MATRIXSYNTH: synth guts


Showing posts with label synth guts. Show all posts
Showing posts with label synth guts. Show all posts

Monday, March 11, 2024

Moog Model D Minimoog V5 SN 10956 w/ Case

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


via this auction, also on Reverb

Two pics of the inside below.

"1977 Moog Model D Minimoog - Classic Analog Mono Synthesizer V5 with Road Case

The 1977 Moog Model D Minimoog is a true gem, embodying the essence of a classic analog mono synthesizer. Encased in a road case for added protection, this vintage beauty from Buffalo NY Moog stands out as an exemplar of analog power, unmatched by modern reissues and plug-in emulations. For aficionados and true synth enthusiasts, the 1970s-era Model Ds hold a revered status as the authentic deal.

Each Model D from this era is a unique masterpiece, radiating its distinctive warmth and character. In our studio, where we had many Model Ds come through our doors, no two sound alike. These vintage treasures deliver a deep, heavy, and punchy bass that is unparalleled, making them a must-have in the arsenal of any electronic music creator. However, their versatility extends beyond electronic genres, offering creative possibilities such as plugging in a guitar to craft tones with vintage filter points that defy the limitations of pedals or amps.

The Model D is a timeless classic that transcends the ages, and this particular Moog holds special significance. It boasts a single owner and has been professionally maintained, recently tuned and calibrated for optimal performance. Notably, this synthesizer features an extended tuning range, highlighted by the three additional ports on the back, showcasing the latest and most stable version of the vintage Minimoog Model D oscillator board available for sale.

While it exhibits minor cosmetic wear, this Model D functions flawlessly and is poised to serve its next owner for many years to come. The sale includes a padded Hybrid road case, offering both protection during travel and secure storage for this exceptional instrument."

Friday, March 08, 2024

What Is All That Stuff Inside A Polymoog (by synthpro)


video upload by synthpro

"This is a video I felt it was time to make going over the polymoog more in depth technically to go hand in hand with @AlexBallMusic's post on the Polymoog synthesizer."

See Alex Ball's Polymoog video here: That Gary Numan Synth. Update:

Dillan's Polymoog 203a Demo (by synthpro)



SN 1244

Inside Sequential: A Synth Lover's Dream Tour


video upload by Doctor Mix

"Join me on a journey to the heart of analog synthesizer craftsmanship at Sequential, creators of the Prophet 5 and more. Featuring a surprise visit by Mr. Tom Oberheim and a tour of their high-tech factory, this episode is a dream for every synth lover! 🚀 Discover the amazing synthesizers range by Sequential! Click here 👉 https://sequential.com/"

Wednesday, March 06, 2024

Paia Oz Vintage Poly Synth Rare VGC Working

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


via this auction

Pics of the inside below.

PAIA Oz synth from the 70s. It’s a cool, portable, battery powered synth organ with full sized keys, 5 octave selectable, trigger out, built in speaker and apparently used by DEVO. I soldered in a new battery holder as the old one looked flimsy and wasn’t making good contact. The ribbon controller is working but it’s more a gimmick and not a true pitch bender. All keys function and all functions work except I haven’t tested the trigger outs. This unit is pretty clean inside and out but it is a vintage DIY synth that’s rare so I’m selling as is and as described. Awesome piece to display in your collection and totally playable. I would imagine that adding a nine volt power supply would be extremely easy as well as adding an audio line out. This kind of begs to be modified into something more but I never got around to it."

Monday, March 04, 2024

Rare Tiracon 6V Polysynth | Basic tune and a look inside


video upload by Mindburner

"This video fatures the Tiracon 6V polysynth for around 1987. It was made in Communist East Germany. It is one of the last and very rare analogue synthesizer models produced in German Democratic Republic before German reunion."

