Prophet 5 // ambient synth reverb demo

video upload by Devin Belanger

"Demo of the brand new Strymon Cloudburst VST reverb plugin with synthesizer (Sequential Prophet 5 / 10)"

Endways | Minimoog, Prophet 10, Yamaha SY77, Elektron Machinedrum IDM track

video upload by MIDERA

"Pulled the Yamaha SY77 out again and wanted to get some good use out of it, it's such a great synth. I liken it to the 'Prophet of the FM' synths. It just has such a good presence.

I also bought some lamps for my studio that I've been enjoying. Overhead lights have been annoying me for years.

Sequentix Cirklon 2
Moog Minimoog
Prophet 10
Yamaha SY77
Elektron Machinedrum MKII UW+"

Dreadbox Typhon & Boss RV-500

video upload by NatLife Sounds

"Dreadbox Typhon presets: https://natlifesounds.com/product/seq...

Boss RV-500 presets available soon."

ESK - Polyphonic Bullfrog Sampler

video upload by Metunar

"The Erica Synths Bullfrog expansion card „Sampler“ can be played polyphonic.
There are 4 LoFi sampler voices.
First I sample the internal synth with some modulations and then i play this recording polyphonic with the midi keyboard. Later I add some delay and some ringmodulation.
Direct recording with soft mastering."

http://www.metunar.ch

RECO-DRUM HORITA - DEMO

video upload by Arthur Joly

"Analog Synare Style drum Machine"

The Synido TempoPad C16 🎛️

video upload by Electronisounds Audio

0:00 intro 0:40 Overview 3:30 Using the TempoPad in a large setup

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WEBSTORE ► https://www.electronisounds.com/
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New PPG 1002 Pics

Three higher res pics in via Liquid Sky Berlin along with their press release. Be sure to see the original announcement post here for a video and additional details.

"The Legendary PPG 1002 Returns – Limited Reissue Now Available

The Liquid Sky artistcollective and Hamburg based developer Cornel Hecht proudly announce the reissue of the PPG 1002, one of the rarest and most iconic analog synthesizers in electronic music history. Originally developed by Wolfgang Palm in the late 1970s, the PPG 1002 laid the groundwork for legendary instruments like the Wave 2 and Wave 2.2.

Now rebuilt as a handcrafted, strictly limited reissue of only 102 units worldwide, the PPG 1002 is more than a synthesizer: it is a tribute to electronic innovation and a commitment to ecological responsibility. A significant part of the profits will go toward land acquisition for the Liquid Sky reforestation project in southern Portugal.

The PPG 1002 will be demonstrated live at Superbooth Berlin
→ Friday and Saturday at 14:00
→ At the Native Instruments booth"

Buchla & Tiptop Audio 248t and 230t Incoming

via Tiptop Audio

Multiple Arbitrary Function Generator Model 248t

Status: TBA
Price: TBA

Update:

248 Boommm!

Yes yes, the MARF is here and alive! At Superbooth, we’re showing the first prototype, and it’s already 80% functional. What a monster. The range of possibilities here is truly outstanding. This thing can literally mutate based on how it’s programmed. It’s wild and often unpredictable. Is it a sequencer? A curve generator? For notes or modulation?

Well, it’s a function generator, an arbitrary one at that, and in practice, it’s more complex than we could’ve imagined.

We were unsure about this module. There’s no fully functional original unit we could test, and all the data comes from Don’s 22-page user manual from 1977, along with insights from Kyle Swisher and Todd Barton, who’ve been investigating this for years. Exciting times!

Where and how much?

Wish us luck—we hope to release it this winter. Pricing is expected to be in the $650–$950 range. As always, we’ll do our best to keep it affordable and give you plenty of time to save up.

Triple Envelope Follower Model 230t

Status: TBA
Price: TBA

Update:

Triple Envelope Follower Model 230t

Here’s another wonderful vintage design: three AC amplitude followers with excellent sensitivity and highly accurate CV reproduction of the incoming signal. Both sensitivity and decay time are adjustable across a wide range. The circuit is so sensitive, it can even produce output from the noise generated by rotating the sensitivity knob—pretty cool.

The pulse output can generate either a transient (trigger) or a sustained gate signal, depending on the switch setting. We’ve been using it extensively in our systems and discovering tons of creative patch ideas. Where and how much?

It’s heading into production, with the first batch expected in July 2025. Pricing will be in the $200+ range.