| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LME49880 |  502Kb/14P | Dual JFET Input Audio Operational Amplifier |
| LME49880MR |  502Kb/14P | Dual JFET Input Audio Operational Amplifier |
 National Semiconductor ... | LME49880MRX |  502Kb/14P | Dual JFET Input Audio Operational Amplifier |
 National Semiconductor ... | LME49880MR |  502Kb/14P | Dual JFET Input Audio Operational Amplifier |
 National Semiconductor ... | LME49880MRX |  502Kb/14P | Dual JFET Input Audio Operational Amplifier |
 National Semiconductor ... | LME49810 |  867Kb/22P | 200V Audio Power Amplifier Driver with Baker Clamp |
 National Semiconductor ... | LME49811 |  672Kb/18P | High Fidelity 200 Volt Power Amplifier Input Stage with Shutdown |
 National Semiconductor ... | LME49811TB |  672Kb/18P | High Fidelity 200 Volt Power Amplifier Input Stage with Shutdown |
 National Semiconductor ... | LME49830 |  515Kb/22P | Mono High Fidelity 200 Volt MOSFET Power Amplifier Input Stage with Mute |