Hexinverter MUTANT Bassdrum, Clap, Hihat Kits

ALSO CHECK OUT THE NEW MUTANT HOT GLUE KITS HERE!

The Hexinverter.net Mutant Drums range are partial DIY Kits which currently consists of:

• Bassdrum – Mutant 808 Kick
• HiHat – Mutant 808 Hihats
• Clap – Mutant 909 Clap

The Mutant drums are modern hi-fidelity mutants of old classics with extensive CV control capabilities.

If you want a demo of the places the Bassdrum and HiHats can go, you can’t do much better than to check Surgeons recent live Modular Boiler room set which has heavy use of both.

Knobs are not included. We stock the suggested knobs for these Panels here -> white 1900h type.

The Clap set includes 6 items:

1. Metalphoto 2 colour Aluminium Panel
2. PCB set (3 boards)
3. Two 4006 IC Chips
4. All long pin female headers required

All other parts to be sourced by customer – Clap BOM and build notes here

The Bassdrum set includes 4 items:

1. Metalphoto 2 colour Aluminium Panel
2. PCB set (2 boards)
3. All Vactrols required
4. All long pin female headers required

All other parts to be sourced by customer – Bassdrum Mouser BOM and build notes here

The Hihats set includes 6 items:

1. Metalphoto 2 colour Aluminium Panel
2. PCB set (3 boards)
3. All Vactrols required
4. All long pin female headers required

All other parts to be sourced by customer – Hi-Hat BOM and build notes here

Clap Primary Features

Just like the other Mutant Drums, the Clap is a highly versatile module. It is actually a voltage controlled LFSR noise oscillator as well as a powerful percussion synthesis engine!

• Feature-rich, analogue handclap percussion synthesis reminiscent of the 909
• Pitch control of noise generator means you can create everything from vanilla 909 claps to broken, chiptune-like alien sounds
• Doubles as a voltage controlled, Commodore64-sounding noise VCO via the NOISE output and PITCH CV input
• SUSTAIN control lets you crank up the clap’s sustain and use the module as an abstract synth voice with external inputs!
• External input allows you to synthesise claps from virtually any sound source you plug in
• Built in internal reverb effect derived from clap tone
• Reverb decay forms the decay of the clap sound, and is fully voltage controllable from short reverb “snaps” to long, whooshing tails!
• You can select between internal and external noise sources as the source for the reverb sound generation, opening up really interesting sounds
• DRIVE control lets you dial in anything from clean to extremely overdriven sounds
• Bandpass filter cutoff control

Bassdrum Primary Features

It’s really two modules in one: a totally unique analogue bassdrum and a voltage controlled distortion module! (with the same topology as batteryACID!)

• analogue bassdrum circuitry capable of vanilla TR-808 sounds
• built in voltage controlled distortion (batteryACID distortion)
• distortion accepts external inputs when not being used with kick drum (great for acid synth leads)
• voltage control of distortion amount
• voltage control of decay from short kicks to long “ooooooooomphs”
• voltage control of pitch (approximates v/oct response, but not musically tuned)
• non-invasive analogue optocouplers used for voltage control, thus, completely vintage sounds can still be had if that’s what you’re after!
• completely redesigned, hi-fi signal chain spares no expense by replacing cheap transistor amplifiers with low noise opamp equivalents
• you can dial in super hot, modular level output levels (up to 20Vp-p!)

Hihats Primary Features

While the internal noise generator is based on the metallic noise generator in the 808, you can plug virtually ANY sound source into the EXT input and make all sorts of cool hihats!

• analogue hihat circuitry capable of synthesising vanilla TR-808 open and closed hihat sounds (simultaneously)
• external audio input lets you synthesise hihats from virtually any sound source (Jupiter Storm, vcNOIZ, etc.)
• lo-fidelity original VCAs replaced by OTA-based modern VCAs
• VCA DRIVE control for each hihat allows you to dial in anything from soft metallic hihats to extremely overdriven, crunchy hihats
• Exclusive switch lets you select how the two hihats (open/closed) interact with eachother when triggered at the same time
• cutoff frequency control for internal resonant bandpass filter
• resonant filter can be switched on/off
• modular level mutual accent input (0-5V CV)
• trigger input accepts almost anything as a trigger signal
• non-invasive analogue optocouplers used for voltage control, thus, completely vintage sounds can still be had if that’s what you’re after!
• completely redesigned, hi-fi signal chain spares no expense by replacing cheap transistor amplifiers with low noise opamp and OTA equivalents
• – you can dial in super hot, modular level output levels (up to 20Vp-p!)

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