PRESONUS BlueTube DP V2 Owner's Manual page 6

1 Overview
1.2 Summary of Features
1.2
Summary of Features
2
2 input channels, each with:
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High-headroom, Class A
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XMAX™ mic preamplifier
Dual path, 12AX7 vacuum tube
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and solid-state gain stages
Solid-state Gain control
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Tube Drive tube-saturation control
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48V phantom power
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80 Hz high-pass filter
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-20 dB pad
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Polarity-reverse switch
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Illuminated analog VU input-level meter
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2 balanced combo mic/unbalanced instrument inputs
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2 balanced, XLR main (L/R) line outputs
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2 unbalanced, ¼-inch main (L/R) line outputs
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Compact 1/2U rack-mount chassis
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External 12 VDC power supply
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PreSonus BlueTube DP V2