Integrated amplifiers

Hitachi 50A Hitachi HA-007 Hitachi HA-1 Hitachi HA-1100 Hitachi HA-12 Hitachi HA-170 Hitachi HA-2 Hitachi HA-22 Hitachi HA-250 Hitachi HA-2500 Hitachi HA-2500 M Hitachi HA-270 Hitachi HA-3 Hitachi HA-300 Hitachi HA-330 Hitachi HA-3500 Hitachi HA-37 Hitachi HA-3700 Hitachi HA-3800 Hitachi HA-410 Hitachi HA-4500 Hitachi HA-4700 Hitachi HA-4800 Hitachi HA-510 Hitachi HA-5300 Hitachi HA-5700 Hitachi HA-610 Hitachi HA-6800 Hitachi HA-7700 Hitachi HA-8700 Hitachi HA-D100 Hitachi IA 1000 Hitachi IA 600 Hitachi SR-2010 l