This manual introduces the features of FEEDBACK DESTROYER PRO FBQ2496, including usage methods, installation methods, precautions, etc.
This manual introduces the FBQ2496 Feedback Destroyer Pro, a 96 kHz feedback suppressor with up to 20 adaptive filters per channel. It explains safety precautions, installation steps, and how to connect the unit to mixers, monitors, and other audio equipment.
Detailed sections cover the front‑panel controls, filter types, MIDI integration, rack‑mount installation, and a full technical data sheet, enabling qualified users to set up, operate, and maintain the device safely and effectively. This manual is written in Chinese.
| Frequency response | <10 Hz – 44 kHz |
|---|---|
| CMRR (common‑mode rejection ratio) | <‑100 dB @ 1 kHz |
| Input impedance | ≈ 20 kΩ balanced |
| Rated input level | -10 dBV / +4 dBu (adjustable) |
| Maximum input level | +20 dBu (when set to +4 dBu) |
| Output impedance | ≈ 200 Ω balanced |
| Maximum output level | +20 dBu (when set to +4 dBu) |
| Power supply | 100‑240 V~, 50‑60 Hz |
| Dimensions (H × W × D) | 44.5 mm × 482.6 mm × 190.5 mm |
| Maximum filters per channel | 20 independent full‑parameter filters |
| Gain range | +15 dB – ‑36 dB |
Holding the PANIC key (up to 1 second) makes the unit quickly search for and suppress feedback frequencies.
The FBQ2496 fits a 19‑inch rack using 1 HE height; leave about 10 cm behind for rear connectors and secure it with M6 screws and nuts.