[sdiy] blacet EGs

[Peter Grenader]

It does both.

When set to A/D mode, the EG will react to an incoming pulse, and will
complete its cycle regardless of duration of the incoming pulse.  But it is
retriggerable, so it will begin again on the next high transition into its
gate input, whether the previous A/D cycle has completed or not.

When set to ADSR mode, it will remain high at the amplitude dialed into the
Sustain pot for as long as the incoming gate remains high ONCE THE A AND D
cycles have completed.

Now, in ADSR mode, the attack will only complete if the incoming gate is
still active the duraiton of the total time set by the attack knob.  What I
mean is, if you set the attack for 15 seconds and only have an gate duration
of 10, the attack will die when when the gate goes low, whether the 15
seconds have elapsed or not.

In any event, congratulations of the purchase of what I consider one of the
best EGs out there.

Try  this at home:  Set to A/D mode.  Turn the Attack aand Decay pots fully
CCW.  Turn the Time Base pot fully CCW.

Give it a trigger.

Go somewhere for an hour and a half.

Come back, notice the cycle has not completed.

Is that the coolest thing in the world, or what?

hope this helps,

Peter




 magic_silver_box! wrote:

> Hi guys, i'm trying to figure out something about the Blacet ADSR module;
> perhaps someone owns one and can help out. Is the envelope simply triggered on
> and off when the gate reaches a certain threshold, or does the module
> constantly shape the cv coming into the gate input?
> 
> Hopefully that made sense. eye will rephrase:
> 
> Does the EG act as a shaper for the incoming gate signal, slewing the attack
> and release of a |¯¯¯¯¯|-shaped gate into something more like a /¯¯¯¯¯\, or
> does it simply fire out a fixed envelope, set by the knobs, when a gate
> becomes present?
> 
> Many thanks!
> -Brian Ratledge
> 
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