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New OCTOLFO, Multipass, & Resonator Eurorack Modules From Tiptop Audio

Also see Buchla & Tiptop Audio 248t and 230t Incoming for new details. As always, check with dealers on the right for availability.

Details on the OCTOLFO, Multipass, & Resonator follow.

OCTOLFO – Eight-Voice Voltage-Controlled LFOs

For all Eurorack users, here comes your mega LFO. And for those of you who have already joined us on our journey into polyphonic patching heaven, this is the one you've been waiting for. The Octolfo consists of eight fully independent LFOs with plenty of controls, lots of waveforms, and the ability to load your own waveshapes. Clock-sync it or let it free-run. Use one-shot cycles of waveforms to create unique envelopes, and reset LFO cycles from your notes. All eight LFOs are available simultaneously on regular jacks and Polytip jacks—both outputs and CV control inputs. CV is mappable to parameters, and the entire setup can be saved as a “preset.” This module brings polyphonic modulation into our new world of polyphonic patching.

Multipass – Eight-Voice Multimode Filter

Please welcome the second filter in our polyphonic series: the Multipass. This one carefully recreates the rare OB-X filter design (not the later CEM-based OB-Xa), delivering the sound of the ’80s and early techno.

It features extended signal levels on inputs and outputs for an even broader tone range. LP, BP, and HP modes are poly-voltage controlled and simultaneously available per voice through Polytip, and via a mixed output jack. Each filter mode has manual gain control via dedicated faders. Frequency control is polyphonic and can be over-modulated by a mono signal with adjustable scaling. With all its poly mod inputs, this filter goes far beyond its classic roots.

Where and how much?

The first batch is ready, and we expect to begin shipping to shops soon. Price will be in the $500–$600 range.

Resonator

An extended design based on the analog resonator from the 1975 Polymoog synthesizer. This classic beauty works with everything from drums to polyphonic audio, adding lush resonating swirls.

There are three resonators, each with a selectable band. Each has voltage control for every parameter, nine CV inputs in total. Multiple gain stages (master input, resonator gain, and mix output) allow fine control and help manage clipping. Emphasis CV range boundaries prevent runaway self-oscillation. A true-bypass switch makes it easy to compare processed and dry signals—perfect for leaving it patched in and engaging only when needed.

Where and how much?

The first batch is ready, and we expect to start shipping soon. Price will be about $245.

Yamaha Montage M OS 3.0 Announced! All the New Features

video upload by Scott's Synth Stuff

"Yamaha has announced OS version 3.0 for the Montage M series synthesizers. I go over all the new features, including TWO HUGE new additions that have been requested for years!"

0:00 Intro
0:20 When Is It Out?
0:51 Clav D6 Samples
1:17 GS-1 Tremolo/Ensemble Effect
2:25 CS-80 Ring Modulation
3:37 Mid/Side EQ/Compression
4:57 New Scene Functionality
6:31 Effects Quick Edit
7:18 Part LFO Destinations
7:52 ESP DAW Remote
8:31 SSS Time Limit
10:58 Expanded Libraries
11:44 Ribbon View
11:58 Global Microtuning
12:09 USB MIDI Devices
12:49 Live Set Editor/Functionality
14:16 Pattern Sequencer

Kurzweil: K2061 - SUPERBOOTH 2025

video upload by Bonedo Synthesizers

"Thanks to our sponsors: ESI, Kurzweil & FreqPort

ESI
With the new Xsynth, ESI presents its first synthesizer that combines virtual-analog synthesis with up to ten voices, a 24-bit/96 kHz audio interface and a full MIDI interface in an ultra-slim, portable housing.

Freqport
Changing the future of audio setup & recording. The FreqlnOut FO1 is a revolutionary device that combines analog tone with digital convenience by transforming your outboard gear into plugins.

Kurzweil
Explore the new K2061 and K2088 from Kurzweil’s K20 series! Both models feature the powerful V.A.S.T. Engine, FlashPlay® technology, a 6-Operator FM Engine, and 256-voice polyphony."

Groove Synthesis: 3rd Wave 8M - SUPERBOOTH2025

video upload by Bonedo Synthesizers

"The most accessible way to the 3rd Wave sound

You’ve discovered the synth industry’s best-kept secret: the 3rd Wave 8M — bringing Groove Synthesis’ award-winning wavetable technology to more studios, stages, and creative spaces than ever before. This isn’t a watered-down version. This is 8 voices and 2 parts of pure, uncompromised 3rd Wave DNA in a more accessible, compact package. Same premium sound engine. Same analog filters. Same innovative synthesis. Just more accessible to more producers and musicians.

