Large-Diaphragm Tube Condenser Microphone - MXL Revelation II; large-diaphragm tube condenser microphone; switchable polar pattern; EF86 pentode tube; frequency range: 20 Hz - 20 kHz; self-noise: -18 dB; max. SPL: 138 dB ( THIS ITEM IS CURRENTLY NOT AVAILABLE YOU CAN CONFIRM THIS INFORMATION BY CLICKING ON ITEM