The Tube MP is the world’s most popular external tube microphone preamp. Whether you’re working with a digital, computer or analog recording system, the Tube MP’s TEC award nominated design will allow you to obtain professional recording studio results at a fraction of the cost of comparable equipment. The hybrid design of the Tube MP allows it to add warmth and fatness to a signal while maintaining exceptionally low-noise and high quality. While its primary application is to be used with a microphone, the Tube MP is an exceptional direct box – impedance matching, amplifying and improving the sound of any instrument plugged into it. The usage of external mic/line preamps has become increasingly popular over the past several years. The Tube MP offers superior performance and sound quality to the “on-board” preamps found in today’s low-cost mixers and multi-trackers. It’s sound has been consistently favored over other products costing upwards to ten-times its price. Professional quality sound combined with professional features like: a hand-selected 12AX7a tube, phantom power and phase reverse are what have made the Tube MP a staple in thousands of studios worldwide. For a minimal investment, a Tube MP can provide the single largest improvement to the sound of your studio. Frequency Response 10Hz to 20kHz (+0,-1dB) Total Harmonic Distortion <0.1% (typical) CMMR > 75dB (typ @1kHz) Dynamic Range > 100dB (20Hz to 20kHz) Equivalent Input Noise -129dBu (‘A’ weighted XLR to XLR) Input Impedance 2k Ω (XLR), 840K Ω (1/4″) Maximum Gain 70dB (XLR to XLR typical) Maximum Input Level +14dBu (XLR), +22dBu (1/4″) Maximum Output Level +28dBu (XLR), +22dBu (1/4″) Output Impedance 600 Ω (XLR), 300 Ω (1/4″) Power Requirements 9 VAC @ 700ma (typ) Dimensions 5.0″D x 5.5″W x 2.0″H Weight 1.5 lbs