Tube, 340A, 445A, 545A (Replaces E6NN6758AA), Start Year: 12/01/1986

Used in models:340, 4400, 345D, 3500, 550, 540A, 345C, 455D, 545D, 555, 655A, 3400, 535, 4410, 420, 340B, 555B, 450, 455C, 250C, 445C, 3550, 540B, 335, 545C, 555A, 4140, 4610SU, 532, 515, 4500, L785, L783, 2600R, 3910V, 4130NO, 3230, 531, 2100, 3600, 3100, 3430, 3930N, 4110V, 334, 2300, 2310, 4600SU, 3000-SERIES, 3910R, 4330, 4600O, 3910N, 2910, 3930NO, 3055, 4200, 3610, 2120, 3300, 2610, 2610V, 3610NO, 4340, 3910H, 3610V, 3600R, 4000-SERIES, 3330, 530A, 4630NO, 3900, 3600N, 3930H, 230A, 3190, 2600V, 4610O, 4100, 4110O, 4610N, 2110, 3600NO, 234, 3310, 233, 4190, 4110N, 4610NO, 4600NO, 4110NO, 4610V, 2600N, 3120, 3600V, 2000-SERIES, 4630O, 2810