MATRIXSYNTH


Sunday, June 15, 2025

Roland JX-10 Custom Ambient Sounds (read description)


video upload by LFOstore

"We explored the older brother of whole JX
series - mighty JX-10!

It's like 2 JX-8P's in one keyboard.

As you may know this model is kinda unfinished and originally having no sysex or midi implementation.

If battery will die you will lost all your sounds and the only way to restore them - is to buy original or retro cartridge.

here: https://www.ebay.com/itm/335389922310

If you having such a cartridge you can easily
save soundsets on the synth and on the computer.

Even without Vecoven upgrade.

While we are waiting the cartridge replica, this video showing that we already started to make our, soundset.

Enjoy!"

Startone MK400 review: $170 beginner's keyboard with HIDDEN features


video upload by Floyd Steinberg

"The Startone MK400 (aka Medeli MK401) is a 61 keys 64 voice 16 part multitimbral keyboard with long feature list, including a sampler. It can record MIDI and audio directly to SD card and send audio over USB to your DAW. It also has some undocumented but powerful features that I briefly show in this video. My review of the MK300 still is one of my most popular videos with over 100.000 views - the MK300 is a go-to keyboard for kids who want / are encouraged by their parents to learn the piano because of its note stand, a good sounding piano patch and a sustain pedal plug. The MK400 is built on the same ideas, but adds a lot of functionality, upping the price to $170, which still is an incredible bargain.

Table of Contents:

00:00 introduction
00:57 unboxing, hardware overview
03:19 how does the piano sound?
04:26 sample yourself
05:01 stay in touch
05:59 keyboard splits
06:30 layering
06:47 Twinova (four handed mode)
07:12 harmony (one finger chords)
07:30 arranger functions: songs, styles and mixes
08:15 muting / unmuting tracks (and sidechaining)
08:52 midi and audio recording to sd card
09:01 daw integration: midi and audio over usb
10:25 playing a vst plugin synth (air opx4)
10:52 undocumented features: it can synth
12:29 conclusion
14:23 my demo track
15:06 bye

HÄLP ZIS CHANNEL
https://www.patreon.com/floyd_steinberg
https://floydsteinberg.gumroad.com/
https://floydsteinberg.bandcamp.com/"

Kawaii K5000 SN 598886 w/ Original Box

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


via this Reverb listing

Akai S6000 MIDI Stereo Digital Sampler SN 19915-00603 w/ Original Box

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


via this Reverb listing

"Akai's flagship model at the time.Fully equipped with expansion boards for all slots, including optional CF card reader, ADAT board, USB board, effects board, polyphonic expansion board, and memory expansion. Comes in a valuable original box.This is an optional item that is difficult to find today.Brackets included for mounting in a 19" rack.Parameter operation and data transfer/management from PC via USB. Waveform editing is also possible, and can be used as a digital MTR by taking advantage of the abundant inputs and outputs.The controller screen has some color blurring, but the contrast setting can be changed.Because of its multifunctionality, we have not been able to check all of the functions, but we have performed a basic operation check and found that it works without any problems.There is no floppy disk, so we cannot check the disk operation, but when a disk is selected on the screen, a sound is heard and it responds."

Vintage EDP Gnat Special SN 0082

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


via this Reverb listing

"This synth is very rare indeed. There were only about 100 made circa 1980/81. This one is serial number 0082, made of solid mahogany beautiful wood."

Akai AX80 Polyphonic Analog Synthesizer + Tauntek Firmware

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


via this Reverb listing

"Fully working unit, fat analog sound. Strings, pads, basses sound oh so good. Look at those electric blue cash register displays. Has been upgraded with Tauntek firmware for sysex patch backup/retrieval. And many other wonderful added features. Has new battery for long term patch memory retention."

Roland JP-8080 Virtual Analog Synthesizer

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


via this Reverb listing

"This is a Roland JP-8080 rackmount synthesizer module in excellent condition – a modern classic known for its powerful Supersaw waveform, lush pads, biting leads, and iconic formant filters. The JP-8080 was the rack version of the JP-8000 keyboard and became a staple of trance, house, and electronic production in the late ‘90s and early 2000s."

Roland SH-09 SN 138431 w/ Original Box

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


via this eBay listing

"The Roland SH-09 is a 37 key, monophonic analog synthesizer, featuring a single oscillator (saw/pulse/square waveforms with PWM), noise, resonant low-pass filter, ADSR envelope, LFO (sine/square/random waveforms), portamento, auto-bend and CV/gate I/O.

1980's Vintage Era Synth

Includes SH-09, Original Manual and some Custom Patch Sheets, Original Box ( no Interior)"

Yamaha V50 & SmplTrek v3.2 - Proper Cheese Jam


video upload by ChrisLody

"If you'd like to support the channel you can grab a 'Pay What You Want' album from my Bandcamp.
https://chrislody.bandcamp.com"

Yamaha | Montage M with PGX Controllers | Michael Feiner


video upload by Yamaha Synths Official

"In this live demo, Blake Angelos and music producer Michael Feiner explore Montage M in combination with two concept controllers: PG-ANX and PG-FMX.

Designed to bring deep, tactile control to the AN-X and FM-X engines, these units feature hundreds of dedicated switches and knobs — developed to enhance programming and performance on Montage M.

The PGX controllers are concept models created for Yamaha Synthesizers’ 50th anniversary.

Learn more in our deep-dive article: https://yamaha.io/3SCkek9"
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