NRV

From electricity to sound

/ DIY music

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DualBenjolin

Feel free to inspire yourself as I did to make your own modules and share

The module presented here have been made using schematics inspired by Rob Hordijk.

BIG THANKS TO ALL THE DIY COMMUNITY !

Getting started

The Benjolin is a standalone synthesizer designed by Rob Hordijk from the Netherlands. It contains two oscillators (one LFO and one VCO), a voltage controlled filter and a circuit called a “Rungler”, which allows chaotic cross-modulation possibilities between the different parts of the circuit. Hordijk refers to the Benjolin as a circuit which has been “bent by design.” (Source : macumbista).

The Benjolin was my first ever DIY synthesizer and I made one first but the filter was not functional so I made another. Then I wanted to include it in my Eurorack system so I made a pannel for them and the result is this module.

Module

Modularization

Layout :

Layout

Schematics :

Schematics

Dimensions

Height : 128.50mm

Width : 141.90mm (34HP)

You can have all the dimensions here

Rack

Feel free to inspire yourself as I did to make your own modules and share

The case is 9U 84HP.

BIG THANKS TO ALL THE DIY COMMUNITY !

Getting started

I took the Doepfer DIY kit for power bus and alimentation block (Doperfer kit).

A usefull link when doing eurorack system is the Dopefer contruction details page.

Rack

Materials

Wood is 8mm thick plywood but it is a bit too thin so prefer a 10mm or higher for thikness.

It is better to take an exterior plywood for durability.

NsynthSuper

Feel free to inspire yourself as I did to make your own modules and share

BIG THANKS TO ALL THE DIY COMMUNITY !

Getting started

This synth is a Google open source project (NsynthSuper repo).

You can find populated and unpopulated PCBs here at Tindie.

x0x

Feel free to inspire yourself as I did to make your own modules and share

The module presented here have been made using a x0x heart kit from Synthcube.

BIG THANKS TO ALL THE DIY COMMUNITY !

Getting started

The module is constructed around the x0x heart and the pacemaker made by Open Music Lab

Module

CB55

Feel free to inspire yourself as I did to make your own modules and share

The module presented here have been made using a CB55 PCB (BOSS DR55 clone).

BIG THANKS TO ALL THE DIY COMMUNITY !

Getting started

The module is constructed around the CB55 PCB from circuitbenders.co.uk

Module

Mods

MODS

Dimensions

Height : 128.50mm

Width : 85.90mm (17HP)

DUAL-ADSR

Feel free to inspire yourself as I did to make your own modules and share

The module presented here have been made using schematics of AS3310 and ENVGEN8 from electricdruid

BIG THANKS TO ALL THE DIY COMMUNITY !

Getting started

Dual ADSR .... shape the vibes !!!

Module

Strip board ENVGEN8

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Strip board AS3310

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Be carefull, this is the top view, with components !

Dimensions

Height : 128.50mm

Width : 60.60mm (12HP)

You can have all the dimensions here

EVENTS

NRV Lives

All events I played in

La Girouette

La Bonne Nouvelle

1988 Live Club

Ubuntu La Bascule

Le Chantier

Warp Zone

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Rump'in Rennes

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