Vacuum tubes used in radios and amplifiers around 1970. They were working, but I removed only the vacuum tubes and discarded the rest because it was a speaker-integrated type and took up space. Please be aware that I do not guarantee their current operation. I am selling these because I couldn't design vacuum tube circuits. Model numbers: 17AB9 12AX7A 6AN8 x 2 12BE6 19HR6 19HS6 30CW5 x 3 * Listed to the extent I could read them. These 10 tubes are being sold together. No warranty is provided for these as-is items.