#86 • Yamaha S80 88-Key Syntheszer, Yamaha MSP5 Monitor Speakers (Pair), On-Stage Stands Fold-up Bench & X-Style Keyboard Stand

Part of Musical Instruments | November 18, 2025 at 10:00 AM (live auction by Alderfer Auction)

Starting at $250.00

Status: No sale

Yamaha S80 syntheszer keyboard, serial # QX1401. Produced in the 1990s, it features 88 weighted keys, 64-note polyphony, 256 preset voices, including pianos, electric pianos, organs, guitars, and synth patches, plus 8 drum kits. It includes a SmartMedia card-based song sequencer which plays standard SMF files, storing 100 songs in memory, a dynamic digital effects processor and 12 types of multi-mode resonant filters, a Master Keyboard mode for controlling external gear, and expandable architecture with optional plug-in boards. Unit powers up and all panel switches and sliders function properly. Unit shows little signs of wear & tear. Includes owner's manual and VFP1 sustain pedal with polarity switch. Full package includes Yamaha MSP5 2-way, bi-amplified active studio monitors (pair), serial # QP02594 & QP02595. Have 5-inch woofera, 1-inch titanium dome tweetera, and a 67 watt bi-amplified system, with both balanced XLR & 1/4" inputs, Units power up and function properly, with a good, clean sound. Show almost no signs of wear & tear. On-Stage Stands fold-up piano bench is in good condition. On-Stage Stands X-style heavy duty keyboard stand is able to hold heavier keyboards. Has semi-hidden lever to collapse/open stand from its fold-up position. Stand is in good operating condition. Road Runner bag measures 20"h x 59"w x 9"d