Oberheim OB-1 SN 0298 w/ Upgrades

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

via eBay

"This Oberheim OB-1 is great condition for a rare Vintage Synth and has a really unique sound and a self oscillating VCF. It's had a MIDI and programmer PCB upgrade increasing presets to 64 in 8 banks of 8.

It's just been fully restored and serviced By Totally Technical in Brisbane Australia ( See restoration details below) - I'm happy to share a detailed report and video's on request. It's located in Brisbane Australia if you would like to inspect and have a listen."

"Full restoration completed over the last 18 months

Programmer PCB installed
New Battery
Many capacitors, IC’s, Diodes and resistors changed
Portamento fixed - IC
Keybed all fixed
Bend all fixed – IC
Crackly pots applied Faderlube and OK.
DC Voltage on output fixed
MCU BASED PROGRAMMER UPGRADE

In July 2025 a new MCU-based programmer pcb was installed giving it functionality and patch storage not available in the original. More details below and available here

64 programs in 8 banks of 8
Programs are stored in non-volatile EEPROM. No battery needed.
After a program is loaded, only controls that have moved are "live", so patch editing is now possible.
Manual mode forces all controls to be "live".
Optional (non-volatile setting) periodic flash of current bank selection
Optional (non-volatile setting) quantization of coarse freq for oscillator 1 to octaves
Comes with 24 pre-programmed patches, which can be over-written later if you chose
Smaller pcb mounts on four of the existing standoffs, providing better access to pcb underneath
Implemented connectors are the same as original programmer for easy installation
All IC's are socketed. All components are through-hole.
20-turn trimpot for easier one-time oscillator tuning adjustment
SYNHOUSE MIDIJACK UPGRADE

In 2009 a Synhouse Midijack was installed - More detail below and here

MIDI channel selection (to select MIDI reception channel 1-16)
MIDI panic button (to silence stuck MIDI notes)
MIDI Off mode (useful for keeping unused synthesizers silent onstage or for selecting built-in / local analog keyboard control and external control via control voltage gate interface jacks, also known as CV/gate control)
MIDI On mode (normal operation)
4-note buffer (for musical trill effects and for relaxed performance with automatic error correction)
Single note triggering (for legato performance)
Multiple note triggering (for articulated performance)
MIDI transpose select mode (for deeper bass)
Analog CV calibration mode
Receives MIDI Note On messages (full range, MIDI notes 0-127)
Receives MIDI Note Off messages (full range, MIDI notes 0-127)
Receives MIDI sustain pedal (controller number 64)"

Vermona DRM / Digital Rhythm Machine

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

via this Reverb listing

"Programmable analog drum machine from East Germany, often tagged as the "east block TR-808". I think it deserves better than this comparision, since it's a very nice sounding drum machine on its own, with many features for the time (MIDI IN and OUT - sync and trigger, stereo output, optional trigger inputs and individual outputs etc)

Unit was serviced, calibrated and is in fully working order. It has the latest firmware which fix the MIDI timing issue earlier units had.

If you don't know these units check the demo I made with another unit [in the listing and previously posted here], I serviced several of those units through the years.

Cosmetic is in excellent condition with only very little wear and scuff."

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IG00151 VCA Clone for YAMAHA CS Synthesizers (CS5,CS15,CS30,CS50,CS60,CS80)

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

You can find them on Reverb and Ebay.

"The clone is fully drop-in replaceable and is able to coexist with the original vintage chips in the same synthesizer. It can function as VCA and current source for envelope controller on M-cards, or control voltages for TRG boards (and on any other board that uses that chip). It has the same control voltage cutoff point and similar non-linear control curve as the original, so all the control sliders work the same."

