Millennia HV-3D-4
MPN #HV-3D/4
$4395.00
Save 13.7%, MSRP $5092.00
Four channel version of HV-3C mic preamp . With unmatched performance, it is Millenia's flagship preamp topology.
The Millennia HV-3D (tm) is a four channel, fully matched microphone preamplifier of uncompromising sonic character, technical specification, and mechanical workmanship. The HV-3D offers multiple channels of HV-3C preamplifiers at significantly less per-channel cost.
With circuitry identical to Millennia's acclaimed HV-3C series high voltage microphone preamplifier, the HV-3D offers high resolution gain switching (36 steps @ 1.5 dB per step), optional B&K (DPA) 130V mic input option on every channel, DC-coupled input option on every channel for optimizing ribbon and other dynamic mics, a passive summing option, and future options, including remote gain control (late 2005).
Unlike preamps using vacuum tubes, IC function modules, and audio transformers (all of which lend their own audio coloration), Millennia's HV-3 micamp architecture is precisely optimized towards capturing the subtlest detail of music and ambience. With +23 dBu native input headroom, the HV-3D requires no input pads or switch points as found on common "textbook" preamp designs - thus avoiding yet another source of sonic degradation. Moreover, with its +32 dBu output headroom, ultra-high dynamic stability and linearity is assured.
HV-3D signal path from input through output is entirely balanced with a minimum amplifier topology. Uncompromising circuit design with meticulous selection and matching of critical components assures consistently transparent audio performance at all dynamic excursions and frequency extensions. Moreover, standard audio cables over 1000 feet in length have been driven from HV-3 mic preamps with no immediately detectable signal degradation.
Options:
DPA (B&K) +130 V mic inputsDC inputs for ideal performance with dynamic and ribbon microphonesHDOE Output expansion option for three outs per channelAD-D96 analog to digital converter cardMADI-D MADI output cardDante-D Dante network output card
Features
Unsurpassed ambience retrievalTransformerless design with matched hi-speed discrete transistor octet has 23 dB input headroom: no attenuator "pads" neededUncolored timbral accuracy at all dynamic levelsEntirely balanced audio path with precision components maintains signal integrity: THD under 5 ppm (.0005%)Effortless, vividly realistic, musical performanceLaser-trimmed FET-based output stage has 32 dB headroom: drives 1000 foot (300 m) cable runs with easeStandard 36-step gain controls (1.5 dB per step) are stereo matched to .08 dBUltra-clean toroid power supplyGold audio connectors and switchesMogami Neglex OFC audio wiringSilver Teflon power wiringWelded 16 gauge steel 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 12.5" D, 25 lbs.
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