The Electro-Voice Rx-212/75 (often designated as QRx-212/75) is a high-performance, dual 12-inch, two-way loudspeaker designed for medium-sized venues, live band reinforcement, and DJ applications. It is recognized for its unique asymmetrical horn, which provides a 75° horizontal by 50° vertical coverage pattern, factory-aimed 10° downward to cover audiences without wasting energy on the ceiling.
Key Technical Specifications
- Acoustic Components: Features two DL12BFH 12-inch woofers and a DH7 3-inch titanium diaphragm compression driver.
- Power Handling: 600W Continuous / 2,400W Peak.
- Frequency Response: 75 Hz – 15 kHz (-3 dB) and an extended range of 52 Hz – 18 kHz (-10 dB).
- Sensitivity & SPL: High axial sensitivity of 102 dB (1W/1m); capable of a maximum calculated SPL of 135–136 dB (Peak).
- Operation: Externally switchable between Passive (4 ohms) or Bi-amp modes (LF: 4 ohms, HF: 8 ohms).
- Enclosure: Built from 13-ply void-free birch plywood with a rugged black “EVCoat” finish and recessed handles.
