Audioroot µPRE User Manual - Page 4

Browse online or download pdf User Manual for Amplifier Audioroot µPRE. Audioroot µPRE 4 pages. Portable battery powered stereo microphone preamp with m/s decoding

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Main specifications :
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2 transformer balanced microphone inputs (Lundahl LL1587) on Switchcraft mini XLR connectors
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True phantom powering on both mic inputs
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Second order low-cut active filter on both channels : 80 Hz 12dB/Oct
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Very large gain range : -50dB à +62dB
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Stereo link
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M/S decoding
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Asymetrical outputs on one Switchcraft mini XLR connector
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LED audio level indicator per channel
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Low battery voltage LED indicator (13V threshold)
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Battery operated (2 x 9V) or external DC power source (12 to 18V)
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Typical5 hours battery autonomy with 2 Schoeps CMC6Ug microphones
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10 hours typical battery autonomy with dynamic microphones
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Compatible with
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Universal 100-240 V wall adapter available
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110 x 65 x 30mm / 300 grammes
Technical specifications:
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Input impedance : 5Kohms
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Distorsion : < 0,1% (0,01% typical)
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Equivalent input noise (EIN) : -127.7dB with Zsource=200Ohms
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Max gain (Zsource=600R, Zload=100K) : 63.6dB
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Max gain (Zsource=50R, Zload=100K) : 66.6dB
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Audio bandwidth (+/- 0.5dB): 10Hz - 75Khz
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Maximum output level (Zload=100K, Vin = 15V) : +13dBU
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Maximum output level (Zload=600R, Vin = 15V) : 0dBU
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