Sunday, March 03, 2024

EMS VCS3 The Putney Analog Modular Synthesizer w/ DK 1 Keyboard SN 1098 & 2118

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


via this auction

"This listing is for an EMS VCS3 The Putney Analog Modular Synthesizer w/ Original DK 1 Keyboard. Important to note about this synth, it does not have master tune knob like many synths made after. There are three parameters the user needs to juggle to property tune this synth. The first is the frequency knob of the oscillators, 2nd is "Input Channel 1" knob and finally, the "Frequency" knob on the DK1 keyboard. Even with everything dialed in nicely, sometimes the higher or lower notes on the keyboard will be slightly out of tune. Adding or removing patch pins will raise or lower the voltages for all three of these parameters and will throw the synth out of tune. This is a historic synthesizer without the "quality of life" upgrades of analog synthesizers made after."

Original DK . 1 Keyboard w/8-pin Cable
New 3-pin Power Supply
Original 3-pin Power Supply

SERVICE DONE:

VCS3:
- All new electrolytic and tantalum capacitors (including PSU)
- All new 5w resistors
- Rebuilt power supply section with new voltage regulators, diodes and transistors
- Replaced envelope lamp with LED
- New grounded power cable
- Cleaned card edges and card edge connectors
- Full calibration to factory specs

DK1:
- All new electrolytic capacitors
- Full calibration to factory specs
UNPACKAGED WEIGHT: 30.15 lbs.

UNPACKAGED DIMENSIONS: 30" x 20" x 18"

Pics of the inside below.

Friday, March 01, 2024

Studio Electronics MIDIMOOG w/ Original MiniMoog OSC Board SN 1123

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


via this auction

Pics of the inside below.

"Original model MidiMoog.. Not very many of these made. This was one of SE's first builds. These few MidiMoog's had an original vintage Moog MiniMoog OSC board.. this is one of those.

It all works great.. Thesis Audio completely went through it a couple of years ago.. It is working and sounding great.. just like a vintage minimoog!

In many ways its better than a vintage minimoog.. it has MIDI, it has LFO and Filter Aftertouch!!! And is very portable.. all with the Mini sound.

A couple of things to note. There are scuffs and scratches around the body, The first WAVEFORM knob is a little loose from its post.. NOT THE POT.. just the plastic knob over the metal pot post.. needs a new set screw. And.. while its perfectly scaled and in tune across many octaves.. you may have to scale and tune it after transit.. takes 5-10 min and super easy.. tuning / scaling pots are accessed via the back panel with a mini flat head screwdriver. Might not need tuning when you get it, just stating for full disclosure."

Wednesday, February 28, 2024

Oberheim OB-1 Demo/For Sale (by synthpro)

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

"Hey Guys, In this video, I go over a very cool little Oberheim OB-1 I have been working on between all my other projects. As you can see in this video, its a great playing little synth once more after being dead for many years.

This particular synth belongs to David Ewing who played with Brenda Lee for 30+ years so this synth also has some awesome history behind it.

Here is a link to Tauntek's page on the OB-1 for those interested or struggling with your own repairs: http://www.tauntek.com/OB1.htm

here is the link to the listing:
https://reverb.com/item/80072356-ober..."

Thursday, February 22, 2024

Kawai SX-240 SN 8748 w/ Original Box & Cassettes

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


via this auction

"- 1985 Kawai SX-240 8-Voice Analog Synthesizer Keyboard

- This Exceptional Example, Serial Number K8748, Remains in Near Mint All Original Condition and Includes the Original Shipping Box and Sealed SX-240 Cassette!

- Somewhat of a Sleeper, the SX-240 is a Dynamic, Rich, and Superb Sounding Analog Synth

- Intuitive, Easy to Use, and a Viable Alternative to Many Mid-80’s Analog Keyboards, the SX-240 is One of Japan’s Best Synths"

Pics of the inside below.

Tuesday, February 20, 2024

Moog Polymoog Repair - Dead/Incorrect Sounding Keys - Synthchaser #162


video upload by Synthchaser

"In this video I show how to repair the 2 most common causes of a very frequent Polymoog problem--dead or incorrect sounding keys."

Monday, February 05, 2024

Roland DC-30 Chorus Echo × CR-8000

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



via this auction

SN 822220

Pics of the inside below.

