Mercury Recording Equipment G810 Rack System I with 2.6A PSU Lunchboxes It has three control knobs:

It has three control knobs: Level

Side-chain input for control via an external audio source

TC-Helicon®

• Hardwired 10 ft cord for a broad range of placement

Ground lift: LIFT switch - Input-B pin-1

Mercury Recording Equipment G810 Rack System I with 2.6A PSU Lunchboxes It has three control knobs:G810 Rack System Mercury D Series Mercury Recording Equipment Co. is debuting the Mercury D Series G810 Rack System, the first of many products in their new Mercury D Series Line. From the outside, you might think you have seen this product or something similar before, but there is more than meets the eye with the Mercury G810 Rack System. David Marquette and Mercury used a combination of 20 Years experience custom racking vintage modules and new,