P.Audio ดอกลำโพง 15" รุ่นใหม่ 15BM-300B V3 300 วัตต์ 8 โอห์ม ขนาด 15 นิ้ว คุณภาพเสียงดี ทนทาน

General Specifications
Nominal Diameter : 381 mm (15 in)
Nominal Impedance : 8 Ω
Nominal Power Handling : 300 W(AES)
Continuous Program Power : Capacity 600 W
Sensitivity : 97 dB
Frequency Range : 45-3500 Hz
Voice Coil Diameter : 76.2 mm (3.0 in)
Voice Coil Material : CCA-W
Former Material : Glass fiber
Effective Piston Diameter : 331 mm (13.0 in)
Flux Density : 1.2T

PHYCPHYSICAL INFORMATION
Magnet Material : Ferrite
Basket Material : Aluminium
Surround Material : Cloth
Cone Material : Paper
Dust Cap Material : Paper
Spider Material : Cotton (Single)
Gasket : EVA
Pole Design : T-Pole
Woofer Cone Treatment : No Treatment

PARAMETERS
Fs : 48 Hz
Re : 5.7 Ω
Qms : 5.39
Qes : 0.43
Qts : 0.4
BL : 19.19 Tm
Mms : 92.19 g
Mmd : 77.81 g
Vas : 123.35 lt
Sd : 855 cm2
Le : 0.44 mH
Eff (η₀) : 3.09%
Cms : 1.2 e-04 m/N
Xmax : 3.9 mm
Hag : 9.0 mm
Hvc : 16.8 mm

MOUNTING AND SHIPPING INFORMATION
Diameter : 391.5 mm (15.4 in)
Baffle Cutout Diameter : 353.4 mm (13.9 in)
Mounting Hole Diameter : 372 mm (14.6 in)
Bolt Circle Diameter : 8 x Ø 6.5 mm
Depth : 150.8mm (5.9 in)
Flange and Gasket Thickness : 15.6 mm (0.61 in)
Net Weight : 8 kg
Shipping Units 1
Shipping Weight 9 kg
Shipping Box430 x 430 x 220 mm