ðə sˈɪks.θɹˈiː vˈiː ˈiːbk ˈeɪɾi hɐz sˈɛvən ᵻlˈɛktɹoʊdz; ðə jˌuːˈɛs ɪkwˈɪvələnt ɑːɹ sˈɪks ˌeɪkˈeɪ ˈeɪt ænd sˈɪks tˈiː ˈeɪt, wˈɛɹ ðə "ˈæk" ænd "tˈiː" hæv nˈoʊ pɚtˈɪkjʊlɚ mˈiːnɪŋ; ðə sˈɪks ˈɛn ˈeɪt ˌiːbˌiːˈɛf ˈeɪɾi ɪz ɐ dˈuːəl dˈaɪoʊd plˈʌs pˈɛntoʊd wɪð sˈɛvən ᵻlˈɛktɹoʊdz.
The 6.3V EABC80 has 7 electrodes; the US equivalent are 6AK8 and 6T8, where the "AK" and "T" have no particular meaning; the 6N8 (EBF80) is a dual diode+pentode with 7 electrodes.