Sabine Graphi-Q GRQ-3101, 31 Band Equalizer, Delay, Compressor, and Feedback Suppressor w/ rack mount bolts/washers.

Working unit, extremely versatile in function and performance.

The Sabine Graphi-Q GRQ-3101 is a 1U rack-mountable, single-channel digital audio processor that combines a 31-band graphic equalizer, automatic feedback exterminator, compressor/limiter, and digital delay into a single unit. It provides tactile "analog-style" front panel controls while utilizing a 32-bit digital signal path.

Key Features & Specifications

• 31-Band Graphic EQ: Provides ±6 dB or ±12 dB of boost/cut, high/low-pass filters, and features zero phase shifting or drifting due to its digital design.
• FBX Feedback Exterminator: Patented automatic feedback control that detects and places rapid notch filters on feedback frequencies without degrading the audio program.
• Compressor/Limiter: Delivers punchy dynamics control with adjustable parameters including threshold, ratio, attack, release, and knee.
• Digital Delay: Offers up to 1 second of delay, adjustable in 20-microsecond increments for precise speaker alignment.
• ClipGuard Adaptive Clip Level Control: Prevents digital clipping and accepts massive input levels up to +26 dBV.
• Digital Architecture: Features 24-bit A/D and D/A conversion, runs on a Floating Point SHARC processor, and achieves a dynamic range of over 110 dB.
• Connectivity & Control: Equipped with balanced XLR inputs and outputs. It includes a "Tweek-n-Peek" LED display screen for parameter verification and is fully controllable via the GRQ Operating Guide v63 computer software.