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出售QSC 18寸 18 inch SB-7218 超低音 Cinema Subwoofer 影院低音炮 喇叭 Speakers

二手 HK$12,000 (不議價)
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cat829 (1)  
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刊登日期
61 日前
最後更新
61 日前
刊登期至
2021-12-27 19:11:06
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Features

SB-7218 features dual 700-watt transducersFrequency range extends to below 25 Hz when used with the correct B6 filterDCM and SF-3 signal processors optionally availableEnclosures feature vandal-resistant woofer mounting bolts

 

SPECIFICATIONS

 SB-7218Frequency Range 1
(-6 dB, Half space)
(-10 dB, Half space)
22–100 Hz
19–250 HzMaximum Output 2
Calculated Peak at rated power
Calculated Continuous
137 dB
130 dBImpedance4 ohms nominalMaximum Input Power 3
(100 hours of 6 dB crest factor
IEC 268 noise spectrum)
(2 hours of 6 dB crest factor pink
noise, 50 Hz–20 kHz, AES method)
Recommended Amplifier Power
1200 watts continuous

1500 watts continuous

2600 watts continuous maximumSensitivity 2 V at 1 meter, half space101 dBTransducersTwo 18-inch (457 mm) 700-watt high-efficiency subwoofer transducers featuring 4-inch (100 mm) copper voice coils on Kapton formersRecommended ProcessingLF boost Freq. = 25 Hz
Q = 2.0
Gain = +6 dB
provided by QSC, SF-3 or DCMConnectorsBarrier strip screw terminals accept up to #10 AWG stranded wireEnclosureB6 alignment, vented enclosure with symmetrical port design, tuned to 25 Hz, constructed of MDF and heavily braced. Features vandal-resistant woofer mounting bolts.Dimensions (HWD) inches48 × 30 × 24Dimensions (HWD) mm762 x 1220 x 610Weight210 lb (95 kg)

1All frequency ranges specified refer to measured response (half space, 2 pi).
2Calculated SPL at 1 m, (half space, 2 pi), speaker operating at rated continuous power with pink noise within specified frequency range.
3Maximum input power tested in accordance with IEC 268-5 recommendations, 50 Hz–20 kHz band limiting, 6 dB signal crest factor
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