"This listing is for a DC-30. It's in Perfect working condition. Cosmetic Condition has some scratches but no major damage. I have uploaded a demonstration video with a Rhythm track, so please take a look."

Saturday, February 03, 2024

Roland XP-80 Synthesizer Parts

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


via Soundray Reverb

Note this is a supporting member listing.

Pictured in order:

Roland XP-80 Main Enclosure with End Caps

Roland XP-80 MAIN BOARD ASSY 70567012

Roland XP-80 SWITCH B BOARD ASSY 70567123

Roland XP-80 SWITCH A BOARD ASSY 70567067

Roland XP-80 Jack/Expansion BASE BOARD ASSY 756710100

Roland Slider Board for Roland XP-80

Roland Encoder Assembly with Data Dial for Roland XP-80

Roland Bender Assembly with Frame for Roland XP-80

Roland Power supply assembly for XP-80

Panasonic Floppy Drive for Roland XP-80

Tuesday, January 30, 2024

Repair Prophet X by Sequential/Focusrite


video upload by O.Z. Hall

"This video is a 3 minute recap of the experience that I had while getting my Sequential Prophet X sampler/synth hybrid repaired. Focusrite now owns both Sequential and Oberheim.

Here's the link to the Sequential.com website for openning a support ticket:
https://sequential.com/support/contac..."

Monday, January 29, 2024

Yamaha CS-80 Polyphonic Synthesizer (Japan/1977) + MIDI

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


via this auction

Pics of the inside below.

"This instrument of wonder has had MIDI fitted, and is complete with original swell and sustain pedals, and locking chrome stand. Condition is excellent, considering its age. It was converted to 220V, when serviced by Kent Spong (top UK go-to tech/London). Tuning is stable, after the analogue components are allowed to warm up. Serial number is 0019 (only 800 ever made..). Weight of this instrument is around 100Kg. Serious weight,serious instrument. Used by Vangelis and countless others......do the research.

If you are reading this, then you must be "au fait" with the CS-80 model. This one was sourced from a Japanese collector, imported to central England, professionally serviced, then sporadically used in a pro studio. It has NOT been thrashed/abused..."

EMS Rehberg Logik Analog Synthesizer (Designed By EMS England)

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


via this auction

Pic of the inside below.

"This edition is rare, and cannot be found anywhere as a set. Made by EMS London, and works differently than the Synthi A, although it appears to be the same. Here is a breakdown of what you get below:

In addition to the power supply, new patch cables as well as the original patch cables (standard mini jack), the lid of the "suitcase synthesis" and the original manual (or textbook) are included.

The modules of the EMS Synthis work perfectly, the overall sound and especially the filter sound very high-quality.

VCO – Voltage Controlled Oscillator • with the vibration forms sine, sawtooth, triangle and rectangle with external control voltage input for pulse width modulation • VCF – Voltage Controlled Filter • Multimode filter with 12 dB slope, low-pass, high-pass, band-pass and phaser • LFO – Low Frequency Oscillator • with the vibration forms sine and rectangle • SRG – Slow Ramp Generator •

with
the vibration form sawtooth • NG
– Noise Generator •
the noise generator offers white
noise • EG –
Envelope Generator (Envelope
Shaper)
• A-D-S-R • RM
– Ring Modulator • INV – Inverter • SL – Slew Limiter (Portamento) • EF – Envelope
Follower • External Audio
Input • Output/Mix
• Control Inputs"

Thursday, January 25, 2024

KORG 800DV duophonic/monophonic synthesizer

Note: Auction links are affiliate links for which the site may be compensated.
video upload by Magicjuno60

"Just a quick demo of my Maxikorg synth that I'm offering on EBAY."



via this auction

Pics of the inside below. Also some scans of the manual.

"As for functionality, I have tested all of the knobs and sliders and everything seems to work with the following exceptions;

1. When the the Lower Voice wave shape knob is set to pulse wave and the Lower Voice "foot" control is in the 8' position, there is no sound from that oscillator. (The other oscillator on the lower voice still works).

