Rupert Neve Designs Portico 5012V Duo Mic Preamplifier

The vertical Rupert Neve Designs 5012 Duo Mic Preamplifier is a dual-channel microphone pre-amplifier built with Rupert Neve's custom input and output transformer circuits. The pre-amplifier is electronically balanced and designed to minimize the effects of hum, radio interference, and other dissonant noise from altering your sound. The vertical version of this module is a half-rack unit intended to be mounted in a small vertical rack or a bracket or tray that is itself mounted in a conventional 19" horizontal rack.
The microphone inputs use a transformer-like-amplifier chip and a toroidal Common Mode Rejection low-pass filter to reject frequencies above 150,000 Hz. This prevents odd high-frequency harmonics from altering the sound quality of your recording signal chain. After the high-frequency rejection stage, the pre-amp uses an input transformer that provides +25 dBu of input signal at unity gain without the need for a pad. The combination of an electronically balanced circuit with a true transformer amplifier stage allows the device to retain the Rupert Neve's sound in a small form factor.
The back panel of the device features an XLR input for channels A and B, an XLR output for each channel, and 4 x 1/4" TRS connectors for connecting Portico bussing modules to the signal chain.

Rupert Neve Designs Portico 5012V Features:

• Silk
  The Silk knob on the front panel of the pre-amplifier reduces negative feedback and adjusts the frequency response of the signal to make the sound smoother and more pleasing
• Level Meter
  Each channel in the pre-amplifier features an output-reference level meter ranging from -30 to 22 dBu
• Mute
  The Mute button cuts the output signal post metering and pre-buss output in the signal chain
• High-Pass Filter
  The pre-amp includes a High-Pass Filter that allows you to attenuate signals between 20 and 250 Hz. This is useful for removing motor hum, air, handling noise, and building rumble from the signal chain
• Phantom Power
  The pre-amp can provide 48V of phantom power to each channel
• Buss Output
  For connecting the pre-amp to other Portico Buss Amp/Monitoring modules, the pre-amp includes an unbalanced high-impedance Buss output. A TRS patch cord is used to connect the pre-amp to the other Portico unit
• Phase Button
  The pre-amplifier includes a Phase button that inverts the output polarity 180 degrees.

Rupert Neve Designs Portico 5012V Specifications:

• Connectors 

  2 x balanced XLR microphone connectors

  2 x balanced XLR connectors

  4 x 1/4" TRS bussing module connectors

• Frequency Response

  Main Output, no load

  -0.2 dB at 10 Hz

  -3 dB at 160,000 Hz

  Buss output measured at the 5014 monitor Buss-Mix Amplifier Output

  -0.2 dB at 10 Hz

  -3 dB at 160,000 Hz

• Noise
  Measured at Main Output, unweighted, 22 to 22,000 Hz

  Terminated 150Ω

  With gain at unity: better than -100 dBu

  With gain at 66 dB: better than -62 dBu

  Equivalent Input Noise: better than -128 dBu

  Noise Factor: 1.5 dB

• High-Pass Filter
  Continuously variable swept frequency from 20 to 250 Hz
  Slope: 12 dB/octave

• Gain
  Unity to 66 dB in 6 dB steps

  Trim continuously adjustable from -6 to 6 dB
  Buss I/O
  Output is designed to feed the 5014 Monitor Buss mix amplifier at the internal system level of -2.5 dBu

  Output level of the 5014 is equal to that of the 5012

• Maximum Output Level
  Maximum Output from 20 to 40,000 Hz: 25 dBu

• Mute
  Mutes main output only

• Total Harmonic Distortion/Noise
  At 1,000 Hz: 20 dBu output

  Main Output: better than 0.001%

  Buss Output measured at the 5014 monitor buss-mix amplifier output: better than 0.002%

  At 20 Hz, 20 dBu output

  Main Output: better than 0.002%

  Silk Engaged: better than 0.2% second harmonic

• Crosstalk
  Measured channel to channel: better than -90 dB at 15,000 Hz

• Phantom Power
  +48 VDC ±1%

• Power Requirements
  Voltage range: 9 to 18 VDC

• Current Consumption:

  At 9 VDC, current is 1.3 A typical: Power= 11.7W

  At 12 VDC, current is 1.0 A typical: Power= 12.0W

  At 15VDC, current is 0.8 A typical: Power= 12.0W

  At 18VDC, current is 0.65 A typical: Power= 11.7W

• Dimensions (LxHxD)
  9 x 1.75 x 8.5" (22.86 x 4.45 x 21.6 cm)

• Weight
  8 lb (3.6 kg)