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1、三基音响科技有限公司专业功放测试报告型号:测试时间:测试次数:电源电压:信号源内阻:40ΩBAL,接滤波器测试一.基本性能测试序号测试项目测试条件测试数据单位标准参数判定CH1CH2CH3CH41失真限制的功率8Ω*1,THD+N=0.5%,20Hz/1KHz/20KHz,UN-WTD(22Hz-22KHz)W供参考8Ω*4,THD+N=0.5%,20Hz/1KHz/20KHz,UN-WTD(22Hz-22KHz)300±10%NG4Ω*1,THD+N=0.5%,20Hz/1KHz/20KHz,UN-WTD(22Hz-22KHz)供参
2、考4Ω*4,THD+N=0.5%,20Hz/1KHz/20KHz,UN-WTD(22Hz-22KHz)450±10%NG桥接8Ω*1,THD+N=0.5%,20Hz/1KHz/20KHz,UN-WTD(22Hz-22KHz) 供参考桥接8Ω*2,THD+N=0.5%,20Hz/1KHz/20KHz,UN-WTD(22Hz-22KHz) 900±10%NG292094010201000W供参考page8of8三基音响科技有限公司专业功放测试报告长期最大输出功率粉噪信号,10倍额定源电动势,4Ω*13最小源电动势8Ω*
3、4,THD+N=0.5%,1KHz1.0351.0161.0251.036V1±10%OK4信噪比8Ω*1,THD+N=0.5%,1KHz919593.191.2dB>102NG5增益8Ω*1,正常工作条件,1KHz33.633.6133.6133.6dB供参考6总谐波失真8Ω*1,正常工作条件,20Hz/1KHz/20KHz,A计权0.0130.0840.0440.0130.0910.0580.0180.0820.0530.0110.1130.086%<0.1NG8Ω*1,输出2.83V,20Hz/1KHz/20KHz,A计权0.0
4、20.0440.030.0440.0760.040.0680.1150.1250.0210.0220.019<0.5OK7频率响应8Ω*1,正常工作条件,20Hz-20KHz-0.23—-0.61-0.21—-0.31-0.22—-0.5-0.16—-0.23dB±0.5NG8输入阻抗8Ω*1,正常工作条件,100Hz/1KHz/10KHz9.69.69.59.99.99.89.59.49.39.59.49.3KΩ供参考9互调失真8Ω*1,80%额定输出功率,60Hz&7KHz55.45.35.4%供参考8Ω*1,正常工作条件,60H
5、z&7KHz0.1860.2150.1830.254<0.5OK10过载源电动势8Ω*1THD+N=0.5%,1KHz,A计权5.45.55.55.5V>8NG11阻尼系数8Ω*1,额定输出功率,100Hz8689.385.782>400NG12转换速率8Ω*1,THD+N=0.5%,5KHz11.2511.8610.4710V/uS>40NG13增益差8ΩCH1-CH2CH2-CH3CH3-CH4dB±0.5OKpage8of8三基音响科技有限公司专业功放测试报告*2,正常工作条件,20Hz/1KHz/20KHz0.020.040.
6、030.040.050.330.130.150.1414串音8Ω*1,THD+N=0.5%,20Hz/1KHz/10KHzCH1→CH2CH2→CH1CH3→CH4CH4→CH3Db0Hz/1KHz>75;10KHz>55NG47.565.258.847.467.271.147.168.566.846.668.471CH2→CH3CH3→CH2dB20Hz/1KHz>75;10KHz>55NG64.863.462.864.662.562.115相移8Ω*2,正常工作条件,40Hz/1KHz/10KHz输出-输出CH1-CH2CH2-C
7、H3CH3-CH4°±15OK-0.3-0.20.5-0.3-0.4-2.6-0.5-0.30.68Ω*2,正常工作条件,40Hz/1KHz/10KHz输出-输入CH1out-CH1inCH2out-CH2inCH3out-CH3inCH4out-CH4in±15NG172.8-174.7-123.8172.8-174.9-124.7173.1-174.7-122.4173-174.6-123.316噪声关闭输入信号,音量电位器置最大位置,A计权0.570.561.180.68mV<4.8OK17静态功耗关闭输入信号50W<40NG1
8、8整机功耗及效率8Ω*4,输出1/8临界削波输出功率后提升电源电压至额定电源电压的1.1倍197/71W/%供参考4Ω300/74.6供参考page8of8三基音响科技有限公司专业功放测试报告*4,输出1/8临界削波输出