Check the listing for details. DIAMOND BASS COMP/EQ Bass Compressor EQ. Condition: New. Listed at 245.95 USD. Diamond Bass Comp/EQ There's something truly magical about finding the compression sweet-spot on bass. Enter the Diamond Bass COMP/EQ. This bad-boy will go on your board, and never come off. This next-gen compressor maintains the classic circuit architecture while increasing range and functionality. Now armed with 3 Tilt frequencies and a +/- 10dB Mid control, the new EQ section allows you to sculpt your tone in the same box that master's it (that's a good thing). Signature compression Rather than mess with perfection, the Diamond Comp/EQ augments the original bass-tuned yellow box design with a new Mids boost/cut control, 3-position Tilt Frequency switch, custom spec'd, US made opto-isolators and modern, quiet switching. Pedalboard Mastering Combining silky smooth, natural optical compression with our signature hi-fi inspired, centredetent active tilt EQ and Mid boost/cut control, the Comp/EQ is a mastering solution for your effects chain....one you might never turn off. The New Standard For the modern pedal-user's needs. Space saving design, without any loss of quality. Complete with all analog, Burr-Brown audio path, top-mounted jacks, 9-18VDC operation and relay based true bypass switching. Main Features Naturally smooth optical compression from a custom US-made Opto-Isolator 10dB Mid boost and cut Switchable Tilt EQ Fulcrum Frequency covering 250,500, & 900 Hz +|- 6dB Wide-ranging compression control with LED indicator Top-mounted jacks and soft touch relay switching Burr Brown Integrated circuits Made in Canada Technical Info Input Impedance: > 1MΩ Output Impedance: Switching: Relay True Bypass Power Requirement: 9-18 VDC , negative tip, 2.1 mm barrel jack. Current Draw @ 9 VDC : 22mA Tilt EQ Fulcrum Frequency: 250 || 500 || 900 Hz +|- 6 dB Mid EQ Center Frequency: 800 Hz +|- 10 dB Dimensions: 122 x 66.98 x 39.64 mm (4.8 x 2.64 x 1.58") Weight: 280g