AudioControl Model 520 Series B Vintage Stereo Equalizer Tested w/ Original Box

Excellent, exceptionally well-preserved example of the AudioControl Model 520 Series B stereo equalizer and speaker control system.

The unit has been fully tested and works perfectly. Both channels produce clean, stable sound, and all knobs, switches, and functions operate correctly. There is no static, crackling, popping, hum, channel imbalance, or intermittent operation.

Features

• Independent left and right channel controls
• Five frequency bands per channel: 36 Hz, 60 Hz, 120 Hz, 1 kHz, and 15.5 kHz
• Switchable 18 dB/octave subsonic filter
• Equalizer bypass/engage control
• Source and tape-monitor switching
• Metal chassis with wood side panels
• Made in the USA

Included

• AudioControl Model 520 Series B equalizer
• Original factory box

The unit will be carefully packed, with additional protective outer packaging used for safe shipment.

Please review all photos, as they show the actual item and are part of the description.