12 PT 500 MB GOLD
12 PT 500 MB GOLD is a pure gold standard transducer in Mid Bass category which is also perfect for use in Large Format Line Arrays.
A very efficient transducer which produces crispy mid as well as boomy bass linearly. Suitable for Bass Reflex / Ported Enclosure.
| Key Features | |
| Program Power | 1000 W |
| Voice Coil | 76.2 mm (3 in) |
| Response | 55-4500 Hz |
| Sensitivity 1W/1M | 98 db |
Specification
| Nominal Diameter | 314 mm |
| Nominal Impedance | 8 Ω |
| Nominal Power Handling(AES) | 500 W |
| Program Power | 1000 W |
| Sensitivity (1W/1m) | 98 dB |
| Frequency Range | 55-4500 Hz |
| Magnet Material | Ferrite |
| Voice Coil Diameter | 76.2 mm ( 3 in) |
| Winding Material | COPPER |
| Former Material | GLASS FIBRE |
| Winding Type | in/out |
Parameters
| Resonant Frequency | FS | 53 Hz |
| DC Resistance | Re | 5.7 Ω |
| Electrical Q | Qes | 0.24 |
| Mechanical Q | Qms | 20.03 |
| Total Q | Qts | 0.23 |
| Compliance Equivalent Volume | vas | 57 Ltrs |
| Peak Diaphragm Displacement Volume | Vd | 0.16 Ltrs |
| Effective Surface Area of Cone | Sd | 530.93 cm^2 |
| Reference Efficiency | ƞo | 3.48% |
| Moving Mass including air load | Mms | 62.30 gms |
| Motor Strength | Bl | 22.42 T-m |
| Voice Coil Inductance @ 1 KHz | Le | 0.40 mH |
| Efficiency Bandwith Product | EBP | 221 Hz |
| Voice Coil Overhang | Xmax | ±4.72 mm |
Mounting Info
| Overall Diameter | 314 mm |
| Bolt Circle Diameter | 296 mm |
| Baffle Cutout Diameter | 282 mm |
| Depth | 147 mm |
| Flange and Gasket Thickness | 15 mm |
| Gross Weight | 9.2 Kg. |
Recone Kit
| Recone Kit Number | REC12PT500MBG |
