Used Gear Hunter
Used Vintage API 550A 500 Series for sale
5 listings from 1 marketplace, refreshed continuously.
Cheapest right now
£1,795
Vintage API 550A 500 Series 3-Band Equalizer Module 1970s - Black
ReverbVery Good
Market price history
Median sold price · 2026-09-28 → 2026-10-24Min £1,945 · Max £2,992
Available at
Reverb
5 listings
£1,795
Cheapest
Current Vintage API 550A 500 Series listings
Vintage API 550A 500 Series Equalizer. 550 A. Huntington, NY. 1970s. Original Opamps 7289
£1,907Reverb
Local pickup available
Price dropExcellent
Vintage API 550A 500 Series Equalizer. 550 A. Huntington, NY. 1970s. Original Opamps 7979
£1,945Reverb
Local pickup available
Price dropExcellent
Vintage API 550A 500 Series Equalizer. 550 A. Melville, NY. 1970s. Original Opamps 3513
£2,095Reverb
Local pickup available
Price dropExcellent
API 550A Classic 2006 Saul Walker 500 Series Equalizer Pair. Rare! Like The Vintage
£2,917Reverb
Local pickup available
Price dropExcellent