| 1 Watt Audio Amplifier | 60884 |
| 125W Power Amplifier, AB Class | 32986 |
| 200-220W Amplifier - 2N3055 | 116176 |
| Audio Amplifier 100W with BDX66B, BDX67B | 78862 |
| Audio Amplifier 200-500W | 162655 |
| Audio Amplifier 90-100W with 2N3773 | 192990 |
| Audio Amplifier with LM3875 | 50113 |
| Audio Line Driver | 7284 |
| Audio Power Amplifier 100W with LM3886 | 73240 |
| Headphones Amplifier | 23454 |
| Power amplifier with TDA2030 | 81153 |
| VU Meter 12 Leds (UAA180) | 10315 |
| VU Meter 9 Leds | 57529 |
