TUNG-SOL 7189 Power Pentode. Current production made in Russia. Compatible with EL84, 6BQ5, 6P14P, 6P14P-EV
PHILIPS J.A.N 5963 N.O.S. Twin Triode Made in U.S.A Interchangeable with 12AU7, ECC82, B749 etc
SVETLANA 6550C power tetrode. Made in Russia - Saratov. Very popular as a G2 regulator in Audio Research Amplifiers. **Order two for matched pair Matched Quads click here
N.O.S Philips J.A.N ECG 5687WB - Dual signal triode. Black plate. Perfect for High End HiFi setups.
TUNGSOL GZ34 / 5AR4 Full wave rectifier. Ribbed plates. Generally interchangeable with 5U4, GZ34 types.
JJ ELECTRONIC Szlovák / EU manufacture 12AU7 / ECC82
6AU6 PHILIPS MINIWATT / AWV Generally similar to: 6AU6A CV4023 EF94 6Ж4П 6P2 CV2524 M3622 6136 7543 6AU6W 6AU6WA 6AU6WC If / heater current = ~0.3 A @ 6.3 V. Image for reference only.