{"text_format":"3","workbook":"xls","n_sheets":1,"sheets":["扩声系统"],"not_rendered":{"images":22},"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"扩声系统","index":0,"n_rows":35,"n_cols":9,"rows_kept":35,"merged":[[22,0,22,7],[26,0,26,6],[34,0,34,3]],"flags":["formulas_cached_only"]}
["序号","设备名称","品牌、型号","技术参数","国别","单位","数量","类似图样","备注"]
["一、音响及功放部分"]
[1,"线阵音响","LA210","频率响应   55Hz-18kHz\n单元组成   2×10\"(250mm)/3\" voice coil LF\n2×1\"(25mm)/1.7\" voice coil HF\n额定功率   500W RMS,2000W peak\n灵敏度   101dB 1watt/1 metre\n声压级   128 dB continuous,134 dB peak\n额定阻抗   8 ohms nominal\n指向性   Horizontal coverage：100°Vertical coverage：Varies,depending on array length and configuration\n分频点   800Hz, 2.1kHz passive\n输入方式   2×Speakon NL4\n包装尺寸   1030mm×535mm×880mm(Flight case/Pair) 560mm×415mm×1070mm\n净重   45 kg/pc","中国","只",12]
[2,"线阵低音音响","LA218S","频率响应   35Hz-300Hz\n单元组成   2×18\"(460mm)/4\"voice coil LF\n额定功率   1200W RMS, 4800W peak\n灵敏度   101dB 1watt/1 metre\n声压级   132 dB continuous,138 dB peak\n额定阻抗   4 ohms nominal\n输入方式   2×Speakon NL4\n包装尺寸   1120mm×785mm×885mm(Flight case/pc) 1170mm×900mm×740mm\n净重   94 kg/pc\n毛重   140 kg/(Flight case/pc) 104 kg/pc","中国","只",2]
[3,"超低音音响","YA218B","频率响应范围：35HZ-150HZ；单元组成：2X18\"(460mm)/4(100mm)；额定功率：1200W RMS,4800Wpeak；灵敏度：102db/1watt/1metre；声压级：132db continuous;138db peak;额定阻抗：4 ohms nominal;","中国","只",2]
[4,"返听音响","YT15","频率响应   40Hz-20kHz\n单元组成   1×15＂(385mm)/2.5＂voice coil LF\n1×1＂(25mm)/1.4＂voice coil HF\n额定功率   250W RMS,1000W peak\n灵敏度   97dB 1watt/1 metre\n声压级   121dB continuous,127 dB peak\n额定阻抗   8 ohms nominal\n指向性   80°×50°\n分频点   2kHz passive\n输入方式   2×Speakon NL4\n包装尺寸   565mm×545mm×795mm\n净重   26.6 kg/pc","中国","只",8]
[5,"线阵功放","UA2600","立体声功率 8Ω:   2×1300W\n立体声功率 4Ω:   2×1820W\n桥接功率 8Ω:   3600W\n信噪比   ≥98dB\n转换率:   15V/μS\n阻尼系数:   >230 Nominal operating condition 1KHz/8Ω\n频响:   ±1dB Nominal operating condition 20Hz-20KHz\n总谐波失声:   ≤0.03% Nominal operating condition 1kHz/8Ω\n互调失声:   ≤0.1Nominal operating condition 60Hz/7kHz 4:1\n\n输入灵敏度   0.77V\n\n输入阻抗   20kΩ/Balancde,10kΩ/un-Balanced\n\n分离度   62dB Rated Out 1kHz/8Ω\n\nLED指示   Protect,Clip,Signal,Bridge,Stereo,Parallel,Power\n\n保护功能   Soft Start,Short Circuit,Limiter,DC Fault,AC Line Fuse,Thermal Cut\n\n散热系统   Two steps speed fan\n\n电源   AC:220-230V 50Hz/60Hz\n\n重量   34Kg\n\n尺寸   482x460.5×132mm","中国","台",3]
