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Ready to ship
55.000 Products
55.000 products
ready for shipment
Money Back
30 Day Return Policy
The Doepfer A-138M Eurorack 4x4 Matrix Mixer Module is a powerful matrix mixer module featuring 4 inputs and 4 switchable outputs that can be either individually unipolar or bipolar.
The A-138m is a 4 x 4 matrix mixer with switches for unipolar/bipolar mode for each column. Unipolar means that the controls work as attenuators. Bipolar means that the controls work as polarizers. In this mode the amplification is zero in the middle position of the corresponding control. Turning the knob counter clockwise from the centre position means the signal is subtracted from the output sum with increasing amount (i.e. negative). Turning the knob clockwise from the centre position means the signal is added to the output sum with increasing amount. The module is DC-coupled and can be used for both audio and control voltage mixing.
The main features of the Doepfer A-138M Eurorack 4x4 Matrix Mixer Module include:
I bought this for sending signals out to multiple destinations - effects in my case. The output from each of the effects in then fed into a separate 4 channel mixer which I already had. Using this I can send any of the 4 inputs to any of the 4 outputs (or multiple outputs).
I haven’t yet used it for cv routing though I will be experimenting with that soon. So far, so good... happy with purchase!
Highly useful module for mixing and polarizing control voltages. You can send one CV source to multiple destinations and multiple CV sources to one modulation input. Great for achieving complex modulations. Very performance oriented module and can be also used with audio feedback loops.
