Une double triode ECC 83 ? euh... ou 12AX7 ?
... plus généralement une lampe électronique (l'ancêtre des transistors)
Une de celles-là, quoi
GT-12AT7 =ECC81 5881 =GT-6L6 ECC82 =GT-12AU7
GT-12AU7 =ECC82 6087 =GT-5Y3 ECC83 =GT-7025/12AX7
GT-12AX7 =7025/ECC83 6135 =GT-6C4 ECC88 =GT-6DJ8
GT-12AY7 =6072 6136 =GT-6AU6 EL34 =GT-EL34/6CA7
GT-12BH7 =6913 * * * *
GT-12DW7 =7247 6189 =GT-12AU7 EL37 =GT-6L6
GT-5751 =12AX7/7025 * * * *
GT-5AR4 =GZ34 6201 =GT-12AT7 EL84 =GT-EL84
GT-5U4 =GZ32 6626 =OA2 EZ81 =GT-6CA4
Gt-5y3 =GZ30 6663 =6AL5 GZ31 =GT-5U4
GT6072-M =12AY7 * * * *
GT6201-M * * * * *
GT-6267 =EF86 * * * *
GT-6550A =KT88/6550 7408 =GT-6V6 U51 =GT-5U4
GT-6CA4 =EZ81 6679 =GT-12AT7 GZ32 =GT-5U4
GT-6CA7 =EL34/KT77 7025 =GT-12AX7 KT77 =GT-EL34/6CA7
GT-6CG7 =6FQ7 6680 =GT-12AU7 GZ34 =GT-5AR4
GT-6K11 =6Q11/6C10 6681 =GT-12AX7 GZ37 =GT-5AR4
GT-6L6 =5881/KT66 7184 =GT-6V6 KT88 =GT-6550
GT-6U10 =6AC10 6853 =GT-5Y3 KT66 =GT-6L6
GT-6V4 =EZ80 * * * *
GT-6V6 =7408 7247 =GT-12DW7 U50 =GT-5Y3
GT-7025 =ECC83/12AX7 5871 =GT6V6 ECC81 =GT-12AT7
GT-E188C =7308 * * * *
GT-ECC83 =7025/12AX7 7543 =GT-6AU6 U52 =GT-5U4
GT-EL34 =6CA7/KT77 7729 =GT-12AX7 U54 =Gt-5ar4
GT-EL84 =6BQ5 7730 =GT-12AU7 U77 =GT-5AR4
GT-KT90 * * * * *