Inofficial: Mostly Automated Processes, Inc. hardware.
• EQs: (A) API 550a, (B) 550b, (C) 5500, (D) CAPI LC53A, (E) Sound Workshop Series 30 (made by former API engineers in the late 1970s) and (780/PEQ) the 10-band graphic equalizer 560.
Unlike the hardware the equalizers have continuous gain and constant Q (bandwidth) options. Sum and difference (mid-side) matrix now available (PINK 4).
• Compressors: API 2500 (strip) and modified 2500 with crossover filters from TubeTech SMC 2B, Masalec MLA-3/4 and a custom filter by Acustica (2412/7236).
• Preamps: 16 console line inputs (new for PINK4) plus custom (CUST) preamps from PINK3: (1) API 512, (2) 550b EQ, (3) 2500 compressor, (4) distorted API 512c clone, (5) API 312 (maybe), (6) API 312 homebrew (maybe), (7) CAPI VP28, (8) CAPI LC53A EQ. and (9) Sound Workshop Series 30 (new for PINK4).