Millennia HV-37 Microphone and Instrument Preamplifier

Authentic Transparency for Unrestricted Creativity
Continuously variable gain control Front panel instrument input DC coupled ribbon mic with 10dB gain boost setting 80 Hz rolloff filter 48V phantom power 15 dB Pad Polarity flip 12 to 15V operation – 100 to 240V line lump power supply, 12V output, included

Minimum Gain	14.5 dB, 1dB with Pad
Maximum Gain
(continuously variable)	60 dB (70 dB in Ribbon Mode)
Frequency Response
-3 dB	< 10 Hz to > 200 kHz typical -1.0 dB @ 10 Hz typical -1.5 dB @ 200 kHz
Noise
60 dB Gain, 10 Hz – 30 kHz, Inputs common	-130 dB EIN
Total Harmonic Distortion + Noise
35 dB Gain, 10 Hz – 20 kHz bandwidth, +24 dBu Out	< .003%, Typical < .001%
Intermodulation Distortion
(50 Hz & 7 kHz) 35 dB Gain	< .0006% +12 dBu Out < .001% +20 dBu Out
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, +24 dBu Out	> 25 Volts per microsecond
Maximum Input Level
20 Hz – 40 kHz	+12dBu @ 0.02% THD+N +18dBu @ 0.02% THD+N with pad
Maximum Output Level
	1 kHz @ 35dB of gain, THD+N is: < 0.001% at +26dBu output < 0.05% @ +28 dBu output.
Phantom Input Impedance
1 kHz	2,210 ohms
Output Impedance	24.3 Ohms (x2)
Phantom Powering	48V dc +/- 2V dc
Dimensions/Shipping Weight	5.67″ W x 1.69” H x 8.19” D, 2 lbs..

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