Sophia Electric

sylvania 45 tested matched pair in excellent working condition

philco 45 tested matched pair in mint condition

raytheon 45 tested matched pair in mint condition

sophia electric’s new standard production 300b tube

new: sophia electric 45 tubes

demo pair: sophia electric blue glass 300b 2.5v tubes for 2a3 amplifiers

demo unit: sophia electric aqua ii 274b rectifier tube with live-like sonic performance

new: sophia electric blue glass kt66 tubes

demo pair: sophia electric blue glass 2a3 tubes for 2a3 amplifiers

new: sophia electric blue glass kt66 tubes - cosmetic imperfection

demo pair: sophia electric grade b 12at7 tubes: interchangeable with european ecc81

sophia electric 91-03 300b single-ended dual-mono stereo tube amplifier

demo: sophia electric 45 tubes matched pair

new: sophia electric 5u4-xl rectifier tube

new: sophia electric 5u4xl mesh plate rectifier tube

sophia electric classic ii 300b tubes signature edition with vintage we 300b soul