8 Ohms Stage Speaker PRO Sound PA Speaker 12 Inch Subwoofer

• Customization: Available
• Noise: <95dB
• Hi-Fi: Not Hi-Fi
• Model NO.: HDW-1208
• Activity: Passive
• Operation Mode: Wire / Remote Control
• Speaker System: Mono
• Speaker Material: Metal
• Application: Commercial, Home
• Monitor: None
• THD: <0.005%
• Paper Cone: Imported
• Magnet: Ferite
• Voice Coil: 2.5 Inch (65mm)
• Basket: Cast Aluminium
• Transport Package: by Export Carton
• Specification: Net Weight: 5.45KG
• Trademark: HD
• Origin: Guangzhou, China
• HS Code: 851829000
• Production Capacity: 5000 Pieces/Month

Product Description

8 Ohms  Stage Speaker PRO Sound PA Speaker 12 Inch Subwoofer

     


 

General Specifications
Nominal Diameter	300/12	mm/inch
Rated Impedance	8	ohm
Nominal Power handling	250	Watts
Program Power	500	Watts
Sensitivity(lw/lm)	92	dB
Frequency Range	37.8-1K	Hz
Minimum Impedance(Zmin)	4	ohm
Voice Coil Diameter	65	mm/inch
Voice Coil Material	Aluminium
Number of layers
Magnet gap depth	8	mm
Surround Material	Foam Edge
Basket	Cast Aluminium
Magnet	170 Ferrite
Mounting Information
Overall Diameter	312	mm
Bolt Circle Diameter	294	mm
Baffle Cutout Diameter	289	mm
Overall Depth	135	mm
Net Weight	5.45	kg
Shipping weight	6.15	kg
Shipping Box	320*320*150	mm

Thiele-Small Parameters
Resonance frequency	Fs	37.8	Hz
DC resistance	Re	4	ohm
Mechanical factor	Qms	4.2
Electrical factor	Qes	0.24
Total factor	Qts	0.23
Mechanical compliance	Cms	0.19	mm/N
Mechanical resistance	Rms	5.2	mech-ohm
of suspension losses
Effective Moving Mass	Mms	91.2	gr
Half-space efficiency	Eff	1.66	%
BL Factor	BL	19	T.m
Equivalent Cas air load	Vas	76.7	liters
Voice-coil inductance	LelK	2.4	mH

INTRODUCTION
Hengda Audio is a professinal speaker manufacturer with experience in the PA speaker field for 10years. We make  different tranducers, compression drivers. We not only provide goods but technology. OEM and ODM are both welcome.