ADDAC System ADDAC102 VC FM Radio
The ADDAC102 VC FM Radio is a Eurorack module that pulls broadcast FM into the modular. Tune, volume, seek, and mute are all controllable via CV, so the radio is something you can play, not just a source. Two outputs give stereo sound, and a dedicated LED shows the stereo output.
Version 2 of the module was updated to be skiff-friendly, which helps anyone with a shallow case. The front panel has controls for tune, volume, seek up/down, search up/down, and mute. The search function uses a "Go" push-switch. It manually triggers frequency changes as set by the up/down state, and it wraps around. A gate input handles the mute state. The internal VCA includes an attenuator, and the CV inputs accept both unipolar and bipolar voltages.
You can use station broadcasts as sound sources for synthesis, but the module also works as a noise generator. The static between stations picks up all kinds of electromagnetic interference, which makes for great texture. Perfect Circuit called it a "fully voltage-controllable FM radio" and pointed to its "CV-capable" nature. Equipboard placed it in the upper end of the standard/professional range for modular synthesizer gear.
Known specs:
- Format: Eurorack, 8 hp wide, 5 cm deep
- Current: 100mA max
- CV inputs: ±10v
- Gate in threshold: 2.5v
- Power: compatible with ±12v and ±15v supplies
- Bus board cable: 8 × 2 IDC (Doepfer style) connector
- Price: listed at $399.00 (Analogue Haven); Equipboard tracked new prices from $333.00
No production years, original price, or deeper historical context are documented. The record here is essentially retail listings and the user guide. No period reviews or owner feedback have surfaced.
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