Additional details follow:

"The iG00151AP is a replicant of the rare IG00151 Voltage Controlled Amplifier (VCA) chip, which was used by Yamaha in their CS-series analog synthesizers and organs from the 1970s and 80s. The iG00151AP was carefully engineered from the original chip, retaining all of its characteristics and properties, including the peculiar non-linear control curve and cutoff, input and output impedances, and identical power consumption at the same gain setting. This makes the iG00151AP the only "clone" available today that is fully drop-in replaceable and is able to coexist with the original vintage chips in the same synthesizer. While the originals are getting more expensive and harder to find, the availability of the iG00151AP ensures that the CS-series analog synthesizers remain serviceable. One CS-80 synthesizer contains 210 of these chips!

INSTALLATION

To install the iG00151AP, ensure that the marked PIN 1 location on the part matches PIN 1 location on the circuit board. With the pins pointing down, PIN 1 on the original chip is on the left when facing the part number, while the iG00151AP has PIN 1 on the left when facing the component side (not the part number). Carefully orient the part properly and solder it to the circuit board. Clip excess leads as necessary.

WARNING: As with the original chip, a reverse installation will damage the part when power is applied!

CALIBRATION

After installing the part, allow the instrument to warm up and stabilize for at least 30 minutes, then recalibrate the circuit following the procedures of the original manufacturer. Similar to the original chip, the gain may vary from unit to unit. Proper calibration will ensure that the new part performs the same as the original.

As with the original chip, the iG00151AP may have a similar input offset that varies from unit to unit. This manifests itself as a control voltage (CV) feedthrough to the output. Depending on the application, it may be necessary to trim the offset, but this is usually provided in the vintage circuit, if required. No additional offset trim circuitry is necessary if it is installed in the original circuit.

The iG00151AP is compatible with Yamaha CS-80, CS-70m, CS-60, CS-50, CS-40m, CS-30, CS-20m, CS-15D, CS-15, CS-10, CS-5, and other synthesizers and organs that use the IG00151 VCA chip."

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Wolvap Metal Distortion processing synthezisers/drum machine

video upload by AVP Synth

"Wolvap Metal Distortion effects pedal is designed using analog circuitry and precision high-quality components. It can produce a wide range of powerful sounds rich in harmonics to achieve distortion with high gain. Features three EQ bands – LOW, MID, HI. The METAL DISTORTION allows you to adjust the sound of your instruments over a wide range of spectrum.

Metal Distortion processing various synthesizers. [Korg Mono/Poly, Yocto Roland TR-808 clone]

Product page: www.avpsynth.com"



Wolvap Metal Distortion
This effects pedal is designed using analog circuitry and precision high-quality components. The METAL DISTORTION can produce a wide range of powerful sounds rich in harmonics to achieve distortion with high gain. It features three powerful EQ bands – LOW, MID, HI. The METAL DISTORTION allows you to adjust the sound of your instruments over an extremely broad spectrum.

Main features:

LOW control - provides up to 15dB of cut and boost in the bass frequency range

MID control - provides up to 15dB of cut and boost in the middle frequency range

HI control - provides up to 10dB of cut and boost in the treble frequency range

Input Impedance - 1 MΩ

Output impedance - 500 Ω

Recommended Load Impedance - 10 kΩ or greater

Power Supply – DC adapter 9V (center negative)

Current draw – 50 mA

Dimensions – 160(W) x110(D) x60(H) mm

Weight – 600 g

DC adapter 9V (not included)

Echo Fix EF-X3 - Five Synth Sketches with Tape

video upload by Jay Hosking

"Please support my work on Patreon: / jayhosking
Five song sketches featuring the EF-X3 tape delay, chorus, and reverb.

00:00 - Ambient, with Take 5
02:57 - Drums, with LXR-02
05:47 - Brooding, with SH-101
07:20 - Acid, with TT-303
09:41 - Ambient, with MS-20

Fair warning: MAS Distribution sent over the EF-X3 for me, not quite for free (I had to pay some significant customs/duty/taxes from the border) but for far less than the full retail price.

