Doepfer A-138a Mixer Linear

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Eurorack module

4 Channels
Suitable for control voltages and audio signals
One attenuator per channel
Eurorack format
Width: 8HP / 40.3 mm
Depth: 35 mm
Power requirements: +10 mA (+ 12V) / -10 mA (-12V)

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3-Year Thomann Warranty

Available since June 2007

Item number 114504

Sales Unit 1 piece(s)

Modul Type Mono

Width 8 TE / HP

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Sales Rank

in Mixer, Attenuator Modules

32 Customer ratings

5 29 Customers 4 2 Customers 3 0 Customers 2 0 Customers 1 1 Customer

4.8 / 5

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quality

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14 Reviews

Solid linear mixing with an oft overlooked trick up its sleeve

Martyn Q. 01.10.2015

As a mixer it works a charm, signal quality is more than sufficient for most uses - gets used in every patch without fail. A key feature that it seems most don't realise is there - channel 1 gives a constant cv 0-5v when nothing is plugged in, so can be used to offest cvs that are being mixed in channels 2-4. Most people I've spoken to don't seem to realise that feature is there - neither did I till I read the manual (read it out of curiosity I should add, other than this feature the module is entirely self explanatory).

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Super useful

Anonymous 19.01.2017

I think this module comes under the heading of 'very useful, but not sexy'.
I've used it to mix two LFO outputs and then sent that to modulate the filter cutoff, the PWM of the VCO, and also the CV input on the VCA.
Super useful.

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A great workhorse

Anonymous 26.05.2016

I bought this to mix CV signals to a single input on filter modules; it works beautifully, is very solidly constructed and came with the screws required to mount it in my case.

It takes up little room, draws little power and is highly recommended for more complex patches!

I will be buying at least one more in the future.

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Good.

Jim Lloyd 12.02.2019

Easily Use. Reasonable Price.

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Doepfer A-138a Mixer Linear

Eurorack module

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Eurorack module

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