435.00 US $ Asteroid Mini Synthesizer 20 HP module

Published date: October 27, 2014
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  • Country: United States
  • State/Province: Arizona
  • City: Laveen

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Ebay listing here


The sale includes, M3 panel screws, and the ribbon cable to

power up the module.



Free shipping to celebrate release on this product.

Asteroid Mini Synthesizer
------------------------------
Format: Euro Doepfer compatible, 3U height (5.05")
Power Current Consumption: +108mA, -83mA

Depth: less then 45mm

Circuits involved: VCO, VCA, Envelope Generator, Sub Harmonic

Generator, Noise Generator, and trigger striking circuit.

VCO
-------------------------------------------------------------
-VCO type: Triangle core, transistor discrete design.
-VCO waves: Triangle, Sine, Square, Sub Harmonic pulse.
-Noise Generator flavors: White and High Pass White Noise.
-VCO modulation sources: (2) Direct input CV's labeled 'PCV',

(1) Hi spectrum Linear FM input, (1) Variable sync input, (1)

Attenuated CV labeled 'Mod CV'.
-Internal hard wired modulation: Bi-polar Decay source, and

'Pop CV' trigger spike. The Pop gives a small punch to the

sound.


Envelope Generator
--------------------
Timings: 1uf Capacitor charge, 9.7uf cap, or middle position

is 0.47uf cap timing. These effect the snappy feel of the

decay. Middle position of the switch is best for drum and

short percussive sounds.
-Trigger Striking System: The internal trigger conditioning

circuit allows from 2.5v to 10v input for successful

triggering of the envelope generator. The internal trigger

voltage is about 12v. This allows for big drum sounds, and

strike effect. There is a 'Thru' jack to pass the input

signal to another Asteroid Synth for daisy chaining.

Mixer
--------------------
There is a summing mixer with direct output (pre vca and pre

booster), this makes the module act like a normal vco for you

to patch to a filter, etc.
You also have a mixer input jack so that you can mix another

vco or two Asteroid Mini Synths together.

VCA and Analog Delay
-----------------------
The vca can be patched directly into, bypassing the internal

summing mixer. This is great for send and return. You would

patch from the Asteroid Mini synth's 'Sum' to a filter for

example, then patch back into 'Ext VCA' to return the

processed sound. The booster knob will boost signals also

patched into the Ext VCA jack.
-The Delay has modulation for: Repeat, Time, and level.
-The VCA is a high quatity cool audio v2164 based vca with

it'own attenuated 'MODV' cv input.

Final Output
-------------------------
You get a Dry post vca synth level output, and a 'PERC'

output. The difference is the 'Perc' output can have the

delay fx mixed in.
There is a line Level 1/4" output jack.
All outputs can be used simultaneous.

***Some odd ball notes about the module
----------------------------------------
In order to use the Square wave as a sound source you have to

patch from the jack above the toggle switch and select the

Sqaure wave, and patch that into the Mixer input 'Mix'. One

interesting patch is to patch the square wave into a CV input

to create a Saw wave. I did this because I wanted to give you

the option.
If you wanted only the square wave sound source after you did

the mix in patch, you can turn off the triangle or sine wave

as that has no level knob. You can also use this method to

make noise bursts with no vco waves mixed in. The noise

generator does not have to be patched like the square wave,

it is internally routed to the mixer. Just use the Noise

Level knob to adjust the noise level. On the Direct Noise

ouput, the level knob does not change anything, it is a

direct out.

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