Millenia Media HV-3C Stereo Microphone Preamplifier

Info

The acclaimed Millennia stereo mic preamp circuits — in use by a who's who in critical acoustic recording worldwide. High resolution (HR) gain switches are standard. BK and DC options available.

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 (300 m) cable runs with ease
Standard 36-step gain controls (1.5 dB per step) are stereo matched 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

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 12 watts maximum
Power Requirements Selectable: 100-120, 200-240 V ac, 50/60 Hz
Dimensions/Shipping Weight 19" W x 1.75" H x 12" D, 15 lbs.