SANYO -> Panasonic

3V CD Headphone-stereo Power Amplifier

SANYO -> Panasonic

1.5V Stereo Headphone Preamplifier and Power Amplifier

SANYO -> Panasonic

Monolithic Linear IC Power Amplifier For 1.5V Headphone Stereos

SANYO -> Panasonic

Pre + Power Amplifier for 3-V Headphone Stereo Systems

SANYO -> Panasonic

For 1.5V Headphone Stereo Power Amplifier

ON Semiconductor

Monolithic Linear IC Power Amplifier for 1.5V Headphone Stereos

SANYO -> Panasonic

Low-voltage Headphone Amplifier for Stereo Audio

SANYO -> Panasonic

Monolithic Linear IC Power Amplifier For 1.5V Headphone Stereos

SANYO -> Panasonic

Preamplifier + Power Amplifier for 3V Headphone Stereos