Explore our collection of Pentode 30 items
Military-grade ultra-miniature HF pentodes, 2000hr durability, same date code, set of 10
Miniature Soviet HF pentodes: 10 new tubes per batch with excellent condition and OTK
Miniature high-frequency pentodes with double control and OTK quality marking. Same production date for consistent performance in RF amplifier circuits.
British-made CVC/Chelmer Valve, tested on L3-3, NIB with original packaging, premium audio pentode
Premium Phillips Miniwatt output pentode, L3-3 tested. Ideal for single-ended and push-pull amplifier stages.
Matched pair of rare Svetlana pentodes, tested on L3-3, similar to WE310A
Reflector matched pair tested on L3-3, 5000hr durability, similar to EL83/SV-83
Reflector matched pair in original boxes, same date, 5000hr durability, tested on L3-3, similar to EL83/SV-83
Matched date miniature pentodes, NOS with OTK quality stamp, audio output tubes
Rare brown base construction with OO getter, tested on L3-3 and matched by parameters. Premium output pentodes for single-ended and push-pull stages.
Pair of NOS Reflector 2J27L HF pentodes in original boxes
Matched pair Svetlana 6J32P low-noise pentodes, tested, EF86/6267 equivalent