Check the listing for details. Presonus Bluetube DP V2 Tube Based Studio Microphone Preamplifier. Color: Blue, Condition: New. Listed at 254.99 USD. Get the sounds of both solid-state and tube preamplification in one versatile, affordable, two-channel preamp. Dual path, with 12AX7 tube and solid-state gain stages; tube-saturation control; 2 combo mic/instrument inputs; Class A XMAX mic preamplifiers. Enjoy solid-state clarity or tube warmth with the BlueTube DP dual-path mic/instrument preamp, which features both PreSonus®’ classic Class A XMAX solid-state mic preamplifier and a high-output,12AX7 tube preamp that operates on voltages double that of other preamps in its class, providing lots of headroom and big tone. A Tube Drive control produces anything from gentle warmth to edgy distortion. With two combo mic/instrument inputs, the half-rackspace BlueTube DP is a great choice for guitars and basses as well as vocals. •Dual path, with both 12AX7 vacuum tube and solid-state gain stages•Combo mic/instrument inputs with Class A XMAX mic preamplifiers•XLR and ¼” line outputs•Tube Drive tube-saturation control •48V phantom power •80 Hz highpass filter•-20 dB pad •Polarity-reverse switch •Illuminated analog VU input-level meter•Compact 1/2U rack-mount chassis _gsrx_vers_856 (GS 7.0.20 (856))