| Application | Subwoofer | |
| Nominal Impendance: | Ohm | 8 |
| Power handling AES noise: | W | 1200 |
| Sensitivity (1 W / 1 m): | dB | 95 |
| Frequency response: | Hz | 22 – 300 |
| Voice Coil Diameter: | mm | 101.6 (4″) |
| Voice Coil Material: | Cu | |
| Voice Coil Winding Depth: | mm | 32 |
| Magnet Gap Depth: | mm | 10 |
| Basket: | Cast Aluminum | |
| Effect. diaphragm diameter D | mm | 330 |
Recommended reflex enclosure:
70L / 42 Hz, BRD = 180 mm / 476 mm long
85L / 35 Hz, BRD = 180 mm / 590 mm long
| Resonance Frequency: | Fs | Hz | 35.6 |
| DC Resistance: | Re | Ohm | 5.00 |
| Mechanical Q Factor: | Qms | 5.75 | |
| Electrical Q Factor: | Qes | 0.32 | |
| Total Quality Factor: | Qts | 0.30 | |
| Equivalent Volume: | Vas | L | 145.7 |
| Moving Mass: | Mms | kg | 0.137 |
| Mechanical Complience: | Cms | mm / N | 0.146 |
| BL Factor: | BL | Tesla m | 24.6 |
| Effective Piston Area: | Sd | m² | 0.0845 |
| Max. linear Excursion: | Xmax | mm | +/- 11 |
| Voice Coil Inductance: | Le1k | mH | 0.82 |
| Le10k | mH | 0.31 |
Frequency Response measured 1000 W (89.4 V)
at 1 m in a closed enclosure of 100 litre incl. 2nd and 3rd harmonic distortion raised 10 dB.
15N840 Neodymium Ultra low Distortion Woofer Frequency Response
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15N840 Neodymium Ultra low Distortion Woofer Impedance
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