Aphex Channel Master Preamp and Input Processor  

Product #H76290

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Item Note:

This product has been discontinued but may be available as a Open Box item.

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Aphex

.A complete, high-performance channel strip.

With more and more studios foregoing consoles in favor of recording and mixing in the computer, a clean and versatile front-end input stage is indispensible. There are dozens and dozens of channel strips and similar devices to choose from, but none that come close to the Channel by way of sound, features or performance.

The legendary Model 230 has been re-imagined, adding a host of new features to address a greater number of workflows while retaining the sound, functionality and versatility that made it one of the most in-demand processors ever for professional audio, live sound, broadcast and post production.

The Channel incorporates seven powerful devices within a compact, single rack space design, including five of Aphex's exclusive patented technologies. Together, the result is the highest possible audio quality, processing power and flexibility available.

The elegant front panel not only looks great, but is laid out in an intuitive, easy-to-use workflow with easy to understand labeling. Building on the foundation of the Model 230, the Channel features an instrument input, dedicated output and gain reduction metering, front panel sample rate and clock source selection, and a reference quality internal clock.

Applications:

Broadcast
The Aphex Channel is a Tube Microphone Preamp and signal processor that is an indispensable broadcast station tool. You'll find them in the production room and installed as a permanent on-air processing for pumping up voices.

Recording Studios
The Aphex Channel is a powerful and easy-to-use channel strip for commercial and project studios, featuring our reflected-plate amplifier tube microphone preamp design plus compression, gating, de-esser, parametric EQ, Aural Exciter, and Big Bottom bass enhancement. It is an extraordinary single rack unit that offers 7 of Aphex's most popular tools that help you work more easily and naturally, achieving the sonic quality you want without connecting several devices.

Live Sound
When space is at a premium in a touring rig, and night after night reliability is essential, the rugged Aphex Channel provides all the top quality processing needed for any instrument without taking up precious rack space.

Features
  • Patented Reflected Plate Amplifier (RPA) Ultra-wide bandwidth Tube Preamp
  • EasyRider Class A Compressor automatically adjusts attack and release times
  • Logic Assisted Gate designed to avoid false triggers, clicks and chattering
  • De-Esser to maintain presence while dramatically reducing sibilance
  • Big Parametric EQ to precisely fine tune the all-important midrange
  • Aural Exciter for increased presence and clarity

A one rack space unit that does it all!

 

Channel Master Preamp and Input Processor Specifications:

  • MIC INPUT
    Connector: XLR-3F
    Type: Transformerless, NPN active balanced, tube second stage
    Input Z: 2k ohms nominal
    Maximum Input Level (MIL): +25dBu
    CMRR: >70 dB @ 60 Hz
    Nominal Preamp Gain: 20 to 65 dB
    Phantom Power: +48VDC
    Pad: 20dB
    EIN: -127dBu (Input Shorted)
    Tube Type: 12AT7/ECC81 Dual Triode

    OUTPUT
    Connector: XLR-3M and 1/4" TRS Phone Jacks
    Type: XLR is Impedance Balanced (may be used unbalanced); TRS is unbalanced
    Out Z Balanced: XLR 66 ohms
    Out Z Unbalanced: XLR 33 ohms; TRS 600 ohms
    Nominal Level: XLR +4dBu; TRS -10dBV
    Maximum Output Level: +25dBu Unloaded; TRS +11dBV

    COMPRESSOR
    Attack / Release: Program dependent, user variable release baseline
    Ratio: 4:1
    Threshold: Fixed
    Knee: Medium Hard

    GATE
    Attack: 0.1 millisecond
    Hold / Release: 300 milliseconds / 400 milliseconds
    Threshold: Variable -50 to +20dB
    Depth: Variable, 1 to 58dB

    DE-ESSER
    Attack: 0.1 millisecond
    Release: 100 milliseconds
    Threshold: Variable -20 to +20dB
    Ratio: 5:1
    Active Band: 4 kHz to 20kHz Linkwitz-Riley 24 db/octave crossover

    INSERT
    Connector type - Send: 1/4" TRS Phone Jack, Balanced
    Connector type - Return: 1/4" TRS Phone Jack, Balanced
    Nominal Operating Level: 0 dBu
    Point of Insertion: Between dynamics processing and equalizers

    BIG BOTTOM
    Frequency: 50 Hz to 280 Hz
    Tune: Off to +12dB

    PARAMETRIC EQ
    Frequency Tune: 240 Hz to 8 kHz
    Peak / Dip: ±12dB
    Q Range: 0.5 to 5

    AURAL EXCITER
    Frequency Tune: 500 Hz to 5kHz
    Mix: Off to +12dB

    ANALOG AUDIO
    THD: <.01% @ +4dBu Out
    IMD: <.01% @ +4dBu Out
    Freq Response (Flat): 18 Hz to 24kHz ±1dB

    DIGITAL AUDIO
    Internal Sample Rates: 44.1KHz, 48KHz, 88.2KHz, 96KHz
    External Sample Rates: Automatically syncs to any word clock between 32KHz and 96KHz
    Resolution: 24 bits
    Word Clock Input: BNC Jack, High Z, Captures <1Vp-p to 5Vp-p
    Word Clock Output: BNC Jack, 75 Ohms, 5Vp-p
    Dynamic Range: Digital dynamic range greater than analog front end
    Noise Dither: Dithered by analog preamp noise floor. Equivalent to 16-bit digital audio dither.
    Level Equivalency: -20dBFS Digital = +4dBu Analog

    OTHER SPECIFICATIONS
    Power requirements: 90-250 VAC 50-60 Hz 12W
    Dimensions: 19"W x 1.75"H x 8.25" D 1 Rack U (482.6mm x 44.5mm x 209.6mm)
    Depth Behind Front Panel: 7.5" (190.5mm)
    Net Weight: 6 lbs (2.73 kg)
    Shipping Weight: 9 lbs (4.1 kg)
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