RM50B 50-Watt 1x12" Modular Tube Combo Amp

18 independent hot-swappable plug-in preamps are available. Physically designed after the preamp sections of the world's greatest amps, they generate unparalleled purity of tone in all styles. The RM50B accommodates any combination of 2 classic or modern amps, simply by plugging in your choice of tube preamp modules. Designed for the club professional who is looking for an all-tube amp with multiple tones. The RM50 gives you 50W of power using Ruby 6L6 tubes, a 12" Celestion G12 Century speaker, and 2 modular channels for plugging in Randall preamps. Controls include master volume, master density and presence controls, and front panel mix control. Connections include a tube-buffered parallel effects loop, series effects loop, slave out, rear master input (for volume pedal), and rear bias test points.