★ SuperRare! ★ Siel EX8500 (Italy, 1985) Analog Synth Expander Module with 2 SoundCards & Documents!

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You can find a demo of one here.

"super rare and vintage Siel EX8500 (made in Italy in 1985) midi synth expander with original power supply and 2 original sound cards (100 Siel DK70 + Siel DK80 additional sounds!)! It comes also with original printed manual and original documents!

The Siel EX8500 is a polyphonic synthesizer with voice assignement containing 8 complete and individual synth modules (termed voices or channels). The instruments is provided with:

- 8 Oscillators (D.C.O.)

- 1 Pink Noise Generator

- 9 V.C.A.'s (8 for the DCO's and one for the noise generator)

- 1 24db / octave low pass Voltage Controlled filter (V.C.F.)

- 9 digital envelope generators (D.E.G.)

- 2 low frequency oscillators (L.F.O.)

- 1x SSM 2045 resonant low-pass filter (Sequential Circuits type filter)

- Analog Chorus (bbd based)

- Sequencer (polyphonic, 300 note)

- Full MIDI implementation

- Mono and Stereo outputs"

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Elka Solist 505

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"Everything works except 2 preset buttons, you can see them in the last photo. Thick and sweet sound."

You can find demos of the Elka Solist 505 in previous posts here.

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Roland TB-303 Bass Line Synthesizer + Carry Bag + PSU's

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"The TB-303 is in a really good shape. No damages on the plastic housing, clean battery compartment no scratchy pots. The only blemish is on the cover. There was a scratch that has been over painted. The TB-303 is equipped with a Sequentix Midibass midi interface. This modification is nondestructive and can be removed easily. Buyer will receive the original parts that has been removed to fit in the midi interface. I believe the Midibass is the best midi mod out there because it keeps the original functionality and feel of the TB-303 and just adds midi capability. The new owner will receive the original Roland carry bag and two original PSU's for EU and US voltage."

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[tutorial] Blofeld Beginners 13: Binary Modifiers

Synthesizer Video Service

"In video 13 we are talking about binary operations which you can do with the modifiers. Binary calculations can be hard to understand when you don't know them yet. But in this episode, I try to go pretty much into detail."

You can find all parts in this series of Waldorf Blofeld tutorial videos by Synthesizer Video Service here and additional Blofeld videos by Synthesizer Video Service here.

MIDIPHY LOOPA - Review // A surprising little MIDI looper and sequencer

loopop

TIMELINE:
0:00 Intro
1:30 Connectivity
2:30 This setup
3:30 Overview
5:00 Scenes
5:45 DIY vs builders
6:55 Track setup
9:00 Clip setup
9:30 Step seq
11:30 Drum seq
12:30 Live recording
13:05 Autoloop
15:30 CC seq
17:20 LiveFX
18:20 Beat loop
19:25 Transpose
20:30 Misc features
22:15 Pros & cons
26:20 Outro jam

IO-Lights Demo

instruments of things

"IO-Lights is really easy to use. Just plug it to your computer or smartphone via USB and start playing MIDI notes. For control change message, switch to MIDI-CC mode and map some parameters. You want to connect IO-Lights to your hardware synthesizer? Then simply use an additional USB MIDI host (e.g. your computer). Have fun!"

See this post for additional info.

Endorphin.es Spaceship | Episode 04 | Configuring Shuttle Control

Cinematic Laboratory

"One of the most powerful modules in the Shuttle System is the Shuttle Control. It converts midi and external controller information to CV. It supports separate mono voices, but it can also be configured to controlling a maximum of eight polyphonic voices. Since most of us have eight oscillators in our rig I've created a configuration file where preset 7 & 8 support duophony (for the Furthrrr Generator or your DPO) and a three voice polyphony setting for a bigger system. I can basically run all my cases and modules with these presets."

Johann Sebastian Bach: Invention No. 1 (Synthsunday 2020-12-20)

Synthfluencer

"I play Bach's Invention No. 1 on two analog synthesizers: 1979 Yamaha CS-5 (lead voice) & 1983 Vermona Synthesizer (bass accompaniment). Some effects added by Yamaha MODX."

Elektron Digitakt, Korg MS20 & DSI Pro 2

3rdStoreyChemist

Winter QasarBeach (Fairlight CMI)

QasarBeach

"A short demo of "QasarBeach CMI IIz" 1.29. QasarBeach a complete Fairlight CMI recreation complete with user interface and functionality of the original hardware, while adding many useful improvements making workflow much faster and intuitive. V1.29 add more Series III like functions.

You can download QasarBeach here: https://adamstrange.itch.io/qasarbeach"