Original
By certification 
Product introduction:
8 inch High fidelity subwoofer loudspeaker，This 8 inch woofer with neodymium magnet is very suitable for outdoor stage speakers and entertainment venues. Users favorite, welcome to consult us for cooperation, we will provide you with the best service and price.
Product Details:
MODEL: MR08H08
It is lighter than ferrite speakers. It uses a 2 inch voice coil and Polycotton Surround Material to make the sound better and more popular.
8 inch High fidelity subwoofer loudspeaker, Power 250 watts, sensitivity 94db, speaker weight 1.9 kg.
Detailed specifications:
Application |
Low-Middle |
||
Nominal Diameter : |
mm |
200(8'') |
|
Nominal Impedance : |
Ohm |
8 |
|
RMS Power Input : |
W |
250 |
|
MAX Power Input : |
W |
500 |
|
Sensitivity (1W/1M) : |
dB |
94 |
|
Frequency Range : |
Hz |
61-6.0K |
|
Voice Coil Diameter : |
mm |
52(2'') |
|
Voice Coil Winding Material : |
|
CCAW |
|
Voice Coil Former Material : |
|
Kapton |
|
Voice Coil Winding Depth : |
mm |
17 |
|
Magnetic Gap Depth : |
mm |
7 |
|
Surround Material : |
|
Polycotton |
|
Surround Design : |
|
M-roll |
|
Basket : |
|
Aluminum |
|
Magnet : |
|
Neodymium Ring |
|
Thiele & Small Parameters | |||
Resonance Frequency : |
Fs |
Hz |
61 |
DC Resistance : |
Re |
Ohm |
5.3 |
Mechanical Q Factor : |
Qms |
|
6.59 |
Electrical Q Factor : |
Qes |
|
0.27 |
Total Quality Factor : |
Qts |
|
0.26 |
Equivalent Volume : |
Vas |
L |
20.8 |
Effective Moving Mass : |
Mms |
g |
20 |
Mechanical Compliance : |
Cms |
μm/N |
336 |
BL Factor : |
BL |
T.m |
12.3 |
Effective Piston Area : |
Sd |
cm² |
201 |
η(Eta Zero) : |
η0 |
|
1.70% |
Max.Linear Excursion : |
Xmax |
mm |
±5 |
Mounting Information | |||
Overall Diameter : |
mm |
210 |
|
Mounting Holes Diameter : |
mm |
198 |
|
Bolt Circle Diameter : |
mm |
8xΦ7 |
|
Baffle Cut-Out Diameter : |
mm |
186 |
|
Overall Depth : |
mm |
97 |
|
Net Weight : |
kg |
1.7 |
|
Shipping Weight : |
kg |
1.9 |
|
Shipping Box(Single) : |
cm |
22*22*11 |
|
Shipping Weight (8 Unit) : |
kg |
15.90 |
|
Shipping Box (8 Unit) : |
cm |
46.5*46.5*26 |
|
Subwoofer impedance vs Freq and SPL vs Freq
With 15 years of speaker manufacturing experience, the company has established a team of dozens of speakers, an electroacoustic research and development team, and a team of professional operators with more than 30 speaker manufacturing technologies.
Owning international and domestic trademarks with completely independent intellectual property rights and more than 30 inventions and utility model patents, the company has built a total of 30,000 square meters of workshops, including 7,000 square meters of production workshops, 5000 square meters of storage centers, 800 square meters of R&D centers, and 800 square meters of office.
FAQ:
What is the whole process for doing business with us ?
1) Details of the products are needed for quotation.
2)we provide Proforma Invoice to arrange payment for sample order
3) For bulk production, we will arrange production at once after we get 30% deposit.
4) We will send photos of all goods,packing,details,and B/L copy for client when goods finished.We will arrange shipment and provide original B/L after balance.
http://www.pro-speaker.com/
