Aphex 207D - Dual Channel Tube Microphone/Instrument Preamplifier with Digital Output

B&H # AP207D MFR # 207D
Aphex 207D Preamplifier


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The 207D is an affordable, audiophile quality, dual channel tube microphone preamp that can power vintage condensers, ribbons, electrets and dynamic microphones. AES/EBU and S/PDIF digital outputs, with up to 96kHz sampling rates and Word Clock connection, offer direct digital connection throughout the signal chain.

The instrument inputs are quiet and have plenty of gain and the MicLim limiter circuitry from Aphex, makes the unit virtually crash proof, while making it a perfect front end for digital recorders. A pair of 1/4" TRS phone connectors provides insert points between the unit's front-end and tube output stage.

By combining the best traits of tube and solid state circuitry, the 207D captures a sound that is warm and full, whether for recording, mixing live, broadcasting or webcasting.

Two independent, low-noise channels of tube amplification
AES/EBU and S/PDIF digital outputs with up to 96kHz sampling rates
Microphone and instrument inputs on each channel
MicLim limiter on each channel
Microphone input delivers 20dB to 65dB of continuously variable gain
Switchable 48V phantom power with ramp up feature
Delayed turn-on to avoid sonic "thumps" from damaging speakers
Polarity, 20dB pad and low cut filter switches per channel
LED headroom meter display for each channel
Switchable -10dBV or +4dBu operating level
Number of Channels 2
Inputs 2 x XLR
2 x 1/4" TS phone
2 x 1/4" TRS phone Insert
1 x BNC Wordclock
Output 2 x XLR
2 x 1/4" TRS phone
1 x RCA coaxial S/PDIF
Phantom Power 48V, individually switchable
Multi Function Limiter
Gain Range 20dB to 65dB
Maximum Output Level +21dBu, unloaded
Frequency Response 30Hz to 30kHz, +0,-0.5dB
Noise EIN: -129dBu (input shorted)
Dimensions (WxDxH) 19" x 8 1/4" x 1 3/4"
Weight 6 lbs
Specialties Delayed turn-on
Internal switch-mode power supply for touring applications
Packaging Info
Box Dimensions (LxWxH) 25.3 x 13.4 x 4.0"
Aphex 207D - Dual Channel Tube Microphone/Instrument Preamplifier with Digital Output
  • AC Power Cable
  • One (1) Year Warranty
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