Millennia HV-3D 8 Channel

8-channel preamplifier

• 8-channel reference Millennia HV-3C preamplifier
• Ultra-transparent audio quality without coloration
• High headroom up to +32 dBu for professional applications
• Extremely low noise (-133 dB EIN)
• Universal power supply with internal shielded PSU
• Compatible with DPA microphones (optional +130V power supply)
• Precise gain control with 1.5 dB steps
• Rugged 2U rack format for studio and broadcast

Millennia HV-3D-8: professional 8-channel microphone preamplifier

The Millennia Media HV-3D-8 is an 8-channel microphone preamplifier designed to deliver absolute reference audio performance. Based on the famous HV-3C circuitry, it provides extremely transparent, detailed and coloration-free output, ideal for critical recordings, acoustic music, classical and broadcast productions.

Pure sound quality and absolute transparency

Thanks to its Millennia topology, the HV-3D-8 offers extended frequency response and virtually nonexistent distortion. Its ability to capture every detail of the signal makes it an indispensable tool for high-end recording studios and professional applications where sonic fidelity is paramount.

Ideal preamplification for critical recordings

With extremely low noise and high headroom, this preamplifier allows you to work with any source while always maintaining impeccable quality, even in the most dynamic situations.

Flexible configuration and advanced compatibility

The Millennia HV-3D-8 supports universal power supply and offers advanced options such as dedicated power supply for DPA microphones (+130V). Step gain control ensures accuracy and repeatability, making it perfect for professional environments and complex workflows.

Designed for studio and broadcast

With its rugged 2U rack-mount design and fully shielded internal power supply, the HV-3D-8 is designed for continuous and reliable use in recording studios, broadcast installations, and high-end live productions.

Premium construction and long-term reliability

Built with select components and designed to last, the Millennia HV-3D-8 is a premium choice for sound professionals seeking consistent performance, stability, and uncompromising sound quality.

Millennia Professional Standard

Build quality and audio performance make it a standard for sound engineers, producers, and studios working in highly demanding environments.

Technical Specifications

• Channels: 8
• Maximum gain: 65 dB (up to 75 dB on request)
• Step gain: 1.5 dB (36 steps)
• Frequency response: 3 Hz - over 300 kHz
• Noise: -133 dB EIN
• THD + Noise: < 0.001% (typical < 0.0005%)
• Intermodulation distortion: < 0.0009%
• Phase response: < 2 degrees
• CMRR: > 65 dB (typical > 85 dB)
• Slew rate: > 25 V/µs
• Maximum input level: +23 dBu
• Maximum output level: +32 dBu
• Phantom input impedance: 6,750 ohms
• Output impedance: 24.3 ohms
• Phantom power: +48 V DC
• DPA power supply: up to +130 V DC (optional)
• Power consumption: max. 45 W
• Power supply: 100-240V AC, 50/60 Hz
• Format: 2U rack
• Dimensions: 19" x 3.5" x 12.5"
• Weight: 23 lbs