61 products
Industry leader in professional audio recording equipment.
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VCA-based compressor with auto-makeup gain for studio, live sound, and broadcast. Features selectable NEW (feed-forward) or OLD (feed-back) character, HARD or SOFT knee, and an LED gain-reduction meter. Built around API 2510 and 2520 op-amps with transformer output.
Limited 50th Anniversary Edition stereo bus compressor — only 50 units built. Features THRUST® filter with 3 sidechain settings, 3 selectable knee settings, NEW/OLD type switch, variable L/R link, auto/manual makeup gain, 2510/2520 discrete op-amps with transformer output, and relay bypass.
Dual-channel stereo bus compressor built around the API 2520 op-amp and patented THRUST® circuit. Configurable as stereo-linked or two independent mono channels. Selectable feed-back/feed-forward modes, variable link, and soft/medium/hard knee. Succeeded by the 2500+.
Dual-channel stereo bus compressor featuring the proprietary THRUST® circuit for punchy bottom-end compression. Selectable Old (feedback, API 525-derived) or New (feed-forward) modes, Mix/Blend control for parallel compression, and auto-makeup gain.
Exact reissue of API's original 525 feedback-type compressor/limiter from the early 1970s, with variable threshold, Ceiling control, de-ess function, four switchable auto-release modes, and illuminated VU meter.
500-series FET compressor building on the original 525, with variable attack (15 µs–15 ms), seven selectable release modes, and a Ceiling Control combining threshold and make-up gain. Uses API 2510/2520 op-amps with proprietary transformers.
VCA-based 500-series compressor/limiter with API 2510/2520 discrete op-amps, transformer output, THRUST® sidechain circuit, and feed-forward/feed-back mode switching. Discontinued, superseded by the 527A.
VCA-based 500-series compressor/limiter with API's patented THRUST® circuit, selectable feed-forward/feed-back compression modes, hard/soft knee switching, and 31-position detented controls. Built with 2510/2520 discrete op-amps; linkable for stereo applications.
Dual-slot 500-series stereo compressor inspired by the API 2500, with THRUST® sidechain circuit, feed-forward/feed-back switching, three knee settings, variable or auto makeup gain, and transformer-coupled output via 2520/2510 discrete op-amps.
500-series compressor from API's value-tier Select line, based on the original ATI Paragon Console compressor circuit. Features THRUST® circuit, Hard/Soft knee, stereo link via true RMS summing, adaptive attack/release, and dual LED metering.
2-channel 2U rackmount compressor based on the ATI Paragon console compressor circuit, featuring the patented THRUST® circuit, Hard/Soft knee switching, stereo link with true RMS power summing, and adaptive attack/release times.
2-channel 2U FET feedback-style compressor/limiter with a Class-A tube output stage, 12AT7WC and 12BH7 vacuum tubes, custom API output transformer, patented THRUST® circuit, D-S de-essing, stereo link, and analog VU meters.
Guitar effects pedal incorporating API's VCA compressor circuit with a signature output transformer, selectable feedback/feedforward compressor styles, wet/dry blend, adjustable attack/release, and buffered bypass. Operates on 9–18VDC.
Discontinued guitar effects pedal combining API's 525 feedback-type compressor with a guitar-optimized 3-band EQ, each independently switchable. Features discrete API circuit design, hardwire bypass, ground lift, phase reversal, and 18V external PSU.
Limited run of 55 units commemorating API's 55th year. Dual-channel 3U EQ with vintage cream chassis, expanded 50 kHz response, variable HPF (40–600 Hz per channel), and Mid/Side decoding circuit for separate M/S EQ processing.
1U rackmount dual-channel 550-style EQ with four bands per channel, range multipliers (×1/×0.5/×0.25), peak/shelf switching on outer bands, true hardwire bypass per channel, and front-panel 1/4" TRS inputs that interrupt the XLR signal path.
Limited run of 100 individually serialized units reproducing the original 1971 Saul Walker 550A design. Hand-wired with a reproduction original printed circuit board and 50th Anniversary faceplate.
API's legendary three-band proportional Q equalizer, originally designed by Saul Walker in the late 1960s. Three bands with 7 frequency centers each, ±12 dB boost/cut, shelf/peak switching on outer bands, and band-pass filter option.
Reissued discrete 3-band proportional Q equalizer based on Saul Walker's original late-1960s design. Specifications identical to the standard 550A with the same three overlapping bands, 7 frequency centers per band, and Proportional Q circuitry.
Classic 4-band proportional Q EQ adding a fourth band to the 550A. Features 7 frequency centers per band, ±12 dB boost/cut, shelf/peak switching on outer bands, and the API 2520 op-amp.