[6,"低音功放","UA2600","立体声功率 8Ω:   2×1300W\n立体声功率 4Ω:   2×1820W\n桥接功率 8Ω:   3600W\n信噪比   ≥98dB\n转换率:   15V/μS\n阻尼系数:   >230 Nominal operating condition 1KHz/8Ω\n频响:   ±1dB Nominal operating condition 20Hz-20KHz\n总谐波失声:   ≤0.03% Nominal operating condition 1kHz/8Ω\n互调失声:   ≤0.1Nominal operating condition 60Hz/7kHz 4:1\n\n输入灵敏度   0.77V\n\n输入阻抗   20kΩ/Balancde,10kΩ/un-Balanced\n\n分离度   62dB Rated Out 1kHz/8Ω\n\nLED指示   Protect,Clip,Signal,Bridge,Stereo,Parallel,Power\n\n保护功能   Soft Start,Short Circuit,Limiter,DC Fault,AC Line Fuse,Thermal Cut\n\n散热系统   Two steps speed fan\n\n电源   AC:220-230V 50Hz/60Hz\n\n重量   34Kg\n\n尺寸   482x460.5×132mm\n","中国","台",4]
[7,"返听功放","UA1200","立体声功率: 600W,1KHz0.1 THD 4:900W ,桥按功率:1800W,1KHz0.1 THD 4:2000W ,信噪比:105db ,转换率:80V/μS,阻尼系数:500:1,频响:+/-0.1db,20Hz+20KHZ \n","中国","台",4]
[8,"U段手持话筒","森海塞尔 EW335G3","EM300G3真分集式接收器+SKM300G3配置静音功能按键手持式发射器+动圈式心形（e835）无线咪头。","德国","套",6]
[9,"U段手持话筒","EW352G3","EM300G3真分集式接收器+SK300G3配置遥控静音开关插孔腰包发射器+ME3-ew头戴式咪头","德国","套",4]
[10,"乐器拾音话筒","E914","是一款用于苛刻应用的高等级电容话筒。出众的声音特性使其能够用于非常复杂的工作","德国","套",8]
[11,"乐器拾音话筒","EW172G3","无线频率范围 516..... 865 MHz\n传输频率个数 1680\n预设个数 12\n交换频宽 42 MHz\n峰值频偏 +/- 48 kHz\n压缩扩展器 HDX\n频率响应范围 25...18.000 Hz\n信噪比 > 110 dB(A)\nTHD, 总谐波失真 < 0,9 %\n符合标准 ETS 300422 , ETS 300445 , CE , FCC\n天线接口 2 BNC, 50 Ohm\nAudio-XLR 接口 6,3 mm\n音频输出电平（平衡） XLR: +18 dBu max\n音频输出电平（非平衡） Jack: +12 dBu max\n外形尺寸 (接收机) 212 x 202 x 43 mm\n重量 (接收机) 900 g\n无线输出功率 30 mW\n工作时长 (发射机) typ. 8 h\n输入电压范围 3,0 V eff line\n外形尺寸 (发射机) 82 x 64 x 24 mm\n","德国","套",2]
[12,"监听耳机","HD280","大耳筒式,专业监听，旋转折叠耳罩，独特的32dB 的对外部噪声的阻抑","德国","只",1]
[13,"调音台","ALLEN&HEATHGL2400/432","32路单声道,2组立体声,4编组,立体声+单声道输出","英国","台",1]
[14,"数字音频处理器","DriveRack 260","2*6数字控制和信号处理器(配合RTA-M测试话筒现场粉红噪声测试,可连接电脑)","中国","台",3]
[15,"效果器","SPX2000","双通道专业数字效果器,预制效果97种,传统设置25种","中国","台",1]
[16,"均衡器","2231V","2*31段 均衡器,20分贝降噪,带限幅,3U长推子机","美国","台",1]
[17,"反馈抑制器","AFS224","反馈抑制器,双通道,2*24滤波器","美国","台",1]
[18,"分频器","DBX234XS","电子分频器,立体声2或3分频,单声道4分频,带XLR插口","美国","台",1]
[19,"电源时序器","NPW80时序电源","8路时序电源（每通道提供高达10安培电源）\n控制电路采用高可靠性和数字化设计，高电流继电器的输出级和低功耗\n1U和标准万用AC电源插座，可以非常方便使用\n具有开关机锁并配备用户钥匙，管理方便\n面板具有紧急关闭开关，安全方便","中国","台",2]
[null,"合计"]
["二、音源及点歌服务"]
[1,"DVD","先锋    BDP-LX55","蓝光DVD机，带3D功能 HDMI\n支援DTS-HD Master Audio, DTS-HD High Resolution Audio, Dolby True HD, Dolby Digital Plus \nPQLS (Multi Ch, Bitstream) 精準石英鎖定系統會透過 HDMI 端子，傳送幾乎全無抖動的多聲道音樂資料，包括以LPCM / Bitstream 形式，提供可能的最佳音質 \nSound Retriever Link經HDMI配合相對應擴音機, 提高播放電腦音樂檔案的音質 \n","日本","台",1]
[2,"高清点歌机","星网视易","型 号：易唱S66(ESING S66) \n面板类型：TN　点距：0.282mm\n黑白响应时间：5ms　对比度：1000：1\n可视角度：水平170/垂直160\n分辩率：1440*900　屏幕比例：16：10\n耗电功率：35W，待机<0.3W\n触摸屏钢化玻璃厚度：3mm\n触摸分辨率：4096*4096\n通迅协议：USB/RS232/PS2\n显示信号输入接口：VGA\n电源输入：12V　4A外置电源适配器输入","中国","套",1]
[null,"合计"]
["三、设备辅助材料"]
[1,"机柜",null,"2M","中国",2,"台"]
[2,"音箱线",null,null,"中国",8,"卷"]
[3,"音频线",null,null,"中国",4,"卷"]
[4,"高杆话筒架",null,"人声话筒支架，折叠式支架腿，立杆二节，具有可延展的二节臂","定制",10,"套"]
[5,"线阵音响吊架",null,"定制","定制",2,"套"]
[9,"辅材",null,null,"中国",1,"批"]
[11,"合计"]
["五、设备总计"]