API 550A - 50th Anniversary Edition

Discrete 3-band EQ - hand-wired limited edition reproduction of the original Saul Walker design from the early 1970s

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Product Description

The API 550A 50th Anniversary Edition is a near-identical reproduction of the legendary 550A 3-band equalizer designed by Saul Walker in the late 60s. Featuring a stunning limited edition gold faceplate, these hand-wired 500 series modules are only available as part of a limited run of 50 units.

THE GOLD STANDARD

The original 550A equalizer became API’s standard channel module EQ when the company began manufacturing consoles in 1971. Known for its bright, open, punchy sound, the API 550A EQ has been used on countless hit records over the decades.

The API 550A 50th Anniversary Edition 500 series EQ utilizes an exact reproduction of Saul Walker’s original printed circuit board Equipped with API’s incomparable 2520 op-amp and innovative “Proportional Q” circuitry, the 550A 50th Anniversary Edition offers unparalleled sonic quality.

HAND-WIRED DESIGN

With 21 points of reciprocal equalization divided into three overlapping ranges, the 550A is capable of creating truly unique filter shapes. For added versatility, th