This Behringer 1047 Multimode Filter/Resonator Module is an awesome recreation of the 70's 'System 2500' circuitry that fits neatly in a standard Eurorack case. And the best part? It's really affordable! You can add it to your existing setup or kick - start your modular synth adventure. With a classic 70s analog multi - mode filter and resonator sound, it offers endless fun.
Features:
- Classic 70s analog multi - mode filter and resonator.
- Authentic '2500' Series circuitry reproduction.
- A highly resonant 12 dB state - variable filter for diverse formant shaping.
- Simultaneous high - pass, band - pass, low - pass, and notch outputs.
- Coarse and fine controls adjust filter cut - off from 16 Hz to 16 kHz with external inputs.
- Resonance control from 0 to 512 with an external input.
- Keyboard percussion for a wide range of percussive sounds.
- Connect keyboard gate and CV signals for unique sounds.
- Activate keyboard percussion mode for key - strike sounds.
- Filter tone damps when the keyboard is released.
- Eurorack specs: 16 HP, XX mA +12 V, XX mA -12 V.


Using the Behringer 1047 Multimode Filter/Resonator Module is a breeze. First, if you're starting fresh, place it in a standard Eurorack case. If you already have a rig, just integrate it into your setup. To adjust the sound, use the coarse and fine controls to set the cut - off frequency between 16 Hz and 16 kHz. You can also use the external control signal inputs and attenuators for more precise tuning. The resonance control allows you to adjust the level of the resonant peak from 0 to 512. When it comes to the keyboard percussion feature, connect the keyboard gate signal to the external input and the keyboard CV to the frequency control input. Then, when you activate the keyboard percussion mode, striking a key will produce cool percussive sounds. Just remember, when you release the keyboard, the filter tone will damp according to the Final Q setting.
As for maintenance, keep it in a dry and clean place. Avoid exposing it to extreme temperatures or humidity. If it gets dirty, use a soft, dry cloth to gently wipe it down. Don't try to open the module on your own, as this could void the warranty and damage the internal components.