Used DOD R830A GRAPH EQ Pro Sound Effect

Used DOD R-830A Graphic Equalizer

The DOD R-830A is a dual-channel graphic equalizer designed for precise tone shaping in live sound, studio, and installed audio systems. Featuring two independent 15-band EQ sections, the R-830A allows detailed control over the full frequency spectrum, making it ideal for room correction, feedback control, system tuning, or shaping individual instruments and mixes.

Each channel includes ±12 dB of boost/cut per band, an IN/OUT bypass switch, selectable low-cut filtering, and dedicated output level controls. With both balanced and unbalanced inputs and outputs, the R-830A integrates easily into a wide variety of professional audio setups. Built during DOD’s USA manufacturing era, this unit is known for its solid construction and straightforward, no-nonsense operation.

Features

• Dual-channel 15-band graphic equalizer
• ±12 dB boost/cut per frequency band
• Independent IN/OUT bypass switches per channel
• Selectable low-cut filters
• Individual output level controls
• Balanced and unbalanced inputs and outputs
• LED status indicators
• 2U rackmount design
• Designed for live sound, studio, and system tuning applications

Condition

This unit is in Good to Very Good condition.

• Fully tested and functions properly
• Both channels pass signal correctly
• All sliders move smoothly and respond as expected
• Switches and controls operate correctly
• Cosmetic wear present from normal rack use
• Rack ears intact
• Power cable attached

Store Policies

• All items are tested before listing and again before shipping.
• Orders typically ship next business day.
• Shipping is available to the continental U.S. only.
• We do not accept trades on shipped items.
• Returns are accepted within 48 hours of delivery. The buyer covers return shipping, and a 20% restocking fee applies. If you have any questions before buying, feel free to message us—we’re happy to help.