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Doepfer A-131

VCA (Voltage Controlled Amplifier)The A-131 module is a voltage-controlled amplifier. An exponential VCA (A-131) is usually used for audio applications, while a linear VCA (A-130) is used for control applications. However, this is not a compulsory requirement.

The gain of the VCA determines the control voltages at the CV inputs and the position of the gain controller, which is used to adjust the basic gain of the VCA. Each VCA has two audio inputs with pre-attenuated attenuators whose sum mix is ​​amplified according to the control voltages and the position of the gain control.

Further information

Module Yes
Empty Rack, Or Housing No
Basic System No
Accessories No
26 customer ratings:
  • 5
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  • 1
4.7 / 5.0
  • handling
  • features
  • sound
  • quality
8 written ratings Read all reviews
Total
handling
features
sound
quality

well fitted yet cheap VCA

Henri aus B., 09.07.2013
It is important to note this model is designed as an exponential VCA and made to amplify Audio signals. if you want to amplify / modulate control signals (CV) then the A-130 is better fit. not it will not work at all if you get the wrong model, it is that just each will be more practical to use in its own purpose !

This VCA features two separated CV inputs, the second one having its own reducer.
it also offers two individual audio inputs, each of them being fitter with an attenuator

you cannot see it as two independant VCAs tought but it definitely offers more than just one simple VCA, which is nice considering it entry level price point !

in terms of sound quality not much to say there. pretty good.
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Total
handling
features
sound
quality

Excellent straight forward VCA

18.12.2015
If you are looking for a basic dual input VCA then this module is for you. This module will fit in perfectly with my already growing -mainly- Doepfer Eurorack.

I would recommend this module for anyone starting a Eurorack because it's (a) priced very reasonably (b) you get a good understanding of signal flow, which, is a good thing to have when looking for possibly more exotic/pricey modules in future - and (c) the quality is outstanding as both the input jacks and potentiometers won't wear out anytime soon (going by some of the other Doepfer modules I have).

Last but not least; delivery to the UK only took 4 working days - good stuff all round!
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Show variations of this product
Doepfer A-131
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  • Empty Rack, Or Housing: No
  • Basic System: No
  • Accessories: No
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73 €
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Offers include 21% Belgium VAT and are valid as long as stocks last. Shipping costs to Belgium are 2,50 EUR, free shipping on orders above 49 EUR. Please click here for international Shipping rates. We do not accept liability for typographical errors or inaccurate information of any kind. *RRP = manufacturer's / distributor's recommended retail price in Germany
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