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迷糊
聆至静
一点
54888
一点 在 2006-11-18 10:56:23 发表的内容 我也是7了
富盛
富盛 在 2006-11-18 10:59:01 发表的内容 Aerial Acoustics Model 20T!!SPECIFICATIONS Frequency Response 27 Hz to 30 kHz ± 2 dB. -8 dB at 23 Hz and 40 kHz Sensitivity 90 dB at 2.83 Vrms and 1.0 meter on axis Impedance 4 Ω nominal, 2.8 Ω minimum, low reactance Power Requirements 50 to 800 watts (8 Ω rating) recommended Crossover 300 Hz and 3.5 kHz at 24 dB per octave Linkwitz-RileyLarge independent networks on glass-epoxy PCBsHigh-purity copper wiring with TeflonÆ insulation Assembled 15.4 x 10.7 x 22.5" (390 x 272 x 572 mm)29.1 x 12.6 x 22.5" (740 x 320 x 572 mm)47.0 x 12.6 x 22.5" (1194 x 320 x 572 mm) Weight Each 252 lbs (115 kg). 346 lbs (157 kg) packed
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