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.

With our Guaranteed Lowest Price, you can be assured of complete satisfaction and the lowest available price, or your money back!

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)

Aphex 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)