Here, I explore the Echo Fix EF-X3, a real tape delay with analog chorus and spring reverb. My favourite feature of the EF-X3 is that it has discrete outputs for each of the four tape heads plus another output for chorus/reverb, which means you can get some incredibly stereo tape delay mixes with it. Here, I usually panned two heads full left/right, and two heads 50% left/right, with the dry out and chorus output slightly panned and near centre. Ages ago, I had an Akai Headrush and I always loved having such a ludicrous amount of outputs; it's exactly the same delight here.

But I have to say, using a real tape delay is unlike any digital emulation I've tried. It's less behaved and has more texture than I had expected. And while it shouldn't matter, seeing the tape running is a thrill. It's an incredible physical presence on the table, super solid and with beautiful wood on the sides.

No one needs a real tape delay, of course, just like no one needs an analog synth and no one needs hardware. But for someone who has loved those records with long, cascading tape delays, for someone who loves the physicality of hardware, I've felt incredibly lucky to have the EF-X3 up on the table.

Thanks for listening.

Recorded to a DAW as a multi-track (dry channel, chorus/reverb channel, and channels for each of the heads) and mixed afterward. No external effects on the sound. EQ, compression, and limiting on the master.

https://jayhosking.bandcamp.com"

Syntom II - DIY analog drum synth from 1980s electronics magazine

video upload by funkpirateradioscene

"Breadboarding and testing some sounds from the Syntom II - a do-it-yourself design from the April 1983 Electronics & Music Maker magazine. Other drum sounds coming from the Roland TR-606, which is also providing a trigger voltage output to trigger the Syntom.

00:00 Triggered by gate pulse from TR-606
00:35 Triggered by piezo drum pad

Images from the mu:zines magazine archive. Check out the original article and schematics https://www.muzines.co.uk/articles/sy...

Additional LFO circuit from SyntherJack https://syntherjack.net/syntom-ii/"

CG-Products XR 22VCO, Delay 1022, Peak + Hold, sound.report (Short explanation + 15 Min sounds only)

video upload by The Green Man(TGM) + sound.report by Heiner Kruse

https://www.cg-products.de/module/

XR22 VCO FT
VCO with Ring Modulation Input and FSK (Frequency Shift Keying)

Amplitude Modulation (AM) Input
Ring modulation
CV controllable sine/triangle volume
Advanced waveform generation by AM
Rgb-LED for optical control
FSK (Frequency Shift Keying)
Pulse and ramp generation
Switching between two different frequency CVs
Advanced waveform generation by FSK
LFO-, Bass-, High- Mode
Switchable Sync-Mode (from Rev.6)

The XR22 VCO FT is a VCO with amplitude modulation option – which can be used for volume control, or ring modulation of the oscillator’s sine/triangle output. The AM-input signal is added to a DC-voltage adjustable by knob ‘Gain’ (between ca. +/-5V) and the sum voltage is being internally multiplied with the sinewave/trianglewave The result is an oscillator amplitude depending on the ‘Gain’-DC plus AM-input signal. The applied AM-input signal can be mixed to the VCO output signal (modulated or unmodulated) too – a kind of ‘dry/wet’ control with the mix provided on the sine/triangle output. With no AM-input, the XR22 VCO FT behaves like a normal sinewave/triangle VCO, then its volume is controlled by knob ‘Gain’. Whereas with the knob ‘Gain’ in center position, the oscillator tone is becoming almost muted, and the input signal on ‘AM in’ controls the amplitude of the wave completely; thus the VCO can be used as a ring modulator.

The FSK (frequency shift keying) option provides two internally switchable different oscillator frequencies F1 and F2; each controllable by the two big-sized knobs (and their respective fine-tuning knobs and CV inputs). Switching between F1 and F2 can be done manually or by a logic signal (e.g. a gate signal) applied on input ‘FSK in‘. Further, it is possible to use the XR22 VCO FT‘s squarewave output for FSK switching. This will result in ramp or sawtooth (on the sine/triangle output) and pulse (on the squarewave output) waveforms. The falling and rising edges of the of the sine/triangle signal and the duty-cycle of the squarewave output are independently adjustable, and/or controllable via CVs of F1 and F2.

