Presonus BlueTube DP v2 2-Channel Mic/Instrument Tube Preamp
- Dual path, with both 12AX7 vacuum tube and solid-state gain stages.
- Combo mic/instrument inputs with class A XMAX mic Preamplifiers and 48V phantom power.
- 80 Hz high-pass filter, -20 dB pad, polarity-reverse switch.