E-MU Systems Emulator II+ HD 61-Key 8-Voice Sampler Workstation (Rep Sample w/ Flight Case)

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via this Reverb listing

Additional SYNTH CITY Listings

"Originally owned by E-MU Systems, this Emulator II+ HD is believed to have been used for trade shows, demonstrations, and internal studio work during the golden-era of sampling. It has traveled extensively in the included ATA flight case, complete with original travel stickers and E-MU rep badge. One latch is broken, be can be secured during shipment. Name has been blurred for privacy.

Overall condition is exceptionally clean for a unit of this age, with only minor cosmetic wear.

This unit has been comprehensively serviced and is fully functional. A new power supply has been installed along with a new display. Two USB floppy emulator drives have been installed and include USB storage. The previously installed switching power supply has been properly rewired and mounted to the power supply panel. Tantalum capacitors in the secondary supplies have been replaced. A faulty Z80 CPU IC has been replaced. Two CEM chips have been replaced and the voice IC sockets have been cleaned. Tact switches have been disassembled and cleaned. Faders have been replaced with correct original type units. The mix volume control has been replaced. The panel PCB ribbon cable has been replaced. The keybed has been fully disassembled, cleaned, and serviced.

A rare opportunity to own a fully sorted Emulator II+ HD with direct lineage to E-MU itself, equally suited for studio use or serious collection. Model 6075 // Serial No. 2394"

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Oberheim OB-8 61-Key 8-Voice Synthesizer w/ MIDI (Serviced) SN C30418

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via this Reverb listing

"This monstrous synth is in great shape and sounds fantastic. There are eight analog voices which can be panned individually for some really interesting stereo sounds. The keyboard can be split or doubled and there are two oscillators per voice. It is a very warm sounding synth great for massive chords, basses and leads. This model has MIDI in out and thru.

It is quite a beast, with all the great 80s vibe and that classic Oberheim sound. In fantastic working and cometic condition overall. Fully serviced along with new wood sides. Serial No. C30418"

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Sequential Multi-Trak 61-Key 6-Voice Polyphonic Synthesizer

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via this Reverb listing

Additional SYNTH CITY Listings

"The Sequential Multitrak (released in 1985) is a six-voice analog synthesizer notable for combining true analog sound with early digital control.

Each voice has a CEM3394 synth-on-a-chip, offering a single oscillator, sub-oscillator, noise source, and resonant low-pass filter. It was one of the first affordable synths to feature a built-in sequencer and MIDI implementation, making it popular for both studio and live use.

The Multitrak’s panel and parameter editing system allowed deep sound design, though programming could be a bit tedious. Its warm, punchy tone and distinctive Sequential character make it a cult favorite among vintage synth enthusiasts today.

This one works like a charm and has that analog warmth you've been looking for in a polysynth."

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Roland Juno 106 Synthesizer - Serviced - New Voice Chips - Signed by Kip Winger

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Dead Roland Juno 106 Repair - Synthchaser #178 video upload by Synthchaser

via this eBay listing

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Roland Alpha Juno-1 SN 721051

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video upload by Seventy Three Records Music Store

via this eBay listing

"Here's a great way to get that classic Roland Juno sound without spending a ton of money.. this Roland Alpha Juno-1 49-Key Programmable Polyphonic Synthesizer 1985 is in good working condition in and out. No operational nor sonic issues. Looks great too! See all pics. AWESOME classic \ synth that certainly deserves the Juno title. Great pads, brass, basses, leads, bells and more! Just a wicked synth at a great price!"

