Attention: Images are for illustration purposes only! Under certain circumstances the products may differ from the manufacturers shown. They may be substitutes for some products that are no longer produced. https://elecena.pl/product/15677021/6sj7-electron-tube-pentode-octal-8-pin-6-3-v 2019-05-16 https://elecena.pl/product/15677021/6sj7-electron-tube-pentode-octal-8-pin-6-3-v 2021-04-24 https://elecena.pl/product/15677021/6sj7-electron-tube-pentode-octal-8-pin-6-3-v 2022-02-10 https://elecena.pl/product/15677021/6sj7-electron-tube-pentode-octal-8-pin-6-3-v 2022-05-15 https://elecena.pl/product/15677021/6sj7-electron-tube-pentode-octal-8-pin-6-3-v 2023-10-07 https://elecena.pl/product/15677021/6sj7-electron-tube-pentode-octal-8-pin-6-3-v 2024-07-01