Yamaha EM-85 1980s

*PICKUP PREFERRED

Great condition. Vintage 4 Channel mixer with a unique built-in delay. Very crisp tone. Power cable attached. 4 1/4” outputs. Handle attached for easy transport.

AI Overview:

The Yamaha EM-85 is a vintage, 1980s-era integrated powered mixer. It is highly regarded by musicians today for its built-in analog bucket-brigade delay (BBD), which utilizes the famous MN3005 chip—the same core component responsible for the warm, lush repeats found in legendary delay pedals like the Electro-Harmonix Deluxe Memory Man. Official details and architecture can be cross-referenced via the Yamaha EM-85 Owner's Manual. 

• Power Output: Solid-state power amp delivering 45 Watts RMS into 8 ohms or 70 Watts into 4 ohms. 
• Channel Count: 5 total channels (4 main inputs + 1 auxiliary/phono channel). 
• Main Inputs (Channels 1–4): Each channel features a 3-position input level selector (Mic, Instrument, Line), a 2-frequency EQ (Bass/Treble), an Echo/Delay send level, and a rotary volume knob. 
• Channel 5: A dedicated stereo/mono input channel toggleable between two Auxiliary line inputs or an RIAA Phono preamp with a dedicated ground terminal for a turntable.
• Onboard Effects: Integrated analog delay line (~200ms) with front-panel controls for Master Echo Volume, Delay Time, and Feedback. 
• Rear Panel Connectivity: Features two parallel speaker outputs (with both 1/4" jacks and quick-insert push terminals), 1/4" Line Out, Record Out, and RCA Aux/Phono routing. 

Modern Secondary Market ValueBecause of its unique, vintage analog delay chip, the EM-85 has transitioned from an obsolete PA system into a boutique studio tool.