BASTL INSTRUMENTS KASTLE ARP DESKTOP MELODY SYNTH

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"We say...
A pre-owned Bastl Instruments Kastle ARP in excellent condition. It comes with original packaging and accessories.

Manufacturer's description
Kastle ARP is a unique modular melody generator based on a quantized sine wave oscillator with a digital waveshaper.

The pitch selection employs straightforward concepts to unleash surprising intricacy. The quantized oscillator ensures it is always in tune, and its pitch can be selected using the NOTE and CHORD inputs. The decay envelope adds variation by occasionally skipping pitches before retriggering. The timbre control allows you to blend between noble sine waves and 8-bit chip-tunes.

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Syd and I – Live 3 song Synth-Pop Set [Resident Electronic SF]

video upload by Saul Stokes

Another one in via supporting member Saul Stokes.

"Experience a live, fully hardware synth-pop set from Syd and I, recorded at Resident Electronic (Noisebridge) on Capp Street in San Francisco. Syd and I are a father/daughter music duo composed of Saul Stokes and Sydney Stokes. This performance features our unique blend of nostalgic synth production, positive electronic vibes, and contemporary melodic vocals. Special thanks to Jah's Tin (Resident Electronic Host and Musician) for capturing all the video angles as well as excellent quality audio.

00:00 - Intro
00:05 - 10th of a Second
05:11 - Be Somebody
10:01 - Skinned

Everything you hear is performed live using a 100% battery-powered, DAW-free hardware rig Stokes designed. The rig consists of:

Novation Circuit Tracks
1010music Blackbox
Bastl Stereo Mixer
Korg NTS-3
Dexed DX7

If you want to see an equipment close-up, head over to this short:"

Syd and I equipment overview. #novationcircuit #1010blackbox #dexed #modelcarbon8 #korgnts3 #bastl

video upload by Saul Stokes

"If you’re a fan of artists like Sylvan Esso, CHVRCHES, or Robyn, you’ll feel right at home with our sound."

Bastl Alchemist Ingredients (patches) - No Talking

video upload by The Cable Clan

"Very versatile little contraption, especially considering the price point.

Watch us create a Homunculus or maybe even gold from the sheer power of musical energy and love 💕

Features:
Digital synth with 5 modes
filter
fm
hypersine
supersaw
glitchnoise

Dual Fx section (delay/chorus/flanger/distortion)
4 oscillators"

Bastl Citadel Alchemist - inkl. Transformation to Wave Bard (sound.report english)

video upload by Heiner Kruse - The Green Man(TGM) - sound.report

Timestamps
00:00-05:32 Alchemist and its Synth modes, explaiining how to create sequences
05:32-06:53 Webapp and Firmware Change
06-53-09:32 Wave Bard explanation
09:32-11:20 Musical example with Knobula Monumatic, Vermona Melodicer, Forge TME VHIKK X

Exploring the Hexinverter / Erica Synths Mindphaser | Drone Sound Study

video upload by synthetic theory

"Yesterday was Drone Day and technically I'm one day late, because I didn't finish the post-processing in time. But anyway: this felt like the right moment to share something a little different.



I'm currently expanding my rack and learning how to operate a few new modules properly. One of them is the Hexinverter / Erica Synths Mindphaser. At first, I honestly wasn't completely convinced. I tried it, struggled to find the right tones, packed it back into the box and was already planning to send it back.



But then I gave it one more evening.



Instead of judging it too quickly, I tried to understand how it actually works. I slowed down, explored the interaction between the oscillators, the modulation paths, the waveshaping, and the strange areas between tone and chaos. And then the potential suddenly became clear.



Some modules simply need more attention. They have a learning curve and they don't always reveal themselves immediately. But once you reach that point of understanding, they can turn out to be real powerhouses.



So this is not one of my usual performance videos. It's more of a slow exploration: a drone-focused sound study with the Mindphaser at the center, sometimes shaped by effects, filtering, gates, and modulation.

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Ribbon Freaks

video upload by Ebotronix

Arturia ,Minifreak, Microfreak, (2x),
Doepfer R2m,( 3x),
Mutable Instruments Midipal,(3x),
Line6 DL4 Mk 2,
Hologram Electronics Microcosm,
Strymon Big Sky MX, in Dual Mono Mode controlled with
Midi CC by, 16n Faderbank, AtoVproject ,
Bastl Bestie,
Bhairav Scale,
29.05.2026
video# 2638

Bastl MicroGranny 2 Desktop Granular Synthesizer

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

via this listing

Additional Perfect Circuit listings

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The BASTL Kalimba Synthesizer is completely unique and very cool

video upload by David Hilowitz Music

Superbooth 2026: Twelve Things That Actually Caught His Eye

video upload by SynthDad

"Superbooth 2026 just wrapped up and here are the things that caught my eye over the week. As always there was way more to see than I could cover, so this is just my personal highlights from what I got to spend time with.

Let me know in the comments what stood out for you this year, and if there's anything you want me to do a deeper dive on in a future video.

Timeline:
00:00 Introduction
00:20 Elektron Outbox
01:26 Boredbrain Xcelon SL mixer
02:01 Ohmforce Bohm new kick model [& new Ohmni]
03:09 Quray gesture controller
03:38 Mimu glove controller
03:56 Making Sound Machines Plinky Chords
05:00 Bastl Kalimba
05:48 Enjoy Electronics Memento
06:58 Shakmat Queens Court
07:46 Neuzeit DROP new volume rings
08:08 WMD Cosmic Debris
09:03 Xaoc new modules
09:33 Thanks again!
09:51 Live performances"

The Story of Bastl Kalimba

video upload by Bastl Instruments

"Bastl Kalimba is our most ambitious project to date. It took us more than 3 years with countless redesigns, deep development and great people to make it a reality.
Bastl Crew 4ever ❤️
Big thanks to Oliver Torr, HRTL and Never Sol for being part of the story!

