Maestro Vintage Theremin Designed by Bob Moog

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video upload by Awesomesauceguitars

via this Reverb listing

"Here’s an old Maestro theremin made sometime in the 70s. It’s a bit beat up and shows its age but if you’re looking for a noisemaker this thing has got it where it counts. I believe only one knob is original and there might be a back panel missing. It also has an old school phone number stenciled on the top. Check the video below to hear it rocking. Now this guy could use an electronics tune up but Asis it works and makes tons of weirdo noises. It’s a ton of fun and probably the cheapest vintage theremin you’ll find on the market."

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Soma Lyra 8 with Moog Freqbox² and Maestro Ringmodulator

video uploads by Ebotronix

Note there are two videos in the playlist, part one and part two. You can use the controls to skip around.

Soma Lyra 8 ,
Maestro Ringmodulator,
Moog, Moogerfooger, 2x, Freqbox,
Boss PN2, SL20,2x, EV 30,
Strymon Big Sky MX, controlled by,
ATO Faderbank 16 n , with Midi CC,
25.02.2025
vid # 2478 & 2479

Maestro Rhythm King MRK-4

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via this listing

You can find a demo of one previously posted here.

"This is a rare Maestro Rhythm King Mark 4. It is VERY different from the more common and more colorful Maestro Rhythm

King. The biggest difference is that the MKIV has an external audio input, which gets fed into a gate circuit that follows the rhythmic patterns of the preset pattern you choose on the drum machine. You can blend the drum sound using a fader to go fully hats, to be mostly kick and toms, or anywhere in between. The volume for the external audio has its own volume fader, as does the drum volume, so you can also use it just to modulate audio and not use the drums. There is also a blend fader for the gate on the external audio, so you can dial in how much of an abrupt cut you want."

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Behringer GRIND thru a Maestro Echoplex EM-1 #synthrenegades

video upload by HanzVolt

"5 Mins checking out the GRIND. Haven't had the time to get deep with it yet, but heres a few just effin around. And some visuals courtesy of the Entropy & Sons Recursion Studio and HDK-01"

Modest Mouse Drum Machines For Sale

via The Official Modest Mouse Reverb Shop

Drum Machines listed here

Listed and pictured:

Seeburg Select-A-Rhythm

Hammond Auto Rhythm FR-2D Owned by Modest Mouse SN 000322

ACKS Newport Firstman Auto-Rhythm FR-25

King Beat 7

Boss DR-55

Rhythm Master RM-20

Maestro Rhythm

Roland CompuRhythm CR-78 w/ WS-1 Remote

Also see Moby's Drum Machines For Sale posted back in 2018.

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Maestro Rhythm Jester SN 13349 w/ Original Box

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video upload by organ69

"maestro Rhythm Jester Model RJ-1(ap053) demo［organ69］"

Note the demo above is from four years ago.

via this listing

"The Maestro Rhythm Jester is a vintage drum machine from the 1960s, known for its quirky charm and distinctive analog sound. Manufactured by Maestro, a subsidiary of Gibson, the Rhythm Jester was designed to provide musicians with a simple yet effective rhythm accompaniment tool. It quickly became popular for its ease of use and the warm, characterful beats it produced.

The Rhythm Jester features a range of preset rhythms, including swing, mambo, and rhumba, each with its own unique flavor. Its analog circuitry ensures that every beat is rich and full of the warmth associated with early electronic instruments. The machine’s interface is straightforward, allowing users to easily select and combine patterns, making it a versatile choice for live performances and studio sessions.

With its compact design and sturdy build, the Maestro Rhythm Jester is both portable and durable, making it a reliable companion for musicians on the go. Its retro aesthetic, combined with its distinctive sound, has made it a sought-after piece for collectors and vintage gear enthusiasts. The Rhythm Jester remains a beloved example of early drum machine technology, offering a nostalgic yet timeless rhythm experience.

This example is in great condition, and in perfect working order. The drum machine will come in it's original box. The power cord and audio output cable are intact and work with no issue."