10-band graphic equalizer based on the original 1969 API design, with proportional Q technology, API 2520 op-amp, and custom output transformer. Ten bands at standard octave frequencies (31 Hz–16 kHz), ±12 dB boost/cut per band.
10-band graphic EQ based on the original 1969 API 560 design, with improved ±4 dB resolution, API 2520 op-amp, custom output transformers, and proportional Q filtering. Active Special Edition upgrade to the standard 560.
500-series fully parametric 4-band EQ from API's value-tier Select line, re-engineered from the vintage APSI 562 circuit. Continuously variable frequency and gain per band, ±12 dB boost/cut, transformer-balanced output.
2-channel 2U rackmount 4-band parametric EQ based on the vintage APSI Model 562 circuit. Continuously variable frequency and gain per band, ±12 dB boost/cut, transformer-balanced outputs, and both XLR and 1/4-inch I/O.
Guitar EQ/boost effects pedal with API's EQ circuit, three guitar-optimized frequency bands (200 Hz, 1500 Hz, 5 kHz), switchable Clean Boost or Overdrive, buffered bypass, output pad, and signature API output transformer. Operates on 9–18VDC.
Bass-optimized guitar effects pedal with API's EQ circuit, three bass-specific frequency bands (100 Hz, 400 Hz, 2 kHz), switchable Clean Boost or Overdrive, buffered bypass, output pad, and transformer output stage. Operates on 9–18VDC.
Classic API design in 200-Series format, tracing lineage to API's legendary 2488 series consoles. Delivers high frequency articulation with detail alongside big sounding, warm bottom end. All-discrete circuit design with transformer-coupled inputs and outputs.
Limited-edition reproduction of the original 1970s API 312 microphone preamp redesigned for 500 Series format. Faithfully recreates Saul Walker's original PCB design with hand-wired components. Only 150 individually serialized units produced.
Classic 500 Series microphone preamp originally launched in the 1970s. Combines API 2520 discrete op-amps and proprietary AP2516 transformer with vintage-style VU meter, up to 69 dB gain, 48V phantom power, 20 dB pad, and 3:1 output transformer tap selection.
API 312 microphone preamplifier circuitry integrated with Karno's SEPIA digital control platform, enabling real-time automation and preset recall. Exclusive to the SEPIA L6 rackmount system.
2-channel rack-mount mic preamp with API 2520 op-amps and AP2516 input transformer. Features switchable front/rear XLR inputs, front-panel Hi-Z instrument inputs, variable output with 3:1 transformer tap, high-pass filter, and analog VU meters with peak LED.
4-channel rack-mount mic preamp with integrated stereo mixer. Each channel features API 2520 op-amp and AP2516 input transformer, 48V phantom power, 20 dB pad, polarity switch, stereo panning, post-fader aux send, and per-channel insert points. Includes master stereo mix outputs (balanced XLR + unbalanced 1/4"), aux return, and VU metering.
4-channel rack-mount mic preamp with API's classic AP2516 input transformer, proprietary output transformer, and API 2520 op-amps. Delivers up to 65 dB gain per channel with switchable mic/instrument inputs, 48V phantom power, 20 dB pad, polarity invert, and variable 3:1 output transformer tap.
Classic API microphone preamp in 500-series format, delivering the distinct API sound with up to 65 dB of mic gain via a fully discrete 2520 op-amp circuit.
Fully discrete 500-series mic/line/instrument preamp with switchable 3:1 output transformer tap and variable output level control, delivering the classic API 2520 sound with up to 65 dB of mic gain.
500-series line amplifier modeled after API's console 325 booster cards, using 2510/2520 discrete op-amps to amplify, attenuate, and add tonal character to line-level signals. Features continuously variable input trim, output ratio selector, 20 dB pad, calibrated level mode, and polarity switch.
Limited run of 50 individually serialized 1U rackmount channel strips combining the 312 Anniversary Edition mic preamp and 550A Anniversary Edition 3-band EQ on original Saul Walker 500-series PCBs. Hand-wired with vintage faceplate.
2-channel all-tube Class-A microphone preamplifier with API's proprietary AP2516 input transformer and custom output transformer, featuring 12AT7WC and 12BH7 vacuum tubes, variable input impedance, 48V phantom power, and analog VU meters.
16-channel recording console based on the vintage API 1604 with optional P-Mix motorized fader automation system. Adds modern features to the reliability and sound that API has been known for since its inception.
Classic API Console with 16, 32, or 48 inputs and optional Final Touch Automation® system. Installed in over 600 studios worldwide, characterized as the quintessential American recording console with clean, crisp tone and flexible routing.
Special Edition 1608-II Console with 550A, 560 EQ modules, and API's Final Touch Automation®. An analog recording console commemorating over 700 units delivered since 2008, featuring a vintage cream color aesthetic with legacy sound characteristics and modern motorized fader automation.
