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12 inch mid bass full range speaker
| Model | MD12H70 | |||||
| Nominal diameter | 12 | inch | ||||
| Nominal impedance | 8 | Ω | ||||
| DC resistance | 5.2 | Ω | ||||
| Nominal power handling | 500 | W | ||||
| Continuous power handling | 1000 | W | ||||
| Sensitivity (1W/1m) | 97.2 | ± 2dB | ||||
| Frequency range (-10dB max) | 67-2900 | Hz | ||||
| Voice coil diameter | 100 | mm | ||||
| Voice coil material | Copper | |||||
| Former material | Glass fibre | |||||
| Winding depth | 18.5 | mm | ||||
| Magnet | φ220mm Ferrite ring | |||||
| Basket | Steel | |||||
THIELE & SMALL PARAMETERS
| Fs | 67 | Hz | |
| Revc | 5.2 | Ω | |
| Sd | 552 | cm2 | |
| Vas | 39.1 | dm³ | |
| Cms | 90.43 | μ M/N | |
| Mms | 62.45 | gr | |
| BL | 20 | T.m | |
| Qms | 11.124 | ||
| Qes | 0.342 | ||
| Qts | 0.322 | ||
| η0 | 3.32% | ||
professional speaker factory, 12 inch 500w woofer speaker have 97.2 dB Sensitivity and 67-2.9K Hz Frequency Range. The speaker with 220mm Ferrite Ring Magnet and 3 inch Voice Coil Diameter.
The same magnetic material, the larger the diameter, the greater the intensity of the magnetic induction, the greater the power of the speaker, the higher the sensitivity of the speaker, and the better the transient response.
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