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Maestro - Phase Shifter w/ Case & Operating Instructions

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via this listing

Additional NOISEBUG Listings

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Maestro Rhythm King MRK-4 Drum Machine demo (with MODULATION!)

video upload by morganfisherart

Maestro Rhythm King MRK-2 Drum Machine demo

video upload by morganfisherart

"Maestro Rhythm King MRK-2 Drum Machine demo. For sale on Yahoo Auctions.
YAHOO AUCTION LINK:
https://page.auctions.yahoo.co.jp/jp/..."

марк1 Maestro Rhythm King MRK-1 - Drum Machine Replica

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video upload by ДМИТРИЙ Р

via this auction

Note auction links are affiliate links. See the site's privacy policy for more info.

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11/10/23 (demo) External audio through the modulation circuit of Maestro Rhythm King MK4 (for sale)

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video upload by Cfpp0

"A beat gets added at 3:35 to demo the full sound of the machine, but otherwise this is just the sound of the Hewlett-Packard 241A oscillator (into the Heathkit ID-4101, padded down by a Rucci passive mixer) sent into the modulation circuit on the Maestro Rhythm King MK4. Each available preset is selected so that you can hear how the circuit chops up the external audio in relation. You can also combine two or three presets for more complex rhythms."

via this auction

Note auction links are affiliate links. See the site's privacy policy for more info.

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Maestro TH-1 Theremin Synth

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via this auction

"Experience the unique sound of the Maestro TH-1 Theremin Synthesizer. This vintage instrument is perfect for musicians looking to experiment with unconventional sounds. The TH-1 model features synth keys that allow for even more creative control in your music.

This Maestro synthesizer is a must-have for any serious musician's collection. The instrument has been previously owned, but has been well-maintained and is in great working condition. Its unique sound and vintage appearance will add a touch of character to any musical performance."

You can find the TH1 demo record posted here. According to this previous listing it was designed by Bob Moog.

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7/16/23 Hewlett Packard 3310A + Maestro Rhythm King MKIV + CXM 1978 + Coppersound Telegraph Stutter

video upload by Cfpp0

Follow-up to this post.

The Maestro is currently listed on Reverb here.

7/16/23 DEMO: Maestro Rhythm King MKIV (for sale) chops TTMC and Trogotronic

Note: Auction links are affiliate links for which the site may be compensated.
video upload by Cfpp0

"This Rhythm King is the true King of rhythm machines because it has an internal modulation circuit that gates your external audio to correspond to the pattern of the beat. You have control over the modulation depth and volume. You have control over the beat volume and the balance between drums or cymbals. You can combine more than one pattern to generate new patterns. For this demo I am playing continuous notes on the TTMC 112, which CVS the 158 oscillators, and the 112 gates the Trogotronic m11 and also sends pressure to the drive input. The output goes to a 106 then to a passive Rucci matrix mixer (I was going to make the modulation circuit feedback on itself a bit, which sounds cool BTW) and into the modulation circuit where the Rhythm King slices and dices."

via this auction

"This is a rare Maestro Rhythm King Mark 4. It is VERY different from the more common and more colorful Maestro Rhythm King (we have it too if you want to buy it). The biggest difference is that the MKIV has an external audio input, which gets fed into a gate circuit that follows the rhythmic patterns of the preset pattern you choose on the drum machine. Check the video in our photos and cut to 2:45 to see and hear how it works.

You can blend the drum sound using a fader to go fully hats, to be mostly kick and toms, or anywhere in between. The volume for the external audio has its own volume fader, as does the drum volume, so you can also use it just to modulate audio and not use the drums. There is also a blend fader for the gate on the external audio, so you can dial in how much of an abrupt cut you want."

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Maestro USS-1 Universal Synthesizer System - 70s Multi-Effect Unit SN 1420

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via this auction

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1960s Gibson Maestro W-3 Woodwind Instrument Sound System Minus Footswitch Pedal

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via this auction

You can find a demo of the Maestro W-3 and some pics of the foot pedal in previous posts here.

"This 1960s Gibson Maestro W-3 Woodwind Instrument Sound System Synth is in very good condition. Powers on and top knobs work correctly. As far as I understand the bottom controls will not work without the pedal plugged in. Could be modified or an original/custom pedal attached. The microphone is working but has not been fidelity tested. Looks to be a clarinet attachment. See photos for full condition details...