Furthermore, there is a switch for linking F1 to F2. In this case, the ratio between F1 and F2 is remaining the same, independently from the frequency, and ensuring properly 1V/oct. CV tracking.

A switch allowes to enable ‘sync mode’: An applied trigger will restart the wave always at the same point, useful for synced LFO applications and more.

For optical control, the XR22VCO FT has a full-color LED for AM visualization and a 2-color LED for FSK control.

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Vintage Moog 16-channel Analog Vocoder

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

via this Reverb listing

"Features:

'Program' input accepts line level or mic-level signal
Reversible rack ears for rack mounting or desktop use
16 frequency bands normaled input to output (i.e. without any patching, the input volume of a given frequency band in the "program" signal will control the output volume of that same frequency band). But input bands can be rewired to control different output bands via 1/4" patch cables (not included) on the front panel. This can be used to create "robot voice" and similar effects.
Sample & Hold
1/4" input for pedal (not included) to switch S&H on or off
Ditto to switch between the normaled patch and a custom patch
Ditto to bypass the vocoder entirely
Original circuit diagram on bottom of unit"

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Donner L1 | Three Synth Sketches

video upload by Jay Hosking

"Please support my work on Patreon: / jayhosking
Three song sketches featuring the Donner L1 synthesizer.

00:00 - Ambient
04:38 - IDM-ish
10:48 - Video game music

Fair warning: Donner sent this one along for free. The only stipulation I agreed to was to post this link so you could find out more about the synth, and they would know that you came from my video:
https://datasink.rantion-admin.com/t/zy

It's hard to overstate how much this one appeals to me. A budget analog synth that sounds remarkably like my Roland SH-101, but has a triangle wave, second envelope, velocity options, stored sequences, MIDI, a removable keyboard, and a bunch more. The SH-101 is a simple synth, but it's one of my favourite subtractive sounds, and the L1 is the best modernized version of it that I've played. It's the kind of thing I wish Roland were making in 2025, and I would have bought it even if Donner hadn't sent it to me.

Here, I explore the L1 from a few different perspectives, showing off how I'd use it in making music, how it sounds on its own, with effects, and with other instrumentation.

Everything performed and recorded live to a stereo output, with EQ, compression, and limiting on the master.

Thanks for listening.

https://jayhosking.bandcamp.com"

Schmidt Eight Voice - TRUE ANALOG 4 Oscillator per voice Discrete component Polyphonic Synthesizer

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

via this Reverb listing

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Nord Lead 3 – Full Pro Restoration + Custom Line Out Mod

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

via this Reverb listing

Pic of the inside below.

"Clavia Nord Lead 3 with Full Pro Restoration + Custom Line Out Mod. This one has been completely rebuilt. Studio-ready, sonically enhanced, and future-proofed. 1 year warranty with Invoice.

Full PSU rebuild, including replacement of X2 safety caps (RIFA issue permanently resolved)
Complete recap with high-grade parts: Panasonic FR/HD, Kemet PEGH, Nichicon MUSE, ELNA Silmic II
Unique Line Out Mod, deliberate hardware-based character shaping at the analog output stage:
• Outputs 1–2: Silmic II – warm, smooth character
• Outputs 3–4: MUSE – clean, punchy tone
Factory-original AD1865R R–2R multibit DACs and pure analog output signal path, no oversampling, no digital filtering. Fantastic transient response, vivid mid-range, deep and punchy low end.

100% working, clean condition. This is one of the very few NL3s on the market that has had its PSU, caps, and audio path completely upgraded with longevity and sound quality in mind."

