Nyborg 24

Nyborg 24

Above price excludes Tax/VAT (£718.80 inc. VAT)

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**** Wood & rack ears are now discontinued ****


Key Nyborg Features

  • Full rugged steel/aluminium case – no plastic mouldings.

  • Hand built in Great Britain.

  • Good quality smooth potentiometers, fully sealed against dust

  • Good quality knobs with spun aluminium caps

  • High grade double sided circuit board

  • High Quality 16bit DAC for MIDI-CV conversion

  • Very stable MIDI to CV

  • Very stable analogue oscillators

  • Hand built by humans

  • True retro analogue voice and modulation circuits to give an authentic retro sound


Nyborg 12/24 Differences-

12 = has the Telemark synth’s “oberheim SEM” style filter

24= has the Leipzig synth’s “Moog” style filter

All else is essentially identical. Which filter / sound to choose? They are both amazing. Choose either and you will be happy.

Why not buy both? Then rack them side by side with the optional rack kit.


Transistor ladder 24dB/Octave low pass filter with extensive modulation choices

Specification and Modulations Possibilities…


VCO1Tune, Octave, PW Mod, FM Mod, Manual PW, Mod Source, Saw out,
Pulse out, Sync, Free Run

VCO2Tune, Octave, PW Mod, FM Mod, Manual PW, Mod Source, Saw out,
Pulse out, Sync, Wide Range

VCFfilter, Variable Notch filter. Cut-off, Resonance,
Modulation Amount, Mod Source, MIDI Mod, Resonance Boost

EG1ASR envelope with trigger LED

EG2ASR envelope with trigger LED

LFOSpeed, Output Mode (Square, Triangle, Velocity CV, S+H)


SUB OSCMinus one octave, taken from VCO1

SAMPLE & HOLDFor random modulation effects

MIDI TO CV CONVERTER16 bit high resolution with auxiliary controller CV2 output

Rotary controls, Rotary switches
and Push buttonsLEDsJack socketsMIDI Sockets229143x 6.35mm, 5x 3.5mm2



POWERExternal AC mains supply

ACCESORIESMains adaptor

MIDIIn, Thru

AUDIO / CV CONNECTIONSAudio Out, Ext1 (CV or Audio), Ext2 (CV
or Audio), AC power in, MIDI IN, MIDI THRU





Nyborg is a compact analogue synthesizer. Analogue –  as in really analogue. Aside from the MIDI chip (which has to be digital), everything else is totally analogue using real transistors and op-amps. There are no CPU stabilised and quantised circuits, no DCOs, no digital LFOs and no digital EGs, as found on other so called analogue synths. The circuitry is based on designs dating back to the mid-1970s. So Nyborg has a genuine old sound.

Audio Applications


Nyborg is for use any time you need analogue sound effects, fat basses, screaming leads, beeps, tones, zaps, and all the other crazy sounds associated with analogue synthesis. Use in place of your boring digital synths and DSP soft synths.


Nyborg has an audio input socket, so you can feed external sounds through the on-board analogue filters for analogue processing.


Nyborg is able to produce electronic percussion – kick, snare, hihats, cymbal, etc.


Nyborg is pre-patched – but has such a wide range of modulation routing possibilities that it is almost as versatile as a modular and can produce the same types of sounds, without the mess and confusion of cables. It has some patch sockets that enable you to connect it to an external modular.


MIDI (DAW Use) or CV & Gate?

This unit can be used with a MIDI keyboard (or DAW, or sequencer) or you can use it with an analogue sequencer, such as Oberkorn.

It can also be used by MIDI and CV at the same time! So you could have an analogue step sequencer such as Oberkorn playing a little melody, then using a MIDI keyboard (or MIDI sequencer) transpose the Oberkorn sequence.

Circuits Included


There are two VCOs – each providing a wealth of features and modulation choices.

Controls include: TUNE, OCTAVE, MODULATION depth and destination, MOD. SOURCE (EGs, VCO audio, External CV, LFO), manual pulse WIDTH, VCO Sync

Low Frequency Oscillator

The LFO has triangle and Square wave modulation signals. The MODE switch can also be used to route Sample And Hold or CV2 (velocity) signals to the VCF and VCOs.


Nyborg uses a 2 pole 12bB per octave multimode filter. What does this mean? It uses the same filter as the legendary Telemark synth, which is similar (but not the same, having its own character) to the old Oberheim SEM. The filter is actually four types in one. Low pass, Band pass, High pass and Notch filters.

Controls include: CUTOFF, RESONANCE, MODULATION depth (- and +), MOS.SOURCE (EG, LFO, VCO audio, External CV), KEY voltage, CV2 voltage (velocity), NOTCH high/low, FILTER TYPE (high, low, band, notch).


Audio choices are the Saw or Square wave of each VCO, Noise or, for added fatness, Sub-Oscillator.


The VCA can be controlled from Gate or Envelope. It can be set to BYPASS so it is always ‘open’. This allows Nyborg to be used as an effects processor. Finally there is a CYCLE option. This sets the envelope to be constantly re-triggered by the LFO allowing for hands-off sound effects.


There are two EGs – each having control over ATTACK, SUSTAIN, and combined DECAY/RELEASE.


Great thought has been placed into modulation route choices, allowing a wide range of sounds to be produced, including percussion and ‘modular’ style sounds.


MIDI is intentionally kept simple – so you can concentrate on making new sounds and making music – not getting tied up with SYSEX programming.

You get the all important control over filter cut-off using MIDI Velocity (or a MIDI controller).

External CV Control Sockets

Nyborg can be controlled via an external analogue sequencer, such as Oberkorn, using the top panel CV sockets.

There are pitch CV sockets for each VCO PITCH1 and PITCH2, filter CUTOFF, GATE (to trigger the EGs), EXT (to feed an external CV to various circuits).

Also, on the rear panel are two spare 6.35mm big jack sockets. Using these you can route external audio through the filter. Set the VCA to BYPASS and use Nyborg as an effects processor!

Mounting Options

Nyborg can be orientated and configured in several ways;


As standard, it comes as a vertical desktop unit just like it’s big brother Telemark.


It is possible to reconfigure it so that it is a flat table top unit, like its cousin Leipzig-S is. This requires some minor screwdriver work.


Two (or more!) units can be bolted side by side. And of course you can also fit the optional wood sides to these, or, reconfigure them to be horizontal flat units.


Two units can be bolted together (like above) and then you can also fit the optional rack ear brackets, and rack mount the whole assembly.

**Note: Wood side panels are discontinued.