ADDAC System ADDAC712 VINTAGE PRE 2022 - Black

ADDAC712 is a dual channel discrete gain staging amplifier, based on a famous discrete preamp board from the 70’s used in some legendary equipment.
What caught our attention was the character of its clipping and resulting saturation/distortion.

The module can be used with modular signals to add a distortion/fuzz character or as a preamp for an external source such as a line source, keyboard, guitar...
It’s also a great side companion for our ADDAC711 Balanced Inputs.

At the top an On/Off [BYPASS] switch routes the signal into the Effect (Up: Active) or to the bottom output gain stage (Down: Bypassed).

The amount of amplification is set by the [GAIN] control, the maximum amount of amplification can be set by the user using the [MAX GAIN] trimmer.

Up to ±5.5v the incoming signal will keep its integrity; beyond this point saturation will start to increase.
At aprox. ±6v a hard clipping will start to occur. This clipping also has a particular quality: at extreme levels it drifts the audio 0v bias reference, moving it upwards which results similar to a Gate effect.

In the middle, an x2 opamp based output gain stage with a clipping led, which monitors the clipping at the output, and an [OUTPUT] control to set the output volume.

Having the top and middle gain stages provides flexibility allowing the user to completely distort the signal on the top stage and tame its output level with the second stage.

At the bottom, Input and Output for both channels (Left input is normalled into Right input).

Tech Specs:
6HP
4 cm deep
40mA +12V
40mA -12V

Note: All specifications and features are subject to change without previous notice.

LEAD TIME - IMPORTANT NOTE:
Although this is also described in our Shop Policy page, it is worth stressing that, by virtue of being a small team and not outsourcing a great part of our production, long story short, we sort of make your order on demand.
After you place an order, it takes 15 business-days to be ready to ship.
This is why you'll see this module as 'in stock', but this in fact means that we do have all its parts and can produce your module. Thanks for understanding, and for choosing us!