Ruby Tubes 6L6GCBSTR Power Tube
Similar to our most popular 6L6GCMSTR tube, with about 1-2 watt higher in plate dissipation.
All Ruby Power Tubes are matched using the Magic Parts™ matching process, and the base of the tube is labeled with the plate current and transconductance matching measurements. By matching these parameters, optimal performance and long life are ensured for your amplifier. Ruby Tubes come with a 6-month replacement warranty.