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JA-72A Series 
| JA-72A Series | ||||
| JA-6572A | JA-4272A | JA-5272A | ||
| 6.5"2ways rubber edge/black white glass fiber cone | 4"2-ways rubber edge/black white glass fiber cone | 5.25"2-ways rubber edge/black white glass fiber cone | ||
| Voice coil | KSV25.9 (1") | KSV25.9 (1") | KSV25.9 (1") | |
| Impedance | 4 Ohm | 4 Ohm | 4 Ohm | |
| Magnet | 90X15(14oz) | 70X15(8oz) | 80X15(11oz) | |
| Sensitivity | 90dB ±3dB | 88dB ±3dB | 89dB ±3dB | |
| Max power | 180W | 140W | 160W | |
| Tweeter/Midrang | 0.75"silk | 0.75"silk | 0.75"silk | |
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