Weight Tank WT-72; 1-channel tube preamp; inspired by the V72 preamp module; 56 dB gain; two EF86 tubes; gain adjustable in 11 steps; 48 V phantom power and polarity switch; 1x mic/line XLR input and 1x high-impedance DI input (DI input defeats XLR input when plugged in); input and output transformer; input impedance in mic mode: approx. 4k Ohm; input impedance in line mode: 9550 Ohm; DI impedance: 500k Ohm; frequency response: 20Hz-20kHz; maximum output level: +24dBu; dimensions: 19’ / 2 U; weight: 7 kg