Millennia Media HV3D Solid State Mic Preamp
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’ transformer-less 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.
Features:
- Unsurpassed ambience retrieval
- Transformerless design with matched hi-speed discrete transistor octet has 23 dB input headroom: no attenuator “”pads”” needed
- Uncolored timbral accuracy at all dynamic levels
- 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
- Standard 36-step gain controls (1.5 dB per step) are stereomatched to .08 dB
- Ultra-clean toroid power supply
- Gold audio connectors and switches
- Mogami Neglex OFC audio wiring
- Silver Teflon power wiring
- Welded 16 gauge steel rack chassis
Specifications
- Minimum Gain 8.5 dB
- Maximum Gain (1 dB per step, 65 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)
- Inter-modulation 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
- Dimensions/Shipping Weight 19″” W x 3.5″” H x 12.5″” D, 25 lbs.