Envelope Generator
AJH Synth MiniMod DH-ADSR Black

Regular Price: $389

$350

This product is currently discontinued.

Availability Low Stock

Envelope Generator Module
DH-ADSR ENVELOPE
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Description

The MiniMod DH-ADSR Envelope Generator is a compact 10hp wide Eurorack format module. It has been developed to offer a full ADSR envelope for the MiniMod system and of course other Eurorack synthesisers, as an alternative to the original Model D style contour generators which do not have separate Decay and Release controls.

The DH-ADSR uses exactly the same discrete transistor circuitry as the original Model D contour generators, so it retains all of the "punchiness" of the original, along with it's unique multiple key trigger behaviour; we have simply added a Release control so that it now offers a true ADSR envelope, and the Decay and Release curves can be individually controlled.

But we have included three exciting new features too:

Delay-Hold Mode which can generate very complex envelopes when mixed with another regular envelope generator output.

Retrigger mode which allows automatic re-triggering of the envelope, the Pre-Delay control sets the "hold off" time between individual retriggers, and the Hold control sets the gate length, so it can produce repeating ADSR envelopes, this has a very wide range and even be used as an LFO.

Slow mode, this switches the envelope down to 1/5th of regular speed, so slow, evolving envelopes are now possible too.

We have developed this module in response to requests from several existing MiniMod customers, they really wanted to have full ADSR envelopes but still retain the Model D envelope characteristics, particularly its punchy attack and unique multiple key trigger behaviour. So that is exactly what we have done, again we have used exactly the same discrete transistor circuitry and internal voltages as the original vintage Model D and our own MiniMod Contour Generator. The changes needed to modify it from the original ADS envelope into full ADSR are transparent to the circuitry itself, so all of the wonderful Model D character and eccentricities are retained. However we couldn't just stop there, we just had to add some additional, very useful extra features too!

ADSR Mode

Regular ADSR Envelope Mode is selected by setting the SLOW, RETRIG and DEL-HLD switches to off (switch up). In this configuration the Pre-Delay and Hold controls have no effect, and a gate will generate a one shot ADSR (Attack, Decay, Sustain, Release) envelope. The gate can also be manually triggered using the manual trigger button, which is located just above the Release control.

A screen shot of an actual ADSR envelope from this module is shown below, note the fast Decay and slow Release time, this is impossible with the original Model D envelope generator, and of course the MiniMod Dual Contour generator too, which shares the same circuitry.

 

Technical Specifications

  • Module Width: 10hp
  • Module Depth: 26mm (Including power lead)
  • Current Usage: 30mA Positive, 12mA Negative

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