Amp Page PDF
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Car Amp Rule of Thumb for Minimum Fuse Sizes |
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| Power Output per channel | 1 channel | 2 channel | 3 channel | 4 channel |
| (Watts rms) | (Amps required) | (Amps required) | (Amps required) | (Amps required) |
| 50 | 8.3 | 16.7 | 25.0 | 33.3 |
| 75 | 12.5 | 25.0 | 37.5 | 50.0 |
| 80 | 13.3 | 26.7 | 40.0 | 53.3 |
| 100 | 16.7 | 33.3 | 50.0 | 66.7 |
| 140 | 23.3 | 46.7 | 70.0 | 93.3 |
| 150 | 25.0 | 50.0 | 75.0 | 100.0 |
| 180 | 30.0 | 60.0 | 90.0 | 120.0 |
| 200 | 33.3 | 66.7 | 100.0 | 133.3 |
| 240 | 40.0 | 80.0 | 120.0 | 160.0 |
| 250 | 41.7 | 83.3 | 125.0 | 166.7 |
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