ART Pro Audio USBDualTubePre - Two Channel USB Tube Preamp - Manual (Page 15)

SPECIFICATIONS:
Input Connections: .............................................XLR / 1/4-inch “Combo” jack - XLR balanced or 1/4" unbalanced
Input Impedance: ................................................1M Ohms 1/4-inch input, >4K Ohms XLR input, 20K Ohms Insert Input
Output Connection: ............................................1/4-inchTRS balanced, 1/8-inch TRS headphone mini jack
Output Impedance: .............................................600 Ohms (balanced 1/4-inch), 300 Ohms (INSERTS), < 50 Ohms (headphone 1/8-
inch)
Frequency Response: ..........................................20 Hz – 27K Hz (+0, -1 dB)
Maximum Gain:..................................................+65 dB (balanced in-out), +45dB (unbalanced input, balanced output)
THD:...................................................................<0.01% @ 1K Hz
CMRR:................................................................>60 dB
Equivalent Input Noise: ......................................-129 dBu typical (“A” wtd., Shorted XLR balanced input, gain @ maximum)
Maximum Input Level: .......................................unbalanced (Inst): +16 dBu, balanced (mic): +12dBu, Insert input : +7.5dBu
Max Output Level:..............................................unbalanced: +5dBu, balanced: +11dBu, +7.5dBu (insert output)
Phantom Power:..................................................Switch selectable, +48Volts DC, filtered, current limited
Tube Type...........................................................Hand Selected 12AX7A
Compressor Slope:..............................................progressively increasing slope, 10:1 max.
Compressor Range:.............................................28dB of attenuation max.
Low Cut Filter.....................................................-3dB @ 70Hz, 6dB/Octave
USB A/D-D/A: ...................................................16 Bit, 44.1K Hz or 48K Hz, USB selectable from computer, 0.4 ms A/D latency @
44.1K Hz
S/PDIF A/D: .......................................................24 bit, 44.1K or 48KHz switch selectable, 0.4 ms A/D latency @ 44.1K Hz
Computer Interface: ............................................USB 2.0 compliant, Windows 98SE/ME/2000/XP/Vista,Win 7, Apple OS9.1/OSX
computers with native USB support
Chassis Type:......................................................All aluminum black anodized with integral rubber sides
Power Requirements: ..........................................9VAC @ 1000mA (external)
Dimensions: ........................................................1.75”H x 5.9”W x 6.5”D (44.5mm x 150mm x 165mm)
Weight: ...............................................................2.5 lbs. (1.14 kg) with power supply and packaging
Note: 0 dBu = 0.775Vrms
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