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Sequential / Dave Smith Instruments Prophet 08 PE SN 03634

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video upload by Seventy Three Records Music Store

via this eBay listing

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氏家克典のコレがオススメ！ Vol.35 "Waldorf Protein"

video upload by KATSUNORI UJIIE

"Today I'm introducing the Waldorf Protein.
Based on the original Waldorf Microwave 1’s ASIC oscillator, the Waldorf Protein is an affordable, compact 8-voice polyphonic wavetable synthesizer equipped with the latest features—including advanced arpeggiators, a step sequencer, chord mode, and effects—that incorporate technology from the Iridium.
While returning to the roots of Waldorf’s early instrument design, it evolves that philosophy into a form suited for the modern era.
Measuring 252 × 170 × 48 mm (including knobs) and weighing 0.9 kg, its portable, compact chassis houses performance that exceeds its class.
The Protein makes a strong statement as the first release in an upcoming new product line.
I introduce its superb sound and features through live performances!"

Korg Minilogue XD - Ambient Machine Vol. 2 [SOUNDSET] | Custom Presets [Synthesizer Demo]

video upload by Mr. Card Synths

"Korg Minilogue XD - Ambient Machine Vol. 2 [SOUNDSET] | Custom Presets [Synthesizer Demo] – the second volume of my ultimate ambient collection dedicated to the Korg Minilogue XD. This soundset is all about depth, emotion, and sonic storytelling. I’ve focused on creating organic, breathing textures, melancholic pads, grainy lo-fi leads, and intricate sequences that evolve over time.

The Minilogue XD’s hybrid engine shines here, blending warm analog grit with crystalline digital oscillators. Whether you’re scoring a film, producing downtempo, or just getting lost in generative soundscapes, these presets are designed to spark instant inspiration and fill your tracks with rich, professional atmosphere.

👉 Check out my soundset: https://mrcardsynths.com/product/korg..."

WIESENBERG 2 synthesizer sound demo

video upload by the VAPE

Arplus: Max Pluck for your Buck - Quantised Arpeggiated Karplus Strong Eurorack Module

video upload by Kronofonika

"Introducing Arplus, a six voice Karplus-Strong Synth with a quite advanced Quantised Arpeggiator built in. A lot of Pluck for your Buck.

Thanks Zlosynth Instruments for letting me do a synth demo wearing chainmail."

00:00 - Intro
02:15 - Karplus-Strong History and What is it?
03:28 - Polyphonic Spree
04:03 - Sound Parameters
07:16 - External Input
09:25 - Pure Ambient Bliss
09:56 - Quantiser
12:52 - Arpeggiator
16:04 - Swap 2 Infomercial
16:33 - Spicing things up

via Perfect Circuit

The Arplus module from Zlosynth Instruments is a robust Karplus-Strong 6-voice resonator that gives you a bevy of musical scales at your fingertips. The Arplus works by selecting a particular chord based on the scale you select, stepping through the notes of that chord via the Trigger input and button. Use the Tone control to set the root note, and use the Chord control to select the particular chord. Both controls have corresponding CV inputs that let you create intricate sequences or melodic randomness. Choose from 31 different types of scales that include Western, Arabic, Indian, Japanese, and even quarter tones.

Internally, a burst of noise gets generated to create the sound, however, if you want more control over your noise bursts, an external input is available for you to patch in whatever you'd like. Use the String control to adjust how many virtual strings remain resonant after the trigger—up to 6 strings can resonate at a time allowing for soaring expanses of ambience and gorgeous clusters of notes. Sculpt the sound right on the module with a built-in filter, including resonance and cutoff, along with a Contour control that moves from short percussive bursts to long swells of washed texture.

Of course, no resonator would be complete without a stereo output, and the Arplus doesn't disappoint. Choose from three different stereo spreads: Ping Pong, which alternates voices between left and right, Root, which sends the Root to the Left and everything else to the Right, and Haas, which creates a stereo spread using the psychoacoustic Haas effect. The Arplus from Zlosynth is more than just your typical resonator, with an easy-to-read scale selector and a lovely sound that's sure to win over your heart and ears.

ARPLUS FEATURES

6 Voice Karplus-Strong resonator
External audio input for custom excitation sources
31 Different scales
Customizable chords up to 8 notes
CV-Controllable arpeggiator patterns
Quantized 1V/Out output
3 Stereo output modes
Built-in filter