Large-format analog recording console available in 24, 32, or 40 channel configurations with inline architecture, per-channel 500 Series EQ slots, 8 multitrack buses, 8 auxiliary buses, and optional Final Touch Automation® system.
Large-format analog recording console with 32–80 expandable channels, full-complement 200-series and 500-series modules per channel, 24 main buses, 5.1 surround monitoring, on-board patchbay, 2500C stereo bus compressor, and optional Final Touch Automation.
Small-format recording and mixing console built on API's all-discrete circuitry, designed for professional project studios and DAW workflows. 4 input channels with mic/line/instrument preamps; ch 1–2 include integral 550A EQ, ch 3–4 have a 500-series module slot; two 527 compressors; 16-input summing bus; full monitor section with two stereo speaker systems; cue and talkback.
Large-format analog mixing and recording console scalable from 16 to 96 channels, with 16 main busses, 6 aux sends, and 2 stereo busses. Available in All Input or Split configuration. Succeeded by the AXS Console line.
8-channel compact recording console with API mic preamp circuitry, one 500-series slot per channel, on-board stereo bus compressor, 16-channel summing bus (24 during mix), full monitor section, cue/talkback, and integrated PSU. Entry point to the API console lineup.
Analog surround recording and mixing console designed from the ground up for surround work. Features surround assign and panning per fader, 5.1 mix bus, moving faders, simultaneous surround and stereo mixing, and comprehensive resettable switch automation. Available in 48, 64, and 80 channel configurations.
Updated iteration of API's Vision inline console with dual touch-screen automation, integrated DAW control via HUI/MCU, stereo/LCR/surround panning per channel, two 100 mm motorized faders per channel, and optional 200/500-series module bays. Available in 32–96 channels.
8-slot 500-series portable rack with internal universal PSU (250 mA/slot), DB-25 rear connectivity, phantom power, and channel linking toggle switches. Rack ears available separately.
10-slot 500 Series rack accepting all API standard 5.25" × 1.5" format modules. Features XLR input and output connectors wired PIN 2 hot. Includes the API L200PS external tri-polar power supply. Five-year warranty.
Portable 6-slot 500-series lunchbox with internal 250 mA/slot power supply, +48V phantom power bussed to all slots, DB-25 audio I/O for all slots, and XLR breakout for channels 7–8. Rack-ears available separately.
2U 12-slot rackmount chassis for API 200-series (L200) modules, with XLR audio I/O and TT jacks for sidechain/aux/mic. Requires external L200PS tri-polar power supply (sold separately).
Single-slot blank filler panel for API lunchboxes, 500VPR racks, and expansion slots on the 1608 console. Fills unused slots in 500-series modular systems.
200-Series DI module with high-impedance instrument input for guitar and bass. Features tone shaping (Thin/Fat), Bright switch, 20 dB pad, and transformer-coupled output capable of reaching professional line levels.
500 Series DI module for guitars, basses, and keyboards. Features 55 dB gain, Hi-Z front input, switchable 100K/400K load, passive two-band EQ (150 Hz / 8 kHz), BRIGHT switch, 20 dB pad, and transformer-coupled balanced output via API 2520/2510 op-amps.
Passive, sweepable HP/LP filter module for the API 200 Series console format. Features 6 dB/octave low-pass and 12 dB/octave high-pass using discrete transistor buffers with API 2510 and 2520 op-amps and transformer-coupled balanced output.
500-series three-stage filter module based on the API 215 console filter. Combines a sweepable high-pass shelf (20 Hz–400 Hz), sweepable low-pass shelf (500 Hz–20 kHz), and active twin-T notch filter (20 Hz–20 kHz, variable Q 0.95–15.3).
1U rackmount channel strip combining the 512c Mic Pre, 550A EQ, 527A Compressor with THRUST®, and 325 Line Driver in a single unit with dual 10-segment LED VU meters and complete rear-panel patching.
16-channel analog summing mixer based on THE BOX console's summing section, with API 2510/2520 op-amps, dual stereo program buses (Mix-A and Mix-B), per-channel insert points, and external 30W PSU.
Noise gate/expander module with fast operation for studio, live sound, and broadcast. Features threshold from -45 to +25 dBu, variable depth to -80 dB, adjustable release/hold (50 ms–3 s), 2:1 expander and noise gate modes, and API 2510/2520 op-amps.
Standalone desktop monitor controller derived from API's analog console center section, with 3 balanced analog inputs, AES3 and USB digital inputs, Bluetooth, 3 stereo balanced outputs, 2 headphone outputs, mono subwoofer output, talkback mic, and 18-segment stereo LED metering.
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