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    Its design inspired by a legendary vintage American console mic preamp, the API 312A, the B12A Quad four channel microphone preamplifier packs a massive punch. With its transformer-coupled input and output stages and 70dB of gain on tap, the B12A Quad serves up heaping portions of low-noise headroom. Now you’ll finally be able to use your low-output ribbon mics on quiet sources! The B12A Quad imparts a bold sonic assertiveness that beefs up any signal you pass through it.

    The B12A Quad is a 4-channel version of the legendary single-channel B12A Mk2. More than just another 312A clone, the B12A Quad combines vintage-inspired sonics and modern features in a rugged 1RU chassis with a smart feature set that will satisfy the most demanding audio engineers. A revised gain stage and lower noise floor deliver cleaner sound with lower distortion, while CineMag input and output transformers keep things warm, creamy, and beefy. Two front-panel DIs impart harmonic richness to guitars, basses, and synths, while stepped input gain and variable output attenuation give you exacting control over transformer saturation. Per-channel metering displays how hot your output signal is hitting the parallel TRS/XLR outputs, while an external power supply keeps noise out of your tracks.






    • 4-channel preamp with USA CineMag input and output transformers
    • Designed and assembled in the USA
    • Bandwidth (1kHz, 150Ω unbalanced source, unweighted): 10Hz–30kHz
    • 70dB of gain handles any type of microphone, including low-output ribbons
    • Per-channel gain and output controls, phantom power, polarity reverse, 18dB pad, hi-Z switch, and DI input

    Technical Specifications

    • Preamp Type: Solid State
    • Number of Channels: 4
    • Phantom Power: Yes
    • Pads: Yes
    • Polarity Switch: Yes
    • Analog Inputs: 2 x 1/4″ (Hi-Z), 4 x XLR
    • Analog Outputs: 4 x XLR, 4 x 1/4″
    • Rack Spaces: 1U
    • Power Source: 5-pin AC Adapter power supply (included)
    • Manufacturer Part Number: B12AQUAD
    • External side-chain signal reception
    • Comprehensive meter section
    • Stereo and dual mono operation
    Field of application:
    • Bus compressor
    • Mastering compressor
    • Tracking compressor
    • Recording compressor

Extra informatie

Gewicht 9 kg


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