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via this auction
"Korg Polysix Keyboard Synthesizer w/Kenton Midi. I had this serviced last year. Tuned and original patches added. Original owner installed the midi and moved battery off of PCB. Corners of the casing have damage as pictured. Will be shipped in original case."
Tuesday, April 30, 2019
YOCTO 808 V1 ANALOG ROLAND TR-808 DRUM CLONE
Note: Auction links are affiliate links for which the site may be compensated.
via this auction
"Yocto-808 Rhythm Composer, designed by German company Elicktronic as a faithful recreation of Roland’s legendary TR-808 drum machine! This unit is in beautiful cosmetic condition and VERY GOOD working condition. This unit features the Elschtroumph metal enclosure and looks fantastic. Shows just some general light wear and a bit of dust... A few notes regarding this unit: Firstly, to my ear, the Bass Drum Tone knob does not affect the bass drum tone in any way. Second, the Hand Clap sound needs to be properly tuned; to my ear it is very harsh as it is and does not sound anything like a hand clap. It does not sound like the Youtube demos of the Yocto. (The maracas sound fine.) Finally, the Cymbal sound also needs to be tuned, as it is very harsh to my ear; the tone knob does change the tone, though very slightly. Would I still use the hand clap and cymbal on a track? Yes. They are serviceable. Just not true to the original TR-808. With all that said, the unit otherwise preforms beautifully."
via this auction

Roland TR-606 Drumatix Analog Drum Machine SN 207890
YAMAHA CS-15D Vintage Monophonic Analog Synthesizer Keyboard SN 2915
Sequential Circuits Pro One w/MIDI
Malekko Manther Growl Now Shipping
Manager Growl growls! The harshness is from the wavefolding being switched from triangle, to all (fold signal post-filter). Now shipping! 💥 pic.twitter.com/KOO3U2i1wk— Malekko Heavy (@malekkoheavy) April 30, 2019
"$499.00
MANTHER GROWL is a full featured, Eurorack monophonic synth voice with an analog signal path, and like the Manther Tabletop, it includes a coveted CEM3340 VCO IC chip. The analog filter is based on an SSM2044 chip. Square, Saw and Triangle waveforms have their own individual level controls (manual control as well as CV jack inputs), as well as their own individual outputs. Wavefold control can be set to Tri or ALL (folds all waveforms and external input post-filter). Dial the independent LFO level controls to modulate pitch, pulsewidth and filter cutoff. Also includes manual controls over both VCA and filter ADSR and both the VCA and filter have individual gate inputs. MORE DETAILS BELOW!
NOW SHIPPING TO DEALERS AND AVAILABLE FRIDAY!"
Bionic Lester MK1 : Feedback audio demo
Published on Apr 28, 2019 Robotopsy Robotopsy
"Just some explorations with the feedback."
Noise Engineering Subtractive Patch
Published on Apr 30, 2019 Noise Engineering
"Companion to the blog post -1 to Talking: the Subtractive Voice
See more at https://www.noiseengineering.us/blog/...
Two Sinc Iters through an IME Polivoks filter and 2hp VCA, modulated by a pair of 2hp ADSRs, sequenced by Horologic Solum/Mimetic Digitalis/Bin Seq.
.-- .... .- - - .... . ..-. ..- -.-. -.- .. ... .. - . .-. .. - .- ..."
WTF is a Waveplane? Dove Audio Oscillator Explanation
Published on Apr 30, 2019 DivKidVideo
"So WTF is a Waveplane? Well the WTF (window transform function) and the Waveplane are both oscillators from Dove Audio that work with wavetables in the Eurorack (and MU/5U) formats. Here's an explanation of the how these two oscillators work to highlights the differences between the two and show how they both work.
Waveplane is currently on Kickstarter check it out with more videos and content here - http://bit.ly/waveplane"
Dove Audio Waveplane Oscillator *FIRST PATCH* // Eurorack Drones
Published on Apr 19, 2019 DivKidVideo
"Here's my first patch with the Dove Audio Waveplane Oscillator. It's droning away under modulation with the WTF Oscillator playing a melodic line against the drone. Plenty of FX but I take those off and show the Waveplane raw before building up the patch again."
New Make Noise X-PAN
Published on Apr 30, 2019 MAKEN0ISE
"X-PAN is a compact and powerful 5 channel Voltage Controlled Stereo Mixer with Low Noise and High Headroom allowing for creation of complex panoramic audio imagery in just 10hp.
X-PAN is highly responsive to control signals allowing for exploration of the fluctuating stereo sidebands possible with Audio Rate Crossfading and Panning. X-PAN is Direct coupled for use as a CV Processing and Routing toolbox.
X-PAN consists of two full featured Channels and one simpler Channel. The top two Channels each have voltage controlled cross-fading and panning while the third Channel is a stereo aux input with stereo VCA. All three Channels are combined together at the stereo SUM outputs.
-5 signal inputs all routed to a dynamic stereo output
-Fully Voltage Controlled Panning, Cross-fading and Mixing
-Easy to maintain signal integrity with high headroom, low noise circuitry
-Highly responsive to all control signals including Audio Rate
-Audio Rate crossfading and panning, fluctuating stereo sidebands
-Aux Stereo Inputs controlled by Stereo VCA with Combo Pot
-Direct Coupled for use as Complex CV router
-Pairs well with QPAS and Morphagene
Width: 10hp
Max Depth: 30mm
Power: 145mA +12V
110mA -12V
MSRP: $259"
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© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH