| 1 Watt Audio Amplifier | 63068 |
| 125W Power Amplifier, AB Class | 38655 |
| 200-220W Amplifier - 2N3055 | 118414 |
| Audio Amplifier 100W with BDX66B, BDX67B | 81145 |
| Audio Amplifier 200-500W | 165536 |
| Audio Amplifier 90-100W with 2N3773 | 198875 |
| Audio Amplifier with LM3875 | 50635 |
| Audio Line Driver | 8020 |
| Audio Power Amplifier 100W with LM3886 | 74733 |
| Headphones Amplifier | 24179 |
| Power amplifier with TDA2030 | 82828 |
| VU Meter 12 Leds (UAA180) | 11656 |
| VU Meter 9 Leds | 59133 |
