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GF8BS65

⌀ 8 inch     Ferrite Ring
Nom. Impedance: 8Ω
Voice Coil ⌀: 65mm
Continuous Program: 200W
Sensitivity: 92dB
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Nominal Diameter 

8'' / 210mm

Nominal Impedance 

8 Ω

Minimum Impedance

6.5 Ω

Nominal Power Handling AES 

100 W

Continuous Power Handling

200 W

Sensitivity 1W/1m²

92 dB

Frequency Range

63-6K Hz

Voice Coil Diameter

65 mm

Winding  Material

Copper


F0

55 Hz

Re

3.9 Ω

Qes

0.245 

Qms

2.68

Qts

0.22

Vas

15.25 dm³

Sd

0.02 cm²

Xmax

±3 mm

Xvar

±5 mm

Mms

32.95g

BL

13.67T.m

Le

0.35mH


Overall Diameter

208 mm

Bolt Circle Diameter

205 mm

Baffle Cutout Diameter

184 mm

Total Depth

108 mm

Flange and Gasket Thickness

9 mm

Net Weight

4.45 kg

Shipping Weight

4.8 kg

Shipping Box

220×220×150 mm



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Ningbo BTL Audio

We are a producer maintaining production bases in Ningbo and Guangzhou, designs and manufactures high-quality PA loudspeakers.
We integrate forward-thinking design, stringent materials, precision testing, and automated production with skilled assembly to guarantee exceptional quality and reliability.
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