Up for sale is a legendary matched pair of 2 vintage Western Electric VT-25 power triode valves, pristine and brand new in white boxes. Highly coveted by audiophiles worldwide for single-ended triode (SET) amplifiers, these ultra-premium USA-made tubes feature clear glass envelopes, a vintage foil “leaf” getter construction, and low-loss ceramic bases with crisp original markings.

As shown in DSC_6074.jpg, both tubes have been precision benchmarked on our laboratory-grade Amplitrex AT1000 digital tester. The actual laboratory measurement results alongside standard factory specification comparisons are systematically organized in the table below, confirming excellent emissions and transconductance performance.