Aphex 230 Master Voice Channel - Used
Note this is a used item
The Aphex 230 Master Voice Channel Tube Mic Pre stands as an essential tool in broadcast stations, commonly found in production rooms or set up as a permanent on-air feed-through to enhance vocal presence. Beyond broadcasting, the Aphex 230 serves as a versatile and user-friendly channel for home and project studios.
Featuring a reflected-plate amplifier tube mic preamp design, the Aphex 230 offers a comprehensive set of functions including compression, gating, de-esser, parametric EQ, aural exciter, and a bottom booster. With its range of capabilities, this unit empowers users to elevate vocal recordings effortlessly.
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)
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)