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Aphex Channel

Master Preamp & Input Processor


Aphex ChannelIn Stock
Aphex ChannelAphex Channel - Rear
The Aphex Channel high-performance channel strip incorporates seven powerful devices within a compact, single rack space design, including five of Aphex's exclusive patented technologies to deliver superb audio quality, processing power and flexibility.

Its elegant front panel is laid out in an intuitive, easy-to-use workflow and offers an instrument input, dedicated output and gain reduction metering, front panel sample rate and clock source selection, as well as a reference quality internal clock.

Aphex Channel 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 VCA, used in the Compellor and Dominator

Logic Assisted Gate:
• Patented gate technology designed to avoid false triggers, clicks and chattering

• 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

Aphex Channel 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

• 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
• Ratio: 4:1
• Threshold: Fixed
• 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
• Ratio: 5:1
• 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

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)

List Price: $1,299.00
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