12 PT 400 LA MB
As the LA in the name suggests, this transducer is especially designed for Line Arrays and can also be used as a Mid Bass Transducer. It plays fairly well upto 4500 Hz and covers all the essential frequencies expected out of a mid bass transducer. Suitable for Bass Reflex / Ported Enclosure.
| Key Features | |
| Program Power | 800 W |
| Voice Coil | 76.2 mm (3 in) |
| Response | 60-4500 Hz |
| Sensitivity 1W/1M | 97 dB |
Specification
| Nominal Diameter | 314 mm |
| Nominal Impedance | 8Ω |
| Nominal Power Handling(AES) | 400 W |
| Program Power | 800 W |
| Sensitivity (1W/1m) | 97 dB |
| Frequency Range | 60-4500 Hz |
| Magnet Material | Ferrite |
| Voice Coil Diameter | 76.2 mm ( 3 in) |
| Winding Material | CCAW |
| Former Material | GLASS FIBRE |
| Winding Type | In/Out |
Parameters
| Resonant Frequency | FS | 66 Hz |
| DC Resistance | Re | 5.5 Ω |
| Electrical Q | Qes | 0.43 |
| Mechanical Q | Qms | 13.5 |
| Total Q | Qts | 0.41 |
| Compliance Equivalent Volume | vas | 45.26 Ltrs |
| Peak Diaphragm Displacement Volume | Vd | 0.17 Ltrs |
| Effective Surface Area of Cone | Sd | 551.55 cm^2 |
| Reference Efficiency | ƞo | 2.99% |
| Moving Mass including air load | Mms | 54.3 gms |
| Motor Strength | Bl | 17.14 T-m |
| Voice Coil Inductance @ 1 KHz | Le | 0.44 mH |
| Efficiency Bandwith Product | EBP | 153 Hz |
| Voice Coil Overhang | Xmax | ±6.00 mm |
Mounting Info
| Overall Diameter | 314 mm |
| Bolt Circle Diameter | 296 mm |
| Baffle Cutout Diameter | 282 mm |
| Depth | 137 mm |
| Flange and Gasket Thickness | 15 mm |
| Gross Weight | 7.9 Kg. |
Recone Kit
| Recone Kit Number | REC12PT400LAMB |
