Millennia HV-3D4 Four Channel Microphone Preamp

Millennia HV-3D4 Four Channel Microphone Preamp

Authentic Transparency for Unrestricted Creativity

• Unsurpassed ambience retrieval
• Transformerless design with matched hi-speed discrete transistor octet has +23 dBu 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 dBu 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 universal power supply
• Grayhill gold mil-spec switching
• Silver Teflon power wiring
• Welded 16 gauge steel rack chassis
• Lovingly hand-crafted in Northern California

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• Minimum Gain: 8.5 dB
• Maximum Gain (1.5 dB per step, 36 steps): 60 dB (up to 70 dB on request)
• Frequency Response (+0 / -3 dB): sub 8 Hz to beyond 300 kHz (sub 3 Hz by request)
• Noise (60 dBu 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, +/- 4 V dc
• Power Consumption: 12 watts maximum
• Power Requirements: 100V to 240V, 50/60 Hz
• Dimensions: 19" W x 1.75" H x 12" D