| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LM383A |  366Kb/9P | Low Noise PREAMPLIFIER FOR TAPE PLAYBACK SYSTEMS//7 WATT AUDIO POWER AMPLIFIER |
| LM383AT |  92Kb/6P | 7W Audio Power Amplifier |
| LM383AT |  366Kb/9P | Low Noise PREAMPLIFIER FOR TAPE PLAYBACK SYSTEMS//7 WATT AUDIO POWER AMPLIFIER |
 National Semiconductor ... | LM383AT |  92Kb/6P | 7W Audio Power Amplifier |
| LM383AT |  366Kb/9P | Low Noise PREAMPLIFIER FOR TAPE PLAYBACK SYSTEMS//7 WATT AUDIO POWER AMPLIFIER |
| LM383T |  92Kb/6P | 7W Audio Power Amplifier |
| LM383T |  366Kb/9P | Low Noise PREAMPLIFIER FOR TAPE PLAYBACK SYSTEMS//7 WATT AUDIO POWER AMPLIFIER |
 National Semiconductor ... | LM380 |  236Kb/8P | Audio Power Amplifier |
| LM380 |  271Kb/9P | 2.5W Audio Power Amplifier |
 National Semiconductor ... | LM380N |  236Kb/8P | Audio Power Amplifier |
 National Semiconductor ... | LM380N-8 |  236Kb/8P | Audio Power Amplifier |