The Audioroot uPRE MKII is the successor of the uPRE microphone preamp which was first introduced in 2010. The new MKII’s electronic design benefits from many enhancements including a 24bits/192kHz digital output.
This unit is a small, lightweight, high quality microphone preamplifier designed for ENG/EFP or musical production. It can be operated with 2 x 9V batteries or an external power supply via a Hirose push-pull connector. It will add 2 mic inputs to your recorder thru analog and/or digital inputs. The wide range trims offers perfect control over audio level.
Features / Specs:
- 2 Electronically balanced mic inputs via Switchcraft mini XLR
- High efficiency 48V Phantom for Mic Power on each channel
- 80 Hz 12dB/Oct LF Cut filter on both channels
- -50dB to +80dB input gain trims
- Stereo Link
- M/S Decoding – can be used as a mono mixer
- Unbalanced outputs via Switchcraft mini XLR5
- AES (default) or SPDIF 24bits/192kHz digital output
- Miniature 3 LEDs level indicator per channel
- Power / low battery indicator (13V threshold)
- Rugged hybrid polyamid/aluminium housing
- Anodised/engraved face plates
- 2 x 9V batteries or 9 – 18V external power supply (automatically switched)
- 5 hours typical battery autonomy with 2 Schoeps CMC6Ug and ADC ON
- 10 hours battery autonomy with dynamic microphones and ADC OFF
- Compatible with environment friendly iPOWERUS lipo batteries
- Optional 100-240V power supply
- 130 x 85 x 30mm / 255 grams
- Input impedance / impédance d’entrée : > 5kohms
- Min gain : -50dB
- Max gain (Zsource = 50R, Zload =600ohms) : > 80dB
- Distortion : 0.003% < 40dB gain / 0.005% @ 60dB gain
- Equivalent input noise EIN (bruit ramnené à l’entrée) : -128.8dBu @ gain max (Zsource = 200Ohms)
- Bandwidth / bande passante (+/- 3 dB) : 10Hz – 70kHz
- Max ouput level / niveau de sortie max (Zload = 600R) : +17dBu
- Power consumption @ V=12V / 48V off / ADC off : 92mA
- Power consumption @ V=12V / 48V on / ADC off : 130mA
- Power consumption @ V=12V / 48V on / ADC on : 155mA
- Power consumption @ V=18V / 48V off / ADC off : 62mA
- Power consumption @ V=18V / 48V on / ADC off : 85mA
- Power consumption @ V=18V / 48V on / ADC on : 100mA
(power consumption measurements with 48V phantom powering on are given with 2 x Schoeps CMC64Ug connected)
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