The Millennia HV-32P Portable Microphone Preamplifier is designed for professional audio applications.
The Millennia HV-32P Portable Microphone Preamplifier is designed for professional audio applications. It features a minimum gain of 14.5 dB with a pad option, and a maximum gain of 60 dB (70 dB in ribbon mode). The frequency response ranges from <10 Hz to >200 kHz, with typical -1.0 dB at 10 Hz and -1.5 dB at 200 kHz. At 60 dB gain, the noise level is -130 dB EIN. The total harmonic distortion/noise is less than 0.003% at 35 dB gain, with a typical value of less than 0.001%.
Intermodulation distortion is below 0.0006% at 50 Hz and 7 kHz with 35 dB gain. The phase response shows less than 2 degrees deviation at 35 dB gain. Common mode rejection ratio exceeds 65 dB, with a typical value of over 85 dB. The slew rate is greater than 25 V per microsecond at 35 dB gain. Maximum input level is +12 dBu at 0.02% THD+N and +18 dBu at 0.02% THD+N with pad. Maximum output level is less than 0.001% at +26 dBu output and less than 0.05% at +28 dBu output.
Input impedance is 2,210 ohms at 1 kHz, and output impedance is 24.3 ohms (x2).
- Gain: Minimum Gain: 14.5 dB, 1 dB with pad Maximum Gain (Continuously Variable): 60 dB (70 dB in Ribbon Mode)
- Frequency Response: At -3 dB: <10 Hz to >200 kHz Typical -1.0 dB @ 10 Hz Typical -1.5 dB @ 200 kHz
- Noise: At 60 dB Gain, 10 Hz to 30 kHz, Inputs Common: -130 dB EIN
- Total Harmonic Distortion/Noise: At 35 dB Gain, 10 Hz to 20 kHz bandwidth, +24 dBu Out: <0.003%, Typical <0.001%
- Intermodulation Distortion: At (50 Hz & 7 kHz) 35 dB Gain: <0.0006% +12 dBu Out <0.001% +20 dBu Out
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