Get Bastl Kalimba Through Kickstarter now at early bird prices.
https://www.kickstarter.com/projects/..."

...and the result couldn't be better ❤️ #synth #sounddesign #electronicmusic #kalimba
video upload by Bastl Instruments

See the announcement post here, and additional posts here.

May Phrygian Soundbath

video upload by Ebotronix

Expressive E Osmose,
Haken Audio ContinuuMini,
Waldorf Protein,
Akai Max 25,
Line6 DL 4 Mk2,
Hologram Electronics Microcosm Special Edition 2024,
Strymon Big Sky MX,
controlled with Midi CC by, 16n Faderbank, AtoVproject ,
Bastl Bestie,
Phrygian Scale,
08.05.2026
video# 2634

Sounds from Superbooth 2026: Bastl Kalimba

video upload by Perfect Circuit

Bastl at Perfect Circuit

BASTL Kalimba - Superbooth 2026

video upload by True Cuckoo

Currently $409,806 pledged of $52,870 goal on Kickstarter for those interested.

Bastl Kalimba! A fun new instrument at #Superbooth 2026

video upload by CatSynth TV

"A brief demo of the new Bastl Instruments Kalimba. This prototype is very playable as both a traditional kalmbia and a synthesizer with scales, microtuning, and an arpeggiator.

Our pal Zip gets into the action a bit."

Patreon: / catsynth | https://shop.catsynth.com | https://ko-fi.com/catsynth

Bastl Introduces Kalimba - Physical Modelling & FM Kalimba Synth

video uploads by Bastl

Playlist:
1. Bastl Kalimba: An Expressive Instrument for Intuitive Electronic Music Exploration
2. Bastl Kalimba - Demo Overview
3. Bastl Kalimba is such a fever dream - HAINBACH
4. WTF did they make? Bastl Kalimba! - ANDREW HUANG


Press release follows:

Bastl Instruments are very proud to announce the release of their new instrument - Bastl Kalimba, a unique desktop instrument that combines microphones, touch sensors, and an accelerometer, with a user interface inspired by the traditional kalimba and its main interaction element: the tines.

We believe that this combination of features and physical interface leads to intuitive creativity and easy musical expression.

Just play it, you already know it.

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Granulation

video upload by Ebotronix

Waldorf Iridium, Protein,
Endorphines Evil Pet,
Roland Aira S1,
Haken Audio ContinuuMini,
Torso S4,
Eventide H 90,
Hologram Electronics Microcosm Special Edition 2024,
Strymon Big Sky MX,
controlled with Midi CC by, 16n Faderbank, AtoVproject ,
Bastl Bestie,
Keith McMillen K-Board MIDI-Controller Galaxy, Midi Expander,
Intuitive Instruments Exquis,
Korg Nano Control,
Eb Minor Scale,
29.04.2026
video# 2633

Bhairav Sphere

video upload by Ebotronix

Moog DFAM,
Ferrofish B 4000+,
Waldorf Protein,
Doepfer R2m,
Mutable Instruments Midipal,Veils, Yarns, Peaks,
Ornament & Crime,Shades,
Hologram Electronics Microcosm Special Edition 2024,
Strymon Big Sky MX, in Dual Mono Mode controlled with
Midi CC by, 16n Faderbank, AtoVproject ,
Line6 DL 4 MK2,
Bode Frequency Shifter,
Lab4 Enjoy,
Bastl Bestie,
Bhairav Scale,
22.04.2026
video# 2631

Endorphines evil ~ live pet ~ MPE

video upload by Ebotronix

Endorphines Evil Pet
Expressive E Osmose
Haken Audio ContinuuMini
Line6 DL 4 mk2
Bastl Bestie
Strymon Big Sky MX
16n Faderbank, AtoVproject
13.04.2026
vid # 2626

Déjà vu: Flexible Fader Control for Audio & CV│Bastl Instruments

video upload by Bastl Instruments

"Bastl Déjà vu is a Swiss knife for your Eurorack System that adds fader control to your modular system for many scenarios. It stands out as a simple yet powerful utility module that can do crossfading, mixing, signal boosting, voltage processing, attenuation or attenuversion. All that in 4HP and with the possibility to chain several of them to mix even more signals."



Powerful Voltage Utility module for voltage processing, attenuation, signal boosting, crossfading, and mixing

Déjà vu adds fader control to your modular system and it stands out as a simple yet powerful utility module that can do voltage processing, mixing, attenuation, attenuversion, signal boosting, crossfading and mixing.

All that in 4HP and with the possibility of chaining several units to mix even more signals.

SWISS KNIFE FOR YOUR RACK

Déjà vu has two almost identical channels A and B. Each channel has the FADER input and the ADD input and an output with light indication. The FADER MODE switch alters the behavior of the module, either attentuating or attenuverting the FADER input where the ADD input will be added to the processed FADER input. The last option is crossfading between the FADER Input and the ADD input which is great for creating performance oriented macro controls.

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BASTL Instruments Thyme+ w/ Original Box

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

via this Reverb listing

Additional NOISEBUG Listings

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