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Product 182029

Audient ASP008 - 8 Channel Variable Input Impedance Mic Pre-amp

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Amongst audio professionals, Audient equipment is renowned for its ability to provide high performance, transparent sound, and intelligent ergonomic ...Click To Read More About This Product

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Audient sets the price/performance standard for multichannel preamps.

Amongst audio professionals, Audient equipment is renowned for its ability to provide high performance, transparent sound, and intelligent ergonomic design in a cost-effective package. The ASP008 is a compact, 1U rack mount unit featuring eight ultra-high-quality mic preamplifiers developed from the outstanding mic pre design used in the acclaimed ASP8024 recording console. (The ASP8024 rivals the sound of many "A" room consoles at a fraction of the cost.) If you're looking to add eight great preamps to your studio or portable rig for a remarkably reasonable price, we recommend a close look at the ASP008. The ASP008 also comes with digital output options including ADAT and AES, making it a perfect companion for Pro Tools LE systems. (See the ASP008-ADAT #182031 and ASP800-AES #182032).

Audient ASP008 8 Channel Variable Input Impedance Mic Preamp, First Take:

  • 8 channels of ultra-high-quality preamps in 1U chassis

  • Transparent audio with variable impedance for tone shaping

  • Electronically balanced XLR I/O and two instrument DIs

  • Eight ultra-high-quality preamps in 1U

    The one rackspace design uses an 8 transistor discrete Class A front end with extended bandwidth and a noise floor close to the theoretical Johnson limit. (Johnson noise is random white noise generated by thermal agitation of electrons, and is the limiting minimum noise any circuit can attain at a given temperature.) Carefully chosen close tolerance components are used to achieve high Common Mode Rejection at all gain settings (eliminates unwanted RF and electromagnet field-generated noise allowing long cable runs) and distortion is minimized to less than 0.001% at 20dB gain and +10dBu output. This outstanding technical performance delivers a mic amp with incredible transparency and detail without coloration or other unwanted artifacts.

    Transparent audio with variable impedance

    Audient's design philosophy as far as sound quality is concerned is to make the most transparent sounding preamps possible. According to founder and designer Dave Dearden, colored preamps tend to become one-trick-ponies, since that color may not be appropriate for every recording application. However, with transparent preamps, you have the option of adding color later on. To achieve this, the ASP008's preamps boast an ultra-wide frequency response of -0.3dB @10Hz to -3dB @300kHz at unity gain, and a Total Harmonic Distortion rating of better than 0.007% at 1kHz any gain setting. If you know your specs, you know that this is pretty incredible, especially when you realize that you only find specs such as this on single-channel preamps costing twice as much as the Audient 8channel ASP008. Each microphone amp on the Audient ASP008 also features switchable input impedance, which allows you to explore subtle variations in microphone character and achieve the best performance for your mics.

    Electronically balanced XLR I/O

    The ASP008 has been designed and developed to provide highly robust system integration interfaces, allowing worry-free system hook-up under the most demanding situations. Inputs and outputs are implemented using advanced electronically balanced topologies and are fitted with extensive RFI rejection networks. Additionally, Channels 1 and 2 have front panel mounted unbalanced high impedance jack inputs to allow instruments to be directly connected to the ASP008. Electronically balanced microphone inputs are provided on 3pin XLR female connectors with Pin 2 Hot and Pin 3 Cold. Pin 1 is permanently connected to the ASP008 chassis and thereby to the safety earth. Line level inputs and outputs are provided on 25 pin D Sub female type connectors with 4-40 screw thread jack posts. Wiring is in accordance with the TASCAM DA88 convention.

    All channels feature 'soft start' 48V phantom power, switchable input impedance, 25-250Hz hi-pass filter, line input selection, and phase reverse. Channels 1 and 2 also feature a -20dB attenuator and a high-impedance Instrument/DI input on a front panel mounted jack. LEDs provide indication of signal present and overload.

    Who is Audient and what makes them so cool

    While British-based Audient is fairly new on the scene (1998), the company's founders have quite a long and respectable pedigree. Co-founder David Dearden has worked with David Manley (original owner of Manley Laboratories), Eddie Offord (Emerson, Lake and Palmer, Yes), and was involved in building a custom console and private studio for John Lennon for his Imagine sessions, followed by studios for George Harrison, Ringo Starr, Gus Dudgeon (producer, Elton John, David Bowie), and Chris Squire of Yes. After three years with MCI and two years with Soundcraft, David Dearden and Gareth Davies (also from Soundcraft) formed DDA (Dearden Davies Associates), a maker of high-quality analog consoles. When DDA became part of the Klark Teknik Group, he also designed the Midas XL200 live sound console and did the initial concept and design of the Midas H1000 console. Midas consoles are generally acknowledged by FOH professions to be one of the, if not the best live sound consoles in existence. In 1997 Dearden rejoined with Gareth Davies to form Audient, whose products are typified by high performance, intelligent ergonomics, and transparent sound quality. Notable users of Audient gear include Abbey Road Studios, Pete Townshend's Eel Pie Recording, and England's Royal Academy of Music.

    Discrete Class A front end
    Switchable input impedance
    Two Instrument inputs
    Variable Hi-Pass filter on all inputs
    Line level input on all channels
    Phase invert on all channels
    Signal status indication

    48V: Phantom Power On/Off with 'soft start' feature to avoid thumps
    INST/DI: Ch 1&2 only. Selects instrument jack with input impedance > 1M ohm
    -20dB: 20dB Pad (CH1 &2 ONLY)
    LINE: Selects Line level input with input impedance of 10k ohm
    Polarity: Polarity invert
    Filter: Selects 12dB/octave Hi-Pass filter - range 25Hz to 250Hz
    PK: Indicates signal levels within 4dB of clipping
    SIG: Indicates signal levels above -25dBu
    I/P Z: Input impedance select; 200/1200/5000 ohms
    GAIN: MIC/DI 0 to 60dB. LINE -20 to 40dB

    MIC Input: Electronically balanced XLR with variable input impedance
    LINE Input: Electronically balanced 25 pin D wired to DA88 standard
    INST/DI Input: Unbalanced front panel mounted jack
    LINE Output: Electronically balanced 25 pin D wired to DA88 standard

    Maximum input/output level: +21.5dBu
    THD: Typically better than 0.007% at 1kHz any gain setting
    EIN: Better than -127.5dB @ 60dB gain/ref 150 ohms
    Frequency Response: -0.3dB @10Hz to -3dB @300kHz at unity gain
    CMRR: Better than 75dB at 1kHz and 60dB gain
    Dimensions (W x H x D): 18.9" x 1.73" x 10.94", (480mm x 44mm x 278mm)
    Weight: 4.5Kg
    Power consumption: 40 watts
    See All Audient Microphone Preamps
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