MATRIXSYNTH


Wednesday, November 26, 2025

JOMOX ALPHABASE ANALOGUE DRUM MACHINE MK2

Note: links to listings are affiliate links for which the site may be compensated.


via this listing

Additional Signal Sounds listings

"A pre-owned Jomox AlphaBase in very good condition. It comes with original packaging and accessories.

Manufacturer's description
The ALPHA BASE Mk II is the sucessor of the already legendary ALPHA BASE.
Graphic OLED display
Real RGB LEDs in the sequencer
More buttons: Last Step, Roll/Flam, Store Kit/Patt, Rec Para and Rec Sample
Analogue panning circuitry for the hybrid sample channels
Improved analogue engine
Noise volume is controllable in the hybrid sample channels
More samples
Headphone volume is independent from mix volume
It's true analogue. Eleven instruments, sequencer, Midi/USB/SD-Card. Samples. Sampling inputs, balanced individual outputs.
Although it may appear similar to the classics XBASE 09, 999 and 888, the ALPHA BASE has an entirely new design under the hood. We have put in the concentrated know-how of the Jomox drum machines and of our synths of the past 20 years. We have simplified some things, but also added new components or have combined them new. The outcome is the best sounding and most versatile drum machine that Jomox has ever built."

ISLA SP2400 SAMPLING DRUM MACHINE

Note: links to listings are affiliate links for which the site may be compensated.


via this listing

Additional Signal Sounds listings

"A pre-owned ISLA SP2400 in very good condition. It comes with its original packaging and accessories.

Manufacturer's description
For us, the S2400 is a passion project – to recreate the sound of one of the world’s most iconic sampling drum machines, and bring it up-to-date with modern features. The result is the very best of old school and new school technology coming together.

Brad has been obsessed with drum machines for many years – owning, repairing, restoring, modifying countless makes and models (see his HR-16 mods on youtube).

Staying true to form in both sonic characteristics and design aesthetic were the main drivers in the realisation of this project, while bringing the hardware into the 21st Century and keeping the same ‘instant gratification’ and intuitiveness of its spiritual pre-predecessor at heart."

Linn Electronics Linndrum SN 4415 w/ MIDI

Note: links to listings are affiliate links for which the site may be compensated.


via this eBay listing

Additional Tone Tweakers Listings

"Like nearly all the high end vintage analog synths we sell, this item has been METICULOUSLY disassembled, cleaned inside and out, FULLY serviced by professionals who’ve been servicing and selling vintage synths and drum machines for more than the last 3 decades, and systematically tested multiple times over a long period to ensure it’s working exactly as it should. No BS. No ebay surprises. We’re perfectionists and don’t cut corners. Although this instrument came to us in relatively good shape, we want our items to be better than the rest and invested *many* hours of tech time plus parts costs to fully overhaul this unit so it would be clean, working like new again and as reliable as possible for its next owner. This was a serious investment of time, love, and money, and was definitely worth the effort and is of course reflected in the higher than usual price. If you’re looking for a great sounding example of this model that works just like it should without needing to invest hundreds or thousands of dollars in tech fees and waiting from weeks to years, this one should make you very happy."

STAR INSTRUMENTS SYNARE 3 Drum Synthesizer SN 17401

Note: links to listings are affiliate links for which the site may be compensated.


via this eBay listing

Additional Tone Tweakers Listings

"We paid our tech for the 6.5 hours of skilled labor required to make this Synare work, feel, and sound like new again.

We replaced all potentiometers with new ones for crackle free operation.
Replaced the rubber pad
Replaced transistors 2N3904 x2
Replaced electrolytic capacitors (8)
Cleaned unit inside and out.
Cleaned and lubed switches.
Replaced knobs with a new set.
Replaced the battery snaps.
Cleaned the jack.

In summary, we invested the time and money required to properly refurbish this unit and, as a result, it's functionally the best you’ll find anywhere, and justifiably priced higher than the rest because you won't have to make excuses for a lesser example or pay someone else to do this work and wait who knows how long. The selling commissions we are charged here are added into our prices here."

Moog Minitaur Bass Synth In Space

Note: links to listings are affiliate links for which the site may be compensated.


via this Reverb listing

Multivox FR-3s SN 953553

Note: links to listings are affiliate links for which the site may be compensated.


via this Reverb listing

Roland V Synth Soundtrack Demo


video upload by JMPSynth

"A track recorded many years ago using solely presets, custom sounds and use of the D Beam from the Roland V Synth. If you'd like the project file for the sounds used, email me at jmp701@sky.com"

Airwave plays with (almost) everything


video upload by ROLI

"When we first came up with Airwave, it was only intended to work with ROLI instruments — but you asked for wider compatibility, and we delivered. In this recently unearthed archive footage, our social media manager Omar sets out to prove the point with a conveyor belt of musical and (not-so-musical) items."

Doepfer A-111-5 Mini Synthesizer Voice


video upload by Doepfer Musikelektronik GmbH

"Making some percussions with the new A-111-5 Mini Synthesizer Voice module!"

Additional posts here. The A-111-5 was first mentioned back in 2022 here. The video above just went up today. Check with dealers on the right for price and availability.

Doepfer A-188-9 High Speed VCO - Audio Demo


video upload by Doepfer Musikelektronik GmbH

"Over the last month, we have been recording videos for our Instagram channel. Here is a compilation of some of the clips!

In the video, the A-121-S stereo filter is mainly used as an end-of-chain filter. In combination with the A-149-4 quad random voltage source, it is possible to add modulation to the stereo field.

The feedback path was often patched in the clips, for example with a bandpass filter that had high resonance. This can lead to some pretty crazy sounds, as you can hear!

Another interesting thing to try is playing really high or low notes. Some of these the BBD is unable to track, which results in some quite nice glitches.

The A-188-9 and A-188-1 BBD combo offers a wide range of sound possibilities and often produces happy accidents. It's totally worth trying!

Questions? Let us know!

Module A-188-9 is a so-called high speed VCO that tracks prefectly to the 1V/oct scale in the frequency range of about 15kHz ... 500 kHz. The main application is the exact drive of BBD modules (A-188-1/2) to generate sounds realized by means of the so-called Karplus-Strong synthesis. But even in cooperation with other modules featuring high speed inputs (e.g. digital noise, delay, frequency divider) the A-188-9 makes sense. In principle, the module is made of a precision audio VCO followed by a PLL (phase locked loop) unit that multiplies the frequency of the audio VCO by 32. Thus the module can be used also as an audio VCO as it features the standard waveforms sawtooth, triangle and rectangle with adjustable pulse width."

See the announcement post here.
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