Vacuum Tube 6K4 Military Grade for Tube FM Radio Tuner Inventory – IWISTAO HIFI MINIMART
Tube 6K4 (FX tubes put in accessories) - Audiophonics
Tube 6K4 (FX tubes put in accessories) - Audiophonics
6К4П, Tube 6К4П; Röhre 6К4П ID18809, Vacuum Pentode | Radiomuseum.org
Tube List (English)
Tube type list
Tube type list
Tube List (English)
Ian Drew, Tube collection Drew, Great Britain (UK), FU-7 Com | Radiomuseum.org
6K4P-EV / EF93 / 6BA6 / W727 PENTODE
Amazon.com: Docooler 6K4 Preamp Vacuum Tube, for 6AK5/6AK5W/6Zh1P/6J1/6J1P/EF95 Pairing Tube, Amplifier DIY Preamp Vacuum Tube,2PCS : Electronics
Tube type list
6К4П, Tube 6К4П; Röhre 6К4П ID18809, Vacuum Pentode | Radiomuseum.org
Tube type list
6K4 @ The Valve Museum
6K4_China, Tube 6K4_China; Röhre 6K4_China ID33930, Vacuum P | Radiomuseum.org
Tube 6K4 (FX tubes put in accessories) - Audiophonics
6K4/6ZY5G/6SG7/6BA6/6K4P/EF93/EK90/6F31 - cheap vacuum tubes prices
6K4 Tube pour Amplificateur / Préamplificateur (Unité) - Audiophonics
6K4 @ The Valve Museum
Tube type list
Tube List (English)
6K4_China, Tube 6K4_China; Röhre 6K4_China ID33930, Vacuum P | Radiomuseum.org
6J2 – What does this vacuum tube do? - gammalogic
The cover of the Chinese manual showing a photo of the complete 222-1 receiver setup.
