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API 550A Vintage Front

API 550A Vintage Huntington Opamps

Description

For sale is a rare vintage 500 series API Automated Processes Inc. Audio 550a 3-band equalizer with 2 Huntington N.Y. 2520 Opamps. It's fully functional and sounds excellent. Amazing analog warm tone. Serial number 617. These vintage APIs don't show up too often, don't pass this up!

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