HV-3D-8 Eight Channel Microphone Preamplifier
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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 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 universal power supply
- Gold switches
- Mogami Neglex OFC audio wiring
- Silver Teflon power wiring
- Welded 16 gauge steel rack chassis
Options:
- Ribbon optimized DC coupled input - $100/channel
- Extra 10dB gain - no charge
- DPA 130V input - $300/channel
- Dante, AES or MADI digital outputs
Specifications:
| Minimum Gain | 1 dB |
| Maximum Gain (1 dB per step) | 64 dB |
| Attenuator Pad | -20 dB |
| Frequency Response (analog output option) (+0 / -3 dB) | sub 8 Hz to beyond 200 kHz (analog) |
| Noise (60 dBu Gain, 10 Hz - 30 kHz, Inputs common) | -130 dB EIN |
| Total Harmonic Distortion + Noise (35 dB Gain) | < .005%, (<.001% Typ.) |
| Intermodulation Distortion (50 Hz & 7 kHz), 35 dB Gain, 0 dBFS | < .0009% |
| Phase Response (35 dB Gain, 50 Hz - 20 kHz bandwidth, 0 dBFS | < 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) | > 25 Volts per microsecond |
| Maximum Input Level (20 Hz - 40 kHz) | +34 dBu (pad in) |
| Maximum Output Level (20 Hz - 40 kHz) | +22 dBu (analog output option) |
| Phantom Input Impedance (1 kHz) | 6,750 ohms |
| Output Impedance | 24.3 Ohms (analog output option) |
| Phantom Powering | +48 V dc, +/- 2 V dc, 15 ma per channel in reserve |
| Power Consumption | 100 watts maximum AC: Universal 80-264V, 47-63 Hz DC: 12V |
| Dimensions/Shipping Weight | 19" W x 1.75" H x 16" D, 10 lbs. (16ch), 9 lbs (8ch) |
| DANTE | |
| Physical Layer | Ethernet |
| Connectors | Dual RJ-45 (Primary / Secondary) |
| Cable Quality | CAT-5e or better |
| Transmission Speed | 1Gbps |
| Supported Sample Rates | 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz |
| Minimum Dante Latency | 250 µS |
| Supported Modes | Redundant / Switched |
| AES67 Support | Planned (Dante embedded) |
| Certifications | FCC CFR 47 Part 15 Subpart B, Class A ICES-03 Issue 6 (Canada) ANSI C63.4-2014 EN 55032:2015, EN 55035:2017, EN 61000-3-2:2014, EN 61000-3-3:2013 |
| Compliance | RoHS 2011/65/EU (and delegated directive (EU) 2015/863) WEEE 2012/19/EU + REACH |
| Environmental | -10o to +65oC / +15o to +150oF (fans enabled) -10o to +45oC / +15o to +115oF (fans disabled) 10% to 80% RH Maximum Altitude: 5,000 meters |
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Free shipping on orders over $100
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