Aphex Systems 230 Master Voice Channel Processor

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Features:

Reflected Plate Amplifier Tube Mic Preamp
EasyRider Compressor
Logic Assisted Gate
Split Band de-esser
Aural Exciter
Parametric EQ
Big Bottom
+4 dBu and -10 dBV outputs
24 Bit 96 kHz A/D
AES, SPDIF and Optical outputs
Low jitter word clock output
Word Clock Input
Cough Switch (Soft Mute)

COMPRESSOR
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
	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)

Aphex Systems 230 Master Voice Channel Processor datasheet
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