American manufacturer of mixing consoles and outboard gear with a punchy signature sound

500-series version of the classic API preamp with the punchy, musical character that defined countless rock and pop records.

Full channel strip with 512c preamp, 550A EQ, and 527 compressor in a single 2U rack unit. The classic API signal chain.

Stereo bus compressor with API's signature punch and musicality. Feed-forward and feedback modes with variable thrust detection.

Classic three-band proportional-Q equalizer in 500-series format. Musical, reciprocal EQ curves that defined the American console sound.

Ten-band graphic equalizer in 500-series format. Delivers API's proportional-Q response for precise tonal shaping on any source.

Dual-channel four-band parametric equalizer with API's signature musical tonality. Fully sweepable bands in a 2U rack format.

Compact 16-channel analog console with API's signature 2520 op-amps. Punchy, musical sound ideal for rock, pop, and hip-hop.

24-channel large-format console continuing API's tradition of punchy, musical analog mixing with 2520 and 2510 op-amps throughout.

8-channel analog summing amplifier with API's signature 2520 op-amps. Adds punch and cohesion to digital mixes.

Survey-backed equipment entry from the Upsound 2026 studio equipment research. Observed in 5 studios with 5 total mentions. Country coverage: US: 4, UK: 1. English category/type: Equalizers. Raw survey examples: API 550B x6 | 2x API 550B (500 series) — Studio D | API 550B (2) — Studio C | API 550B Equalizers | API 550b.

Survey-backed equipment entry from the Upsound 2026 studio equipment research. Observed in 4 studios with 4 total mentions. Country coverage: US: 2, SE: 2. English category/type: Compressors. Raw survey examples: 2x API 525 | API 525 Compressors | 4x API 525 | API 525 (2).

Survey-backed equipment entry from the Upsound 2026 studio equipment research. Observed in 4 studios with 4 total mentions. Country coverage: US: 1, UK: 2, SE: 1. English category/type: Channel Strips. Raw survey examples: API 512 Microphone Preamplifiers | API 512 (x4) | API 512 | API 512 (6 units).

Survey-backed equipment entry from the Upsound 2026 studio equipment research. Observed in 3 studios with 3 total mentions. Country coverage: US: 2, SE: 1. English category/type: Channel Strips. Raw survey examples: API 3124 | API 3124 Quad Mic Pre DI | API 3124.

Survey-backed equipment entry from the Upsound 2026 studio equipment research. Observed in 3 studios with 3 total mentions. Country coverage: US: 3. English category/type: Equalizers. Raw survey examples: API 550 Vintage x4 | API 550 | 2x API 550 (4-band).

API 212L — a microphone preamplifier used in professional studio recording and production.

API 550B — a piece of outboard signal-processing hardware used in professional studio recording and production.

API 525 — a piece of outboard signal-processing hardware used in professional studio recording and production.

API 512 — a microphone preamplifier used in professional studio recording and production.

API 3124 — a microphone preamplifier used in professional studio recording and production.

API 550 — a piece of outboard signal-processing hardware used in professional studio recording and production.

API 3288 — a microphone preamplifier used in professional studio recording and production.

Survey-backed equipment candidate from the 2026-04-28/29 Upsound studio equipment survey. Observed in 1 of 44 surveyed studios (1 mentions; US 0, UK 0, DE 0, SE 1, DK 0). Raw examples: API The Legacy Console 48 channels with Uptown Automation (Studio 1)

Survey-backed equipment candidate from the 2026-04-28/29 Upsound studio equipment survey. Observed in 1 of 44 surveyed studios (1 mentions; US 1, UK 0, DE 0, SE 0, DK 0). Raw examples: API 553 x2

Survey-backed equipment candidate from the 2026-04-28/29 Upsound studio equipment survey. Observed in 1 of 44 surveyed studios (1 mentions; US 1, UK 0, DE 0, SE 0, DK 0). Raw examples: API 554 x10

Survey-backed equipment candidate from the 2026-04-28/29 Upsound studio equipment survey. Observed in 1 of 44 surveyed studios (1 mentions; US 1, UK 0, DE 0, SE 0, DK 0). Raw examples: API 560B floating (4)

Survey-backed equipment candidate from the 2026-04-28/29 Upsound studio equipment survey. Observed in 1 of 44 surveyed studios (1 mentions; US 1, UK 0, DE 0, SE 0, DK 0). Raw examples: 48-channel API Legacy console — Studio B

Survey-backed equipment candidate from the 2026-04-28/29 Upsound studio equipment survey. Observed in 1 of 44 surveyed studios (1 mentions; US 1, UK 0, DE 0, SE 0, DK 0). Raw examples: 96-channel API Legacy console (largest in North America) — Studio D

Survey-backed equipment candidate from the 2026-04-28/29 Upsound studio equipment survey. Observed in 1 of 44 surveyed studios (1 mentions; US 0, UK 1, DE 0, SE 0, DK 0). Raw examples: Bespoke 1970s API 48-Channel Split Record/Monitor Desk (Studio 1)

Survey-backed equipment candidate from the 2026-04-28/29 Upsound studio equipment survey. Observed in 1 of 44 surveyed studios (1 mentions; US 0, UK 1, DE 0, SE 0, DK 0). Raw examples: Bespoke 1970s API 24-Channel Record/32-Channel Monitor (Studio 2)

Survey-backed equipment candidate from the 2026-04-28/29 Upsound studio equipment survey. Observed in 1 of 44 surveyed studios (1 mentions; US 0, UK 1, DE 0, SE 0, DK 0). Raw examples: Pultec EQP-1 (Studio 1)

Survey-backed equipment candidate from the 2026-04-28/29 Upsound studio equipment survey. Observed in 1 of 44 surveyed studios (1 mentions; US 0, UK 0, DE 1, SE 0, DK 0). Raw examples: API 3232 console, 32-channel (API Room / CTRL Room 2)

API

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