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 51-4700 Hz
Sensitivity 1W/1M 99 db


Nominal Diameter 314 mm
Nominal Impedance 8 Ω
Nominal Power Handling(AES) 500 W
Program Power 1000 W
Sensitivity (1W/1m) 99 db
Frequency Range 51-4700 Hz
Magnet Material Ferrite
Voice Coil Diameter 76.2 mm ( 3 in)
Winding Material COPPER
Former Material GLASS FIBRE
Winding Type in/out


Resonant Frequency FS 51 Hz
DC Resistance Re 5.5 Ω
Electrical Q Qes 0.22
Mechanical Q Qms 4.05
Total Q Qts 0.21
Compliance Equivalent Volume vas 77 Ltrs
Peak Diaphragm Displacement Volume Vd 0.16 Ltrs
Effective Surface Area of Cone Sd 530.9 cm^2
Reference Efficiency ƞo 4.56%
Moving Mass including air load Mms 48.92 gms
Motor Strength Bl 19.85 T-m
Voice Coil Inductance @ 1 KHz Le 1.15 mH
Efficiency Bandwith Product EBP 232 Hz
Voice Coil Overhang Xmax ±3 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 REC12PT500GMB
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