230 Master Voice Channel Tube Mic Pre

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230 Master Voice Channel Tube Mic Pre

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Makes voices sound bigger than life!

The Aphex 230 Master Voice Channel Tube Mic Pre is an indispensable broadcast station tool. Youll find them in the production room, or installed as a permanent on-air feed-through for pumping up voices. The Aphex 230 also makes a powerful and easy-to-use channel for home and project studios with its reflected-plate amplifier tube mic preamp design plus compression, gating, de-esser, parametric EQ, aural exciter, and a bottom booster.

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)

230 Master Voice Channel Tube Mic Pre Specifications:

MIC INPUT
Connector XLR-3F
Type Transformerless, NPN active balanced, tube second stage
Input Z 2k ohms nominal
Maximum Input Level (MIL) 20k ohms
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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