Included:
1960s Gibson Maestro W-3 Woodwind Instrument Sound System Synth
Clarinet Attachment w/ Microphone & Cord
Original Tip Guide
Spare Fuses
Original Case Keys
Original Case (Good, working, condition)"

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MAESTRO FSH-1 Filter Sample Hold RARE - DESIGNED BY SYNTH PIONEER TOM OBERHEIM

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via this auction

Pics of the inside below.

"This is the real deal. It's in great condition. It has CR carved into the bottom (the previous owner was named Curly!) and he replaced the battery terminals to extend the original wires at some point. Studio use only in my possession."

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Maestro USS-1 SN 1558

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via this auction

"Super Rare, Tom Oberheim designed Maestro USS-1 Universal Synthesizer Unit. Bought this in 1992 and it all worked then, but its been in storage all these years. Powers on and Waveform, Filter, Sample/Hold and Phase working well. Envelope and Subharmonic hard to tell. A first envelope sliders looks unconnected but is there and Sensitivity slider too is missing. Has a bypass toggle switch added by previous owner. Working sliders are really tight but probably just need some WD-40 as they used to work."

Do not spray WD-40 into your synths.

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Maestro USS-1A Universal Synthesizer System for P&R SN 1169

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via this auction

"Includes footswitch.

Item is in used condition.

Item is being listed for parts and repair.

PLEASE NOTE:
- The PHASE effect appears to be functional.
- The SUB HARMONIC effect work intermittently.
- The rest of the effects do NOT appear to function, and the volume drops out when they are engaged.
- The faders are difficult to move (they do NOT glide freely).
- The buttons on the footswitch do NOT always light up.
- The footswitch does NOT engage properly.

Item turns on while plugged in with the attached power cord.
No input or output jacks show any obvious signs of damage.
The power cord appears to be in good condition.

Cosmetic issues with the item include missing fader caps, scuffs, scrapes, dust/residue, light oxidation, and scratches and marks consistent with regular use (see pictures)."

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Vintage Tom Oberheim Designed MAESTRO FSH-1 Filter Sample Hold

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via this auction

Pics of the inside below.

"A HOLY GRAIL OF PEDALS.

HISTORICALLY SIGNIFICANT DEVICE:)

DESIGNED BY TOM OBERHEIM. MAESTRO WAS ONE OF THE FIRST PEDAL MAKERS, IN THE 70'S.

THESE ARE RARER THAN RARE, AS YOU KNOW.

IT'S TWO DEVICES IN ONE: WHEN "FILTER" IS SELECTED, THE INSTRUMENT (GUITAR, ETC) THAT'S PLUGGED IN, AUTOMATICALLY ACTIVATES AN ENVELOPE FOLLOWER, THAT CONTOURS THE MODIFIED LOW PASS FILTER'S RESPONSE CURVE ACCORDING TO THE DYNAMICS OF THE INPUT.

A VERY CONTROLLABLE (FILTER CONTROL) DYNAMIC EFFECT, A LITTLE MORE SUBTLE THAN "AUTO WAH".

THE REAL FUN COMES WITH THE "SAMPLE/HOLD" POSITION. HERE, THE FILTER'S RESPONSE IS CONTROLLED RANDOMLY, BUT WITH AN OVERLYING RHYTHMIC ELEMENT DETERMINED BY THE CONTROLLABLE LFO (S/H SPEED). IT'S NOT UNLIKE THE SOUND PEOPLE THOUGHT COMPUTERS MADE IN THE 60'S-70'S:)

BECAUSE SUCCESS WAS UNKNOWN, SOME ELECTRONIC PARTS WERE SELECTED BY THE MANUFACTURER THAT WERE OF THEN-LESSER-QUALITY. THESE IMPART A VERY DESIRABLE AMOUNT OF SLIGHT GRIT TO THE SOUND.

SINCE THE AVAILABILITY OF SUCH PARTS HAVE LONG SINCE VANISHED, THE ORIGINAL CIRCUIT IS THE ONLY WAY TO GET THIS PARTICULARLY FAVORED SOUND.

EXCLUSIVE TO THIS PARTICULAR DEVICE: THERE ARE "TRIMS" INSIDE, THAT HAVE BEEN OPTIMIZED.

ALSO EVERYTHING HAS BEEN PROFESSIONALLY CLEANED AND LUBRICATED."

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