RA Audio, RAX85
RA Audio รุ่น RAX85, the reference ลำโพง woofer ขนาด 3.5" ของห้าง
มือสอง สภาพดี พร้อมใช้งาน
Woofer โครงเหล็กหล่อ กรวยอลูมิเนียม ขอบยาง.................Impedance 4 ohms
TECHNICAL SPECIFICATIONS
SPEAKER MODEL.....................................................................RAX85
Nominal Diameter............................................3 ½" (8.5cm) Euro-DIN
Nominal Impedance.........................................................................4Ω
Voice Coil Diameter......................................................................19mm
Front Pole-Plate Height...............................................................8.5mm
Voice Coil Winding Height..............................................................6mm
Frequency Response (- 3dB)...........................................100 Hz – 20kHz
Free Air Resonance Fs.....................................................................98Hz
Equivalent Air Volume Vas................................................................1.1L
DC Resistance Re..............................................................................3.7Ω
Electrical Q Qes.................................................................................0.63
Mechanical Q Qms...............................................................................3.1
Total Q Qts........................................................................................0.52
Moving Mass Mms.............................................................................5.3g
Electrical Excursion Xmax......................................................2.5mm p-p
Force Factor B/L...........................................................................4.4T/m
Sound Pressure Level SPL................................................84.6dB/1W/1m
Effective Cone Area Sd...................................................................40cm2
Continuous Power Handling Pe...................................................50Wrms
Peak Power Handling.........................................................................75W
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