You are looking at the Doepfer Module A-138b Exponential Mixer.
The Module A-138b is a four channel mixer, which can be used with either control voltages or audio signals. Each of the four inputs has an attenuator, and there's a master attenuator, so that the mixer can be used at the end of the audio chain - i.e., it can be used to interface directly with an external mixer, amplifier, etc.
The A-138b mixer uses potentiometers with logarithmic response, which are especially suited for audio signal mixing.
Note: Since April 2004 improved versions of the modules are manufactured.
For the revised versions control In1 works as a DC offset generator (about 0...+5V) provided that no patch cord is plugged into socket In1.
If this feature is not required, it can be deactivated by removing a jumper on the pc board.
Condition | Brand New (New) Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more |
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