| JA-6238A | JA-4238A | JA-5238A | JA-6938A | |
6.5"2-way rubber-edge glass fiber cone | 4"2-way rubber-edge glass fiber cone | 5.25"2-way rubber-edge glass fiber cone | 6*9"3-way rubber-edge glass fiber cone | |
| Voice coil | ASV25.9(1") | ASV25.9(1") | KSV25.9(1") | KSV30.5(1.2") |
| Impedance | 4 Ohm | 4 Ohm | 4 Ohm | 4 Ohm |
| Magnet | 90X15(14oz) | 80X12(8.8oz) | 80X15(8.8oz) | 110X18(21.2oz) |
| Sensitivity | 89dB ±3dB | 87dB ±3dB | 88dB ±3dB | 90dB ±3dB |
| Max power | 160W | 100W | 120W | 280W |
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