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A-Designs

18 products

Preamp

  • EM-Gold Preamp

    EM-Gold Preamp

    A 500-series transformer-coupled mic preamp and DI that combines the steel output transformer of the EM-Silver with the proprietary nickel/steel input transformer of the EM-Red, delivering a dark, low-mid-forward character ideal for fattening thin sources. No longer in production.

  • EM-Silver 500 Series Preamp/DI

    EM-Silver 500 Series Preamp/DI

    A 500-series transformer I/O microphone preamp and DI with custom-wound steel input and output transformers that deliver the darkest tonal character in the EM module lineup — ideal for ribbon microphones, bass guitar, and keyboards. No longer in production.

  • KGB-II

    KGB-II

    A dual-channel instrument preamplifier with two independent preamp channels in one box, featuring CineMag output transformers and discrete custom operational amplifiers, designed for stereo keyboards, dual instruments, and stereo guitar effects pedals. No longer in production.

  • MP-2A Stereo Tube Microphone Preamplifier

    MP-2A Stereo Tube Microphone Preamplifier

    A dual-channel, all-tube microphone preamplifier with discrete circuitry, point-to-point wiring, EF86 and 6N1P tubes, and custom Cinemag transformers, suitable for virtually any microphone or instrument source.

  • P1 Preamp (500-Series)

    P1 Preamp (500-Series)

    A 500-Series microphone preamplifier and DI inspired by the Pacifica, featuring custom CineMag transformers, discrete Class A circuitry, up to 72dB of gain, and a front-panel Hi-Z instrument input. Handmade in the USA.

  • Pacifica Mic Preamp

    Pacifica Mic Preamp

    A stereo microphone preamplifier inspired by the 1970s Quad Eight Pacifica console, featuring solid-state electronics with custom Cinemag transformers, dual front-panel Hi-Z DI inputs, and up to 72dB of gain.

  • Ventura Microphone Preamp, EQ and D.I. Box

    Ventura Microphone Preamp, EQ and D.I. Box

    A three-in-one 1U combination unit featuring an independent microphone preamp with Jensen input transformer, 3-band parametric EQ inspired by the Quad Eight design, and instrument preamp/D.I., with separate access inputs and outputs for each section. No longer in production.

  • Ventura SE

    Ventura SE

    A 1RU rackmount unit combining an independent microphone preamp with Jensen input transformer and Cinemag balanced outputs, instrument preamp/DI, and a modified Quad Eight-style 3-band parametric EQ with three discrete signal paths and flexible insert routing. No longer in production.

Equalizer

  • EM-EQ2

    EM-EQ2

    A dual-mono, three-band Pultec-style solid-state equalizer in a 2U rackmount chassis, faithfully preserving the EQ section design and musicality of the original Pultec with a proprietary nickel-core CineMag output transformer and custom-wound tapped inductor.

  • EM-PEQ 500 Series Equalizer

    EM-PEQ 500 Series Equalizer

    A 500-Series single-slot module that recreates the Pultec EQP-1A passive equalizer design with a custom-tapped Cinemag inductor, nickel-core Cinemag output transformer, Gold Grayhill rotary switches, and true hard-wired bypass. API VPR Alliance approved.

  • Hammer 2 Dual-Mono Tube EQ

    Hammer 2 Dual-Mono Tube EQ

    A dual-mono, three-band tube equalizer for mixing and mastering featuring a 12AT7 tube circuit, floating Q that self-adjusts to gain and program material, and a frequency range spanning 30Hz to 40kHz.

  • HM2EQ Hammer Dual Channel Tube EQ

    HM2EQ Hammer Dual Channel Tube EQ

    A dual-mono, three-band tube/hybrid equalizer featuring a tube-harmonic filtering system with floating Q, two transformer-less 12AT7 tubes, and continuously variable boost/cut of ±12dB per band from 30Hz to 15kHz. Superseded by the Hammer 2. No longer in production.

Di Box

  • REDDI All-Tube Direct Box

    REDDI All-Tube Direct Box

    An all-tube direct box featuring a 6N1P tube, custom Cinemag output transformer, and a circuit topology inspired by the Ampeg B-15 bass amplifier, delivering warmth and harmonic character to direct signals.

  • REDDI V2 Dual-Channel All-Tube Direct Box

    REDDI V2 Dual-Channel All-Tube Direct Box

    A dual-channel, all-tube direct box featuring custom-wound CineMag transformers in a 2RU rack chassis, combining two independent REDDI channels inspired by the Ampeg B-15 circuit for bass, stereo keyboards, and synthesizers.

Compressor

  • NAIL Tube Compressor

    NAIL Tube Compressor

    A solid-state/tube hybrid dual-channel compressor/limiter with a Hard Threshold control, variable sidechain high-pass filter, continuously variable Mix control for parallel compression, and switchable stereo link or dual-mono operation.

Rack Mount

  • 503HR 3-Space 500-Series Rack

    503HR 3-Space 500-Series Rack

    A horizontal, single-rack-unit (1RU) chassis designed to house three 500-series modules, with a three-position FEED switch for internal signal routing, an external power supply with LED display, and a three-LED voltage rail indicator. No longer in production.

Summing Mixer

  • Mix Factory

    Mix Factory

    A 16-channel hybrid analog summing unit with per-channel gain, pan, and mute controls, two D-sub input connectors, stereo XLR output, insert points per 8-channel group, and selectable Cinemag output transformer tonal coloring. No longer in production.

Utility

  • ATTY Stereo Attenuator

    ATTY Stereo Attenuator

    A transparent passive stereo line-level attenuator with a single stereo level control knob, a dedicated Mute/Panic button, balanced combo jack inputs, and balanced XLR outputs. Handmade in the USA.

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