The Hieroglyphic Opalina is a dual-channel stereo state-variable filter network offering two distinct operating modes for spectral shaping and crossover duties. Resonator mode configures three band-pass filters to emphasise formants and resonant peaks, while Isolator mode uses a cascaded topology with variable mid-bandwidth for resonant crossover applications. The fully analogue signal path provides individual inputs and outputs for each band, continuously variable band input levels, and a soft-clipping circuit on the summed output. Designed for stereo use, it delivers flexible frequency sculpting in a compact 14hp Eurorack module. Features RESONATOR Triple bandpass filters with vc peak span and resonance. 12db/oct filter slopes. ISOLATOR Cascaded state-variable filters with vc bandwidth and resonance. 24db/oct filter slopes. Completely analog signal path. Individual band inputs and outputs. Continuously variable band input amplitude. Soft-clipping circuit on SUM output. Dual channel for use in stereo (L & R). Includes OPX Input Expander. Video: https://youtu.be/WgkLbWV8WMUProduct Specs Item Number: 41697 Make: Hieroglyphic Model: Opalina - Black Condition: Brand New Finish: Black Categories: keyboards-and-synths ⇒ eurorack Function: Dual/Stereo Equalizer Filter Mixer Resonator Made In: Spain MPN: HG-OPALINABLK Modular Grid: Eurorack ⓘ ＋ Dimensions: 14 HP 30 mm deep Power: 95 mA +12V 95 mA -12V 0 mA 5V