ACCESS ALL AREAS

The performance-oriented control set featuring a generous 7” display with six encoders gives you the confidence to create the sounds you’ve always envisioned.

COMPLETE SYNTHESIS TOOLKIT

Choose from wavetable synthesis, analog-style synthesis, FM, and sampling for each of the three oscillators to create rich and expansive soundscapes.

• 8 Voices of full 3rd Wave sound engine with complete patch compatibility
• Bi-timbral operation with two independent parts
• Premium analog filters and output stages—identical to our flagship models
• Multiple synthesis types: wavetable, analog-style, FM, and sampling
• Streamlined interface with larger, more intuitive display
• Compact desktop format that fits your creative space

CLASSIC LEGACY – MODERN SOUND

While the 3rd Wave has roots in the classic digital wavetable synths of the past, it takes that concept into the 21st century with a lush, expansive sound that’s a product of its expanded wavetables and warm, organic analog filters.

It boasts not only a punchy, Dave Rossum-designed 2140 analog low-pass filter with variable saturation, but a second, SEM-style state-variable filter (low-pass, high-pass, notch, and band-pass) for additional tone-sculpting. Run both filters in series for harmonically complex textures."

Update: and the press release:

ORINDA, CA – May 8, 2025 – Groove Synthesis, the innovative synthesizer company known for its award-winning 3rd Wave 24-voice advanced wavetable synthesizers, today announced the 3rd Wave 8M – a compact desktop synthesizer that brings the distinctive Groove Synthesis sound to a more accessible price point, without compromising on sound quality or core features.

Building on the success of the flagship 24-voice 3rd Wave models 24K and 24M, the new 8M features 8 voices of polyphony and bi-timbral operation in a streamlined desktop format. Priced at $1,999 USD, the 8M delivers the same premium sound quality and cutting-edge synthesis capabilities that have made Groove Synthesis a favorite among producers, composers, and performers worldwide.

"We created the 8M to bring the distinct 3rd Wave sonic character and sound design capabilities to more musicians and producers," said Bob Coover, co-founder of Groove Synthesis. "This isn't a watered-down version of our flagship 24-voice models. The signal processing chain, analog electronics, and the sound are the same as on the 24. The 8M just makes the 3rd Wave experience accessible to musicians, sound designers, and producers who don't need the full scale system.”

The 3rd Wave 8M maintains complete patch compatibility with the 24-voice 3rd Wave models, allowing users to seamlessly integrate the 8M into existing setups or upgrade to larger models in the future. The streamlined user interface focuses on performance-oriented controls while utilizing a larger, more intuitive display for deep sound design capabilities.

Key features of the 3rd Wave 8M include:

● 8-Voice Polyphony: Full 3rd Wave sound engine with 8 voices and three oscillators per voice
● Complete Synthesis Toolset: Wavetable synthesis, analog-style synthesis, FM, and sampling
● Bi-timbral: Two independent parts for layering and splitting
● Complete Patch Compatibility: Seamless integration with 24-voice 3rd Wave models
● 8 Analog Filters and Output Stage: The same premium analog filters and output circuit design as flagship 24-voice models, 24K and 24M
● Streamlined Interface: Performance-oriented, expressive control set with larger display
● Multiple Outputs: 4 balanced outputs for flexible studio integration
● Compact Design: Smaller footprint ideal for desktop or touring setups

"As a bunch of synth enthusiasts ourselves, we know that the sound is everything," said Andrew Silverman, co-founder of Groove Synthesis. "The 8M has the full DNA of our flagship models. We've carefully considered what matters most to musicians and sound designers, preserving the elements that define our sound while creating a more accessible entry point to the 3rd Wave sonic universe.”

The 3rd Wave 8M continues the Groove Synthesis tradition of combining vintage inspiration with modern capabilities. While the 3rd Wave has roots in the classic digital wavetable synths of the past, it takes that concept into the 21st century with a lush, expansive sound that’s a product of its expanded wavetables and warm, organic analog filters. The intuitive, performance-focused interface avoids menu diving for a natural control flow, preserving and adapting the vital parts of the keyboard’s controls in a compact format.