Comparator
Buy 2 = exact match, buy 4 = 4 exact matches
Model: 274B+
Maximum power per channel: No power supply
Origin: Mainland China
Certification: CE
Product Type: Vacuum tube, electron tube
Replacement: 274B/5U4G/5Z3P/5AR4/GZ34/5R4G
Application: tube amplifier, HIFI amplifier, DIY audio amplifier accessories