Randall Diavlo RD20H

2 Channel all tube (12AX7/6V6) 20w head with Boost Mode, Speaker emulated XLR direct output with ground lift, Class A Discrete instrument level FX loop, 2 function footswitch. Specs Wattage / Power 20w @ 1% Distortion Channels 2 + Boost Speaker n/a Impedance 16, 8, 4 Minimum FX/GATE/REVERB Class A Discrete Instrument Level Loop FOOTSWITCH 2 Channels and Boost (RF2T2C) Dimensions (LxWxH in mm) 500x240x215 Weight (kg) 12.