Aphex Channel Master Preamp and Input Processor
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.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.
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.
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.
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.
- 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
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
EIN: -127dBu (Input Shorted)
Tube Type: 12AT7/ECC81 Dual Triode
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
Attack / Release: Program dependent, user variable release baseline
Knee: Medium Hard
Attack: 0.1 millisecond
Hold / Release: 300 milliseconds / 400 milliseconds
Threshold: Variable -50 to +20dB
Depth: Variable, 1 to 58dB
Attack: 0.1 millisecond
Release: 100 milliseconds
Threshold: Variable -20 to +20dB
Active Band: 4 kHz to 20kHz Linkwitz-Riley 24 db/octave crossover
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
Frequency: 50 Hz to 280 Hz
Tune: Off to +12dB
Frequency Tune: 240 Hz to 8 kHz
Peak / Dip: ±12dB
Q Range: 0.5 to 5
Frequency Tune: 500 Hz to 5kHz
Mix: Off to +12dB
THD: <.01% @ +4dBu Out
IMD: <.01% @ +4dBu Out
Freq Response (Flat): 18 Hz to 24kHz ±1dB
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
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)