| 1 Watt Audio Amplifier | 51197 |
| 200-220W Amplifier - 2N3055 | 96065 |
| Audio Amplifier 100W with BDX66B, BDX67B | 68827 |
| Audio Amplifier 200-500W | 136629 |
| Audio Amplifier 90-100W with 2N3773 | 151441 |
| Audio Amplifier with LM3875 | 46819 |
| Audio Line Driver | 3237 |
| Audio Power Amplifier 100W with LM3886 | 64992 |
| Headphones Amplifier | 19637 |
| Power amplifier with TDA2030 | 71037 |
| VU Meter 12 Leds (UAA180) | 4408 |
| VU Meter 9 Leds | 49846 |
