El34 el84 e84l el90 ef802 ef804/s ef806/s e80cf / e99f ef94 ef95 ef86 ez80 ez81 ez90. 6ak5 6al5 6bq5 6au6 6267 6ca7 6ca4 / 6ar5 6aq5 6aq8 6cg7 6cf8 6fq7 6f32 6072 6cc42. w/ a focus on oem products (sanyo + lux audio), nec eventually took over for toshiba (<1975 to 1978+) ending tube production.
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