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HomepageMic PreampsMulti-Channels Mic-Preamp › Millennia HV-3R
Millennia HV-3R

The Millenia HV-3R is a 8 channel high quality preamp with remote capabilities. With unmatched performance, it is Millenia's flagship preamp topology.

The HV-3R has a plug 'n play Pro Tools interface via MIDI. Using Ethernet, and a Remote PC or Mac application, you can manage a complex system from anywhere: around the corner or around the world.

Mic preamplifiers magnify the input as much as 1000:1. There's no "Undo" after this point. Coloration or distortion become part of the signal. Lost information can never
be recovered. The HV-3 Series' open, transparent signal path has defined "high
definition" since its introduction. Location recording is a high-wire act, with only one chance to capture the living moment of performance in its original ambience. The HV-3 Series is designed to transmit microphone signals to recording devices unaltered and has proven its ability to drive extremely long cable runs.

The HV-3 Series was developed to be accurate enough for the world's finest acoustic recordings. Textbook theory is an incomplete guide, and test instrument readings don't
reliably measure the quality of the listening experience. Millennia took a rigorously empirical approach, exploring many design approaches by attempting to perfect each one. Experimental designs were evaluated on the lab bench and in our own production facility, where they could compare recordings directly to live performances. This resulted in satisfying themselves that there's no such thing as a straight wire with gain. However, the HV-3 Series' transformerless input, balanced audio path, minimal amplifier design has brought them closer than any other to a goal of absolute accuracy and uncompromised sonic realism.

Today, over 25,000 channels are performing in symphonic halls, stadium concerts and studios of all sizes and shapes. Whatever the venue or musical style, the HV-3 Series delivers the authentic sound of vocalists, acoustic instruments, drums, triple guitar stacks... delighting artists, engineers, producers and listeners around the world.


  • DPA (B&K) +130V mic inputs
  • DC inputs for ideal performance with dynamic and ribbon microphones
  • HROE Output expansion option for three outs per channel
  • Features
  • Control up to 792 channels (99 units) at once via Ethernet: TCP/IP addressing allows control via the Internet
  • Plug n play Pro Tools interface via MIDI
  • AE-logic Windows/OS X software offers total control
  • Hi-definition meters, unlimited groups, scene management, voltage/temperature monitoring...
  • Gain control via ultra-quiet gold contact relays
  • Transformerless design with matched hi-speed discrete transistor octet has 23 dB input headroom: no pads needed
  • Entirely balanced audio path with precision components maintains signal integrity: THD under 5 PPM (.0005%)
  • Effortless, vividly realistic musical performance
  • Laser-trimmed FET-based output stage has 32 dB headroom: drives 1000 foot (300m) cable runs with ease
  • Gain controls (1 dB per step) are stereo-matched to .08 dB
  • Ultra-clean toroid power supply
  • Mogami Neglex OFC audio wiring, silver Teflon power wiring
  • Aluminum 16 gauge rack chassis
  • Specifications
    Minimum Gain
    8.5 dB

    Maximum Gain (1.5 dB per step, 36 steps)
    65 dB (up to 75 dB on request)

    Frequency Response (+0 / -3 dB)
    sub 3 Hz to beyond 300 kHz

    Noise (60 dB Gain, 10 Hz - 30 kHz, Inputs common)
    -133 dB EIN

    Total Harmonic Distortion + Noise (35 dB Gain, 10 Hz - 20 kHz bandwidth, +27 dBu Out)
    < .001%, Typ. < .0005% (< 5 ppm)

    Intermodulation Distortion (50 Hz & 7 kHz) 35 dB Gain, +27 dBu Out
    < .0009%

    Phase Response (35 dB Gain, 50 Hz - 20 kHz bandwidth, +27 dBu Out)
    < 2 degrees deviation

    Common Mode Rejection Ratio (35 dB Gain, 10 Hz - 20 kHz bandwidth, 100 mV C.M.)
    > 65 dB, Typ > 85 dB

    Slew Rate (35 dB Gain, +27 dBu Out)
    > 25 Volts per microsecond

    Maximum Input Level (20 Hz - 40 kHz)
    +23 dBu (no attenuator pads required)

    Maximum Output Level (20 Hz - 40 kHz)
    +32 dBu

    Phantom Input Impedance (1 kHz)
    6,750 ohms

    Output Impedance
    24.3 Ohms (x2)

    DPA (B&K) Mic Powering
    +130 V dc max, (non-phantom)

    Phantom Powering
    +48 V dc, +/- 2 V dc

    Power Consumption
    45 watts maximum

    Power Requirements
    Selectable: 100-120, 200-240 V ac, 50/60 Hz

    Dimensions/Shipping Weight
    19" W x 3.5" H x 16" D, 19 lbs.
    Price *
    Free shipping in Canada. Conditions
    Additional information
    For more information about the HV-3R, please visit the website of Millennia
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