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Feedback on Ursa Major Stargate 323 & Dynacord VRS 23

video upload by Valmont

"Ursa Major Stargate 323 (1983) / Dynacord Vertical Reverberation System 23 (1979) interlinked : each reverb processor feeds into the other, creating a self-generating feedback loop. The strange thing about this patch is that instead of producing a typical howling feedback (like a BBD analog delay might), the reverbs are excited by their intrinsic noise, resonating in modal patterns that lead to the formation of colorful sonic clouds - aka clusters! The Dynacord (in stereo reverb mode) introduces some self-feedback, but not enough to auto-oscillate. Its output goes through the console’s EQ and is partially routed into the Ursa Major. That reverb signal is then returned to the console, EQ’ed again, and partially sent to the VRS via a second aux send. The VRS is also routed to the master bus, which is what we're hearing here.
Tweaking the feedback levels and delay times on the VRS shapes the overall feedback tone. Same with the Ursa - its dry/wet mix, predelay, decay time, and LF/HF decay crossovers all play a role in sculpting the sound.

Altogether, this setup produces evolving tonal textures that are highly sensitive to real-time parameter changes. Kind of reminds me of those cheap 1970s sci-fi soundtracks x)

(sorry for the autofocus, I forgot to disable it)

Instagram : / valmont_naudin"

MEGA Roland System 700 Modular Analog Synthesizer SN 630086

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

via this Reverb listing

"The Bonfires Vintage is thrilled to offer Voltron! -A once in a lifetime complete Roland system 700 modular synthesizer, meticulously serviced and restored, in absolutely gorgeous playing condition.

Regarded as perhaps the finest analog synthesizer ever designed, only 40 of these miraculous systems were ever produced, and I think Hans Zimmer owns 39.

Please check out the video below of this actual synth in action!

Main Console:

OSC 702a, OSC 702b, OSC 702c

Noise/ ring mod 708, VCF 703e, VCF 703B,

VCA 704a, VCA 704b, Stereo output 711a,

Monitor 712a, LFO 706a, LFO 706b,

S&H 709a, AMP 707a, dual ADSR 705a,

MIX 716a, MULT 710a, PSU 718a.

Block 5:

VCF 703f, VCA 703c, 3x VCA 704c,

Gate Delay 713a, 2x Dual ADSR 705a,

MULT 710a

Block 4:

3x VCO 702d, 3x VCO 702e, MIX 716a,

MULT 710a, LFO 706b, S&H 709b,

DUAL ADSR 705a.

Block 7:

MULT 710b, SWITCH 723a,

DUAL PHASE 720b, DUAL DELAY 721a

Block 6:

IF1 714b, VCA 704c MULTIMODE VCF/ MIXER 715a

Keyboard Controller: 701a.

Each module has been cleaned, calibrated, and recapped as necessary for optimum performance. The connectors have all been upgraded to locking DE9 with hi spec 80c 300v rated cabling for all modules. The system also comes with a dedicated test jig for module repairs."

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Behringer Introduces Behringer BM-13 PHASER

video upload by Behringer

"Step into a new dimension of sound as Adam guides you through Behringer BM-13 PHASER – a true analog beast brought back to life. With a powerful 12-stage phasing circuit that can be switched down to 6 stages, this unit offers a massive range of sonic textures." ⏱️ Chapters:
00:00 It’s a Phase
00:14 The story of BM-13 Phaser
01:07 What’s a 12-stage Phase?
01:55 BM-13 demo
02:20 Features
03:14 The controls + demo’s
05:50 IO connectivity + demo’s
07:01 BM-13 in stereo
08:00 Phased drum demo

The Behringer BM-13 PHASER is your new go-to box of swirling, sweeping, analog goodness. Whether you’re chasing subtle vintage shimmer or deep resonant sweeps, BM-13 delivers timeless phaser tones with powerful controls for shaping the waveform the way you want.

