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.

Aphex 230 Master Voice Channel Tube Mic Pre Specifications:

• MIC INPUT y
• y Connector XLR-3F
• y Type Transformerless, NPN active balanced, tube second stage
• y Input Z 2k ohms nominal
• y Maximum Input Level (MIL) 20k ohms
• y CMRR >70 dB @ 60 Hz
• y Nominal Preamp Gain 20 to 65 dB
• y Phantom Power +48VDC
• y Pad 20dB
• y EIN -127dBu (Input Shorted)
• y Tube Type 12AT7/ECC81 Dual Triode
• OUTPUT y
• y Connector XLR-3M and 1/4" TRS Phone Jacks
• y Type XLR is Impedance Balanced (may be used unbalanced); TRS is unbalanced
• y Out Z Balanced XLR 66 ohms
• y Out Z Unbalanced XLR 33 ohms; TRS 600 ohms
• y Nominal Level XLR +4dBu; TRS -10dBV
• y Maximum Output Level +25dBu Unloaded; TRS +11dBV
• COMPRESSOR
• y Attack / Release Program dependent, user variable release baseline
• y Ratio 4:1
• y Threshold Fixed
• y Knee Medium Hard
• GATE
• y Attack 0.1 millisecond
• y Hold / Release 300 milliseconds / 400 milliseconds
• y Threshold Variable -50 to +20dB
• y Depth Variable, 1 to 58dB
• DE-ESSER
• y Attack 0.1 millisecond
• y Release 100 milliseconds
• y Threshold Variable -20 to +20dB
• y Ratio 5:1
• y Active Band 4 kHz to 20kHz Linkwitz-Riley 24 db/octave crossover
• INSERT
• y Connector type - Send 1/4" TRS Phone Jack, Balanced
• y Connector type - Return 1/4" TRS Phone Jack, Balanced
• y Nominal Operating Level 0 dBu
• y Point of Insertion Between dynamics processing and equalizers
• BIG BOTTOM
• y Frequency 50 Hz to 280 Hz
• y Tune Off to +12dB
• PARAMETRIC EQ
• y Frequency Tune 240 Hz to 8 kHz
• y Peak / Dip ±12dB
• y Q Range 0.5 to 5
• AURAL EXCITER
• y Frequency Tune 500 Hz to 5kHz
• y Mix Off to +12dB
• ANALOG AUDIO
• y THD <.01% @ +4dBu Out
• y IMD <.01% @ +4dBu Out
• y Freq Response (Flat) 18 Hz to 24kHz ±1dB
• DIGITAL AUDIO
• y Internal Sample Rates 44.1KHz, 48KHz, 88.2KHz, 96KHz
• y External Sample Rates Automatically syncs to any word clock between 32KHz and 96KHz
• y Resolution 24 bits
• y Word Clock Input BNC Jack, High Z, Captures <1Vp-p to 5Vp-p
• y Word Clock Output BNC Jack, 75 Ohms, 5Vp-p
• y Dynamic Range Digital dynamic range greater than analog front end
• y Noise Dither Dithered by analog preamp noise floor. Equivalent to 16-bit digital audio dither.
• y Level Equivalency -20dBFS Digital = +4dBu Analog
• OTHER SPECIFICATIONS
• y Power requirements 90-250 VAC 50-60 Hz 12W
• y Dimensions 19"W x 1.75"H x 8.25" D yy1 Rack U y(482.6mm x 44.5mm x 209.6mm)
• y Depth Behind Front Panel 7.5" (190.5mm)
• y Net Weight 6 lbs (2.73 kg)
• y Shipping Weight 9 lbs (4.1 kg)

Aphex 230 Master Voice Channel Tube Mic Pre 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)

Order today and work magic with less-than-perfect voices.