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Aphex CHANNEL - Master Pre Amp and Input Processor Contact +1 206-617-9931 or rich@lunchboxaudio.com if you have any questions.
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) Tube Preamp
Ultra-wide bandwidth, maximum gain and headroom
Lower operating temperature than conventional tube designs for longer tube life
Each unit is individually tuned at the Aphex factory for unparalleled consistency – any two units are a matched pair
EasyRider Class A Compressor
Aphex’s patented Wave Dependent Compressor – automatically adjusts attack and release times according to program complexity
No-Knee compression curve circuitry – automatically adjusts compression ratio based on program levels
Includes Aphex’s 1001 Class A Voltage Controlled Attenuator, used in the Compellor and Dominator
Logic Assisted Gate
Patented gate technology designed to avoid false triggers, clicks and chattering
De-Esser
Split band universal de-esser designed to maintain presence while dramatically reducing sibilance on any voice
Big Bottom
Patented technology for deeper and more resonant bass with little or no increase in peak output
Parametric EQ
For the ability to precisely fine tune the all-important midrange between the Big Bottom and Aural Exciter.
Aural Exciter
Patented technology for increased presence and clarity with improved detail and intelligibility
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)