Ljunggren Audio makes Do It Yourself kits for modular synthesisers in Eurorack A-100 compatible format under the name Roll Your Own or RYO.

Optodist, Penta, 3xVCA, Aperture and Ampmix are among RYOs most popular products.

News from the Labs

  • RYO Penta RYO  Aug 22nd, 23:09
    Now heralding the return of RYO, the penta is the first of the pcb+panel sets to be available as exclusive diy options from synthcube! 
  • RYO  Aug 22nd, 23:05
    RYO has returned in the form of diy pcb+panel sets exclusively available from synthcube! 

VC Sequencer

RYO

8-step bipolar CV sequencer with voltage controlled stage addressing

$168 MSRP

Optodist

RYO

Voltage controlled vactrol distortion/overdrive with LED limiter

$100 MSRP

Ampmix

RYO

4-channel mixer/attenuator with 2.0x gain and 5V offset

$75 MSRP

Vertmix

RYO

3-channel bipolar mixer/attenuator with 5V offset (currently out of production)

$57 MSRP

Trig Xpander

RYO

Trigger/Gate expansion for the RYO VC Sequencer

DTSwitch

RYO

Dual bi-directional switch with manual tactile or trig/gate controlled switching

Dual Discrete NAND/AND

RYO

Dual discrete resistor-transistor NAND/AND logic gate

$96 MSRP

Dual Discrete NOR/OR

RYO

Dual discrete resistor-transistor NOR/OR logic gate

$96 MSRP

Discrete XNOR/XOR/NOT

RYO

Discrete resistor-transistor XNOR/XOR/NOT logic gate

$114 MSRP

3xVCA

RYO

3x linear dc-coupled precision VCAs

$80 MSRP

Paths

RYO

Cycling Sequential Switch

$120 MSRP

Aperture

RYO

Resonant Vactrol VCF/VCA

$125 MSRP

Penta

RYO

5-Step Voltage Sequencer

$70 MSRP

2xVCX

RYO

Dual VCA / Crossfader / Four-Quadrant-Multiplier

$170 MSRP

Paths - Grayscale panel

RYO

Sequential switch

$120 MSRP

Altered States

RYO

Dual state-variable filter

$285 MSRP