A Control Freak’s Dream
With hands-on control over sweep, resonance, LFO rate and amount, BM-13 is as tweakable as it is musical. Want to slow things down to a hypnotic pulse? Crank that LFO down to a lazy 0.01 Hz. Feeling spicy? Flip it into high gear for warbly, out-there textures at up to 250 Hz. Add a little grit with the Drive knob, fine-tune your output level and explore either 6-stage or 12-stage phasing – each delivering its own flavor dimension and character.

Plug In and Lose Yourself
From funked-out guitar riffs to synth pads that melt into space, BM-13 is built for exploration. Guitarists and bassists will love how it adds motion without washing out your tone, while keyboardists and synth wizards can drench their patches in analog swirl. Even in the studio, it’s a secret weapon – run vocals, drums, or entire mixes through it for instant vibe and warmth. And with stereo output capability, your sound can stretch wide across the stage or mix.

Built to Play Modulation doesn’t stop at the stomp switch. BM-13 comes equipped with expression pedal inputs, giving you full control over key parameters from modular gear or performance pedals. Whether you’re a traditional player or an experimental sound-shaper, the Behringer BM-13 PHASER invites you to dive in and make it your own.

Grab one from your nearest distributor today!

EXPLORING THE ELGAM CAROUSEL

video upload by Vintage Audio Institute Italia

"The mythical Elgam Carousel from 1976 - is it a toy or a songwriting tool?
It's at least safe to say it's an analog drum machine and arpeggiator, with 3 chord sounds and a bass line generator that swings real good - here recorded completely dry without effects.

The Groove box that sparked todays hype of the genre - a stunningly well-designed piece of gear with a great analog vibe that stays relevant. Originally, this was the Crazy Hands section from the Elgam Broadway organ.

The Carousel is comprised of 4 sections :
1. Drum Machine
2. Bass Section - generating a choice of two bass-lines
3. Chord section - three sounds (Harpsichord, Honki tonk and Piano)
4. Arpeggio section - one sound with adjustable decay and 2 stackable harmonies.

The melodic sections change depending on the rhythm engaged and follow the tonality of the keyboard. Sonically the sounds gel really nicely, this machine is the sum of all its parts, the rhythms and bass lines are well-programmed, the bass has great lines and the arpeggiator adds that magic.
The drum section offers 15 fixed rhythms of great analog drum sounds. No individual drum sound mute options, but hey - at least you can add maracas.

You have the option to select the tonality with one finger for simple root chords and selecting minor, 7th or diminished with the foot pedal. Or you can choose to operate it in manual mode and potentially play more complicated chords.

In manual mode the bass and arpeggiator only makes sense of chords of three notes while the chord section reads all the notes at the same time. On the back we usually have a single audio output and a pedal switch connector for stop/start and minor and 7th but this one had some other mods added that were disconnected.

This unit was just serviced and will go up for sale next week so holler if you're interested - it's in good condition"

Computone Lyricon Wind Synthesizer-Driver owned by Grammy winner Paul McCandless?

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

SN 323 via this eBay listing

"The Computone Lyricon Wind Synthesizer-Driver, owned by Grammy winner Paul McCandless, is a wind synthesizer-driver that offers a unique sound experience. With its analog capabilities and high-quality craftsmanship, this synthesizer is perfect for musicians and audio professionals looking to add a distinctive and professional touch to their music. Made in the United States, the Computone Lyricon Wind Synthesizer-Driver is a reliable and versatile tool for creating captivating sounds and music compositions.

This unit is EXTREMELY RARE!! I acquired this from Paul McCandless himself some 25 years ago and it has been in storage ever since. Paul is a 6 time nominee and 3 time Grammy winning wind player.

Comes with case, power cord and accessory cord. A reprinted owner's manual is also included. The serial number on this incredible instrument is #323.

