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63A-Series 
| JA-6263A | JA-4263A | JA-5263A | |
| 6"2-way rubber edge Paper cone | 4"2-way rubber edge Paper cone | 5.25"2-way rubber edge Paper cone | |
| Voice coil | KSV25.9 (1") | KSV25.9 (1") | KSV25.9 (1") |
| Impedance | 4 Ohm | 4 Ohm | 4 Ohm |
| Magnet | 80(11oz) | 70(6.4oz) | 70(8oz) |
| Sensitivity | 89dB ±3dB | 87dB ±3dB | 88dB ±3dB |
| Max power | 140W | 70W | 100W |
| Tweeter | 0.75"silk dome | 0.75"silk dome | 0.75"silk dome |
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