2. The 3 position switch that controls the Upper Voice Vibrato is always on no matter what position the switch is in but the Vibrato sliders (Speed and Depth) still function normally.

Please note that you may find something else that is not quite right going on with this synth but considering it's age, I would say that over all it is functioning pretty well.

The synth has never been recapped and being almost 50 years old it is probably due for a complete capacitor change. This will undoubtedly fix the minor problems it currently has."

Monday, January 22, 2024

Yamaha CS80 w/ Factory Split Unison & Filter Mods

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


via this auction

Pics of the inside below.

"A very rare and desirable Yamaha cs-80 that was modified by the Yamaha custom shop to have split and unison as well as a "FG filter mod" controllable by the selector switch to sweep through preset filter stages. There are a lot of extra circuit boards in the synth for these modifications"

Sunday, January 21, 2024

THE STRANGEST 70's COMBISYNTH AND UNDERSTANDING IT - Buchla Music Easel -


video upload by LOOK MUM NO COMPUTER

"This is a video about A Recent Purchase I Probably Shouldn't have made. TIME TO TRY JUSTIFYING IT!!!! More projects with the music easel and future DIY buchla project.
for the nice 25 minute long song check it here and useable sounds from the direct uncut demonstration recordings! :- https://www.patreon.com/posts/paintin...
Patreon is a massive enable to making videos, the larger DIY projects would be a lot more strung out without it! so i cant thank my supporters enough."
---
On a related note, check out The Buchla Archives posted here.

Friday, January 19, 2024

Roland GR-500 Guitar Synthesizer with GS-500 Guitar and 24 pin cable

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


via this auction

Two pics of the of the GR-500 inside below.

""Listed here is the flagship of the legendary pre-MIDI, all analog guitar synthesizer systems; The Roland GR-500 synth and GS-500 guitar.

This listing includes the Roland GS-500 guitar controller, The Roland GR-500 Synth module and a factory 24pin cable.

The GS-500 guitar is in Very Good condiction with all of it's original electronics, including the hexaphonic pickup, synth controls and 24pin connection to the GR-500 synth module. The gutiar hasn't been modified at all (as far as I can tell). The original pickups are intact as are the string isolators which are essential for the mulichannel infinate sustain system to fucntion. There are a few -very- small scrapes and dents as one might expect from a guitar from 1978... but overall it looks like this insturment wasn't used heavily and it looks great.

The GR-500 synth itself has recently been serviced (2023). It just got entirely re-capped (capacitors replaced)s, power supploy serviced, and several of the chips were changed from soldered to socketed.

Almost all of the features of the synth work well. The Guitar, PolyEnseamble and Bass sections work exactly as you'd expect them to. The PolyEnsemble and Bass sections are remarkably cool. Being able to play fully polyphonic chords on an anlog guitar synth is just a beautiful thing.

The Solo Melody section, however, is currently not functioning quite correctly. Right now the pitch of the Solo Melody section does not track the pitch of the guitar correctly, and the amplitude detection in this section doesn't seem to be tracking correclty either. I am not sure what the issue is, but two techs have suggested that this section may just need to be properly calibrated and the instructions for this procedure can be found in the service manual which is readily available. I regret not having the time in my life right now to address this issue as it may be quite minor, but I just can't say what this issue is for sure and I wanted to be totally up front that this issue exists.

So we have this remarkably, unique and rare set of GR-500 and GS-500 where the gutiar is in really nice shape, and the syth has recently been serviced and cleaned, but does have some issues with the Solo Melody section."

Thursday, January 18, 2024

Roland Jupiter-8 w/ JL Cooper Patch Expansion Mod SN 292989

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


via this auction

Pics of the inside below.

"Had it serviced earlier this year, my excellent tech replaced the battery with a housing that allows for future battery changes without soldering and did some major cleanup, recapping and pot replacements where they was needed. All in all he did about $2000 in repairs. No midi but will include Doepfer din/sync box and cables. Works absolutely beautifully, and in unconfirmed rumors I was told by the person I bought it from in 2012 that it once belonged to John Taylor. Has patch expansion built into it and all original presets in bank b."

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