The build quality of Lyricon instruments is un-matched by any other modern or vintage wind instruments. Utilizing a mat chrome plated brass housing (not plastic) and spring loaded key pivots on metal keys with mother of pearl inserts, the action is similar to acoustic wind instruments. This type of action is familiar to and preferred by many musicians. The Wind Driver is strictly an analog instrument. There is no MIDI on board, though the analog voltages can be used to drive a CV to MIDI converter (not included) if desired.

The Lyricon Wind Synthesizer outputs analog control voltages that must be patched to a separate synthesizer (not included) It will not produce sound on its own. Numerous 1/4” jacks are provided that output control voltages for Pitch, Wind (volume), Gates and Pitch Bend. These outputs can be connected to your synthesizer’s VCO, VCA, Gates and VCF inputs, though only a VCO and VCA are required to produce sound. If you prefer an instrument that has on-board sound generating capabilities, the Lyricon 1 or Lyricon II would be more appropriate."

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EMU PROTEUS 2500 w/ Original Box, Manual & CD

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

via this eBay listing

Pic of the inside below.

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Sequential Introduces the Take 5 Desktop Module

video upload by Sequential

"Take Your Music to the Next Level

The Sequential Take 5 desktop module brings the legendary Prophet-5 sound to your mix, featuring the analog oscillators and filter that transformed electronic music. Compact and powerful, it fits seamlessly into any studio and is easy to transport for live performances. Modern effects and a powerful modulation matrix deliver sounds to transport you.

Soundtrack exclusively by Take 5. Yes, even the drums! Composed by Peter Dyer.

For more information on Take 5 visit Sequential at: https://sequential.com/hybrid-analog/..."

Sequential Take 5 Module Demo (no talking) - Presets for Ambient, Melodic Techno and Electronica

video upload by Limbic Bits

0:00 Pads
13:09 Bass
16:25 Leads and Arpeggios
20:57 Misc, SFX and Percussion

Sequential Take 5 Module Demo (no talking)

video upload by Bonedo Synthesizers

Hurray... Take 5 and TEO 5 Desktop Units

video upload by Starsky Carr

TEO 5 announced here

"The Take 5 and Teo-5 from Sequential and Oberheim make fantastic desktop units. They feel like they were made for this form factor - no compromises, simply great sounding synths in a high quality enclosure. The keyboard versions may have felt lacking in keys (even though they have a great keybed) - just a bit too short for some. I found it was quite handy having one that could fit on my rack! But with these the only decision you have to make is which one is best for you.

Luckily I'm here to confuse you further (they both sound great)! The decision will be whether you prefer the Oberheim or Sequential style of VCO programming, the filters, and the X-Mod/FM. And these just so happen to be the bits I look at in this :)"

0:00 Whoo Hoo!!
2:36 The Hardware
4:37 Quick Overview - What Are They?
6:58 Oscillators
10:20 Sync
12:31 Filters
21:08 X-Mod/FM



Press release follows:

Take Your Music to the Next Level with the Sequential Take 5 Desktop Module

San Francisco, CA – [July 1, 2025] – Sequential, a leading innovator in synthesizer technology, today announced the release of the Take 5 Desktop Module, bringing their legendary analog sound to a more compact and accessible form-factor.

Building on the success of the Take 5 keyboard, the desktop module offers the same powerful analog oscillators and filters that capture the iconic warmth and depth of the Prophet-5, enhanced with modern modulation and digital effects. The module delivers this sought-after sound in a space-saving design, perfect for studio setups and live performances where portability and efficiency are paramount.

"Ever since we launched the Take 5 keyboard, we’ve gotten repeated requests for a desktop module version, " says CEO David Gibbons. "And more recently, it seems that modules have really shot up in popularity. So, we're very excited to offer the Take 5 sound in a format that everyone seems to want."

The Take 5 Desktop Module provides the same hands-on, knob-based experience as its keyboard counterpart, allowing for intuitive sound design and real-time parameter adjustments. Users can delve deep into sound creation with controls that are simple and direct, making it fast and easy to polish your sound.

