(22-01-2014, 01:43 PM)winarji Wrote: pak bulus berapa wat kang dan berapa harganya. karena kemarin saya mau beli exellent
tapi ada dua seri 18880 dan 18890. bingung mau pilih yang mana
apa kelebihan dari 18890 dengan 18880. bisa jadi pilihan untuk pakbulusnya karena kurang 2ls lagi.
SPESIFIKASI :
18" PA 18890 EXCELLENT
Nominal Dieameter 18 Inch
Nominal Impedance 8 Ohm
Cone Material Paper
Edge Cloth
Maximum Power 1000 Watt
Magnet Weight 94.5 Oz
Frequency Response 44 Hz - 3.2 KHz
Sensitivity 96 dB
Voice Coil Diameter 99.2 mm
THIELE SMALL PARAMETER
Resonance Frequency Fs 44 Hz
DC Resistance Re 5.6 Ohm
Mechanical Factor Qms 10
Electical Factor Qes 0.59
Total Factor Qts 0.56
BL Factor BL 22 T/m
Effective Moving Mass Mms 182.4 Gram
Equivalent Cas Air Load Vas 166.7 Liter
Effective Piston Area Sd 1307.4 Cm2
Voice Coil Inductance Le 0.99 mH
Half Space Efficiency Eff 2.41 %
MOUNTING INFORMATION
Overall Diameter 474mm
Bolt Circle Diameter 448 mm
Bolt Hole Diameter 8 mm
Front Mount 426 mm
Overall Depth 200 mm
18" PA 18838 EXCELLENT
Nominal Dieameter 18 Inch
Nominal Impedance 8 Ohm
Cone Material Black Paper
Edge Cloth
Maximum Power 1000 Watt
Magnet Weight 95.75 Oz
Frequency Response 37 Hz - 3.6 KHz
Sensitivity 100 dB
Voice Coil Diameter 99.2 mm
THIELE SMALL PARAMETER
Resonance Frequency Fs 35.6 Hz
DC Resistance Re 5.7 Ohm
Mechanical Factor Qms 9.78
Electical Factor Qes 0.49
Total Factor Qts 0.47
BL Factor BL 21.2 T/m
Effective Moving Mass Mms 173.8 Gram
Equivalent Cas Air Load Vas 259.7 Liter
Effective Piston Area Sd 1269.2 Cm2
Voice Coil Inductance Le 1.04 mH
Half Space Efficiency Eff 2.29 %
Kang @Winarji, semoga bisa bantu postingan diatas. huruf yang dipertebal adalah perbedaan antara kedua type. saya vote type 18838 bisa merespon nada lebih rendah. saya coba cari type 18880 kayaknya ngak ada atau mungkin saya salah, mohon dikoreksi.