J3RK

258j Dual Oscillator, Dual VC Bandpass Filter, J3RK 291 Bandpass Filter (Clarke Panel), FadeX and Fadex Large are among J3RKs most popular products.

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Modules

J3RK 291 Bandpass Filter (Clarke Panel)

J3RK 291 Bandpass Filter (Clarke Panel)

J3RK

DIY VCF module based on Buchla 291. PCB designed by J3RK . Panel designed by Clarke.

$155 MSRP
10 HPFilter
258j Dual Oscillator

258j Dual Oscillator

J3RK

Buchla 258 Clone with Clarke68 panel

$500 MSRP
26 HPOscillatorDual/Stereo
Fadex Large

Fadex Large

J3RK

Fadex Large

$199 MSRP
8 HPExternal
FadeX

FadeX

J3RK

4HP version

Discontinued
4 HPMixerPanningVCA
Dual VC Bandpass Filter

Dual VC Bandpass Filter

J3RK

dual buchla 291 bandpass filter

20 HPFilterDual/Stereo
Dual Mirror Core VCO

Dual Mirror Core VCO

J3RK

Dual Mirror Core VCO

$695 MSRP
36 HPOscillatorDual/StereoFrequency DividerLogicVCAWaveshaper
Ultraflop

Ultraflop

J3RK

DIY j3rk sequencer with Clarke panel

30 HPSequencer
Dual Ultrafade VCO

Dual Ultrafade VCO

J3RK

Dual Ultrafade VCO

32 HPOscillatorDual/Stereo
258J Dual Oscillator - red knobs

258J Dual Oscillator - red knobs

J3RK

Buchla 258 Clone with Clarke68 panel, and red Buchla 200 Rogan knobs

$500 MSRP
26 HPDual/StereoOscillator