This synth fits perfectly in smaller studio or bedroom setups, and is easy to transport for live gigs, positioning The Take 5 desktop module to bring its signature Sequential sound to a wider audience than ever before. It's an instrument designed to make life easier and streamline the journey to making music and having fun.

The Take 5 desktop module is available now, with a US MAP price of $1,399.

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Oberheim Introduces the TEO 5 Desktop Module

video upload by Oberheim Official

"The TEO-5 desktop module delivers the same signature sounds and synthesis features as its acclaimed keyboard counterpart. With genuine analog oscillators, the Oberheim SEM™ filter, and an intuitive knob-based interface, it fits seamlessly into your setup, offering powerful, hands-on control in an even more compact size.

Music by Peter Dyer
All sounds from TEO-5

Learn more at https://oberheim.com/products/teo-5/"


Press release follows:

Compact Creativity: Redefine Your Studio with the TEO-5 desktop

San Francisco, CA – [July 1, 2025] – Oberheim is proud to announce the release of the TEO-5 desktop module, a compact yet powerful addition to their venerated line of synthesizers. Designed for musicians and producers who want the iconic Oberheim sound in a space-saving format, the TEO-5 desktop module delivers all the same signature sounds and synthesis features as its sibling, the acclaimed TEO-5 keyboard.

TEO-5 boasts genuine analog oscillators and the legendary SEM™ multimode filter, allowing users to recreate the classic Oberheim sounds that have shaped decades of music. With extensive modulations, including linear, through-zero FM, and modern effects, the TEO-5 desktop module offers new sonic frontiers to explore.

The intuitive knob-based experience of its keyboard counterpart is also carried over into the TEO-5 desktop module. And all synthesis features are still easily accessible from the top panel, allowing users to make the real-time adjustments needed to fine-tune their sound with ease. This hands-on approach ensures that musicians can quickly dial in the perfect Oberheim tone for their music.

Ideal for synthesists with limited studio space, the TEO-5 desktop module provides all the exceptional presets and sonic control of the keyboard version in a footprint that's less than half the size. This compact design allows the TEO-5 desktop module to fit seamlessly into any creative workflow, making it a versatile addition to any setup.

“The meaning of the word ‘module’ has changed quite a bit since I first designed my Synthesizer Expansion Module or SEM back in 1974,” said Tom Oberheim. “But even back then, musicians appreciated getting tons of great sounds in a compact package. The TEO-5 keyboard has already gone farther and wider than SEM, and I’m excited to see this desktop module version introduce even more people to the magic.”

The TEO-5 desktop module is available now, with a US MAP price of $1,399.

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Vends Analog-Lab Vocoder X-32

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

via this Reverb listing

You cand find a demo of the prototype from 2008 here, and additional posts here.

Google translated from the listing:

"A rare unit from France!

This is an EMS 2000 vocoder.

Made in France, only 100 units were produced.

32 purely analog bands, with a frequency response of 20Hz to 120Hz (low-pass), 120Hz to 9Khz (30 bands), and 9Khz to 20Khz (high-pass). This distribution gives it unparalleled intelligibility. It also results in absolute precision across the entire spectrum, with superb harmonic richness.

The X-32 was designed to accommodate all sound sources, allow for diversified signal routing, and the use of exclusive vocoder functions, making it an incredible Machine

Features:
Analog vocoder with 32 filters and stereo spatialization
Built-in regulated oscillator
3-stage harmonic generator
LFO with progressive waveforms
Triangle-square morphing
Sync trigger
Line/instrument input
Dynamic microphone input with inverter
Devoiser with formant detection
Adjustable white noise addition
Outputs: Mono, Stereo L & R, OSC out, 0-5V drive/CV, noise substitution input, direct source output

Dimensions: 19" rack
Height: 2 units / depth 33 cm
Power supply: 18V - 1500 mA
Weight: 5.5 kg

Worldwide shipping, customs fees are the buyer's responsibility.

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