本帖最后由 星空下的单车 于 2019-6-27 19:53 编辑
这款功放应该是定阻功放,后面有切换2欧和4欧阻抗的开关,开关连接线是从变压器中出来的。
配4欧的音箱音质没问题,可是配8欧的音箱,音质非常难听,很闷。刚查了下这功放的参数:
Amplifier class A / BConinuous Average Power @ 8 ohms BCD (Watts) 160 (x2) / 250 (x2)*Coninuous Average Power @ 4 ohms BCD (Watts) 260 (x2) / 400 (x2)*Coninuous Average Power @ 2 ohms BCD (Watts) 400 (x2) / NA*Continuous Average Power Bridged BCD (Watts) 800 @ 4/8 ohmsBurst Average Power @ 8 ohms BCD (Watts) 200 (x2) / 320 (x2)*Burst Average Power @ 4 ohms BCD (Watts) 360 (x2) / 560 (x2)*Burst Average Power @ 2 ohms BCD (Watts) 600 (x2) / NA*Burst Average Power Bridged BCD (Watts) 1200 @ 4 ohms / 1100 @ 8 ohmsFrequency Response (Hz, +/- 1dB) 20-20,000Hum and Noise (un / Aweighted -dB) -101 / -104THD -1kHz- 4 ohms 0.01 %THD - 20Hz-20kHz, 4 ohms less than 0.1%Slew Rate (V/uS) 20Slew Rate Bridged (V/uS) 40Damping Factor (30 Hz - 400 Hz @ 8 ohms) 300Crosstalk (1kHz / 20Hz-20kHz) -80 / -75 dBInput Impedance - Bal/Unbal (ohms) 22,000/12,000Input Sensitivity (Vrms) For Full Power Out 1.0/1.4 V *Max Voltage Gain (dB) 29CMRR @ 60Hz (min/typ) 48/56 dBStereo / Mono / Bridge (S/M/B) S/M/BProtection DC, Load, ThermalLimiter PeakHigh Pass Filter 40Hz, 12dB OctaveCooling Internal FanCooling Path Front to RearFan Filter User ServiceableInputs - XLR 2Inputs - 1/4 inch Jacks 2Outputs - Speakon 4-pin 2Outputs - Binding Post 2Power Consumption (typ/max) 750/1440 WattsRack Spaces 2Transformer Type ToroidalExterior Finish Baked, Black PaintedOther Features * Max power into 2 ohms / Max power into 4 ohmsDimensions (DWH /D fm ears, inches) 19 x 16.8 x 3.5 x 15.7Dimensions (DWH /D fm ears, cm) 48.3 x 43 x 8.9 x 40Weight (lbs / kg) 31.5 / 14.3
放大器类A / B.
连续平均功率@ 8欧姆BCD(瓦特)160(x2)/ 250(x2)*
连续平均功率@ 4欧姆BCD(瓦特)260(x2)/ 400(x2)*
连续平均功率@ 2欧姆BCD(瓦特)400(x2)/ NA *
连续平均功率桥接BCD(瓦特)800 @ 4/8欧姆
突发平均功率@ 8欧姆BCD(瓦特)200(x2)/ 320(x2)*
突发平均功率@ 4欧姆BCD(瓦特)360(x2)/ 560(x2)*
突发平均功率@ 2欧姆BCD(瓦特)600(x2)/ NA *
突发平均功率桥接BCD(瓦特)1200 @ 4欧姆/ 1100 @ 8欧姆
频率响应(Hz,+ / - 1dB)20-20,000
嗡嗡声和噪音(un / Aweighted -dB)-101 / -104
THD -1kHz- 4欧姆0.01%
THD - 20Hz-20kHz,4欧姆小于0.1%
压摆率(V / uS)20
摆率率桥接(V / uS)40
阻尼系数(30 Hz - 400 Hz @ 8 ohms)300
串扰(1kHz / 20Hz-20kHz)-80 / -75dB
输入阻抗 - Bal / Unbal(欧姆)22,000 / 12,000
输入灵敏度(Vrms),用于全功率输出1.0 / 1.4 V *
最大电压增益(dB)29
CMRR @ 60Hz(最小/典型值)48/56 dB
立体声/单声道/桥接(S / M / B)S / M / B.
保护直流,负载,热量
限制器峰值
高通滤波器40Hz,12dB倍频程
冷却内部风扇
冷却路径从前到后
风扇过滤器用户可维修
输入 - XLR 2
输入 - 1/4英寸插孔2
输出 - Speakon 4针2
输出 - 绑定帖子2
功耗(典型值/最大值)750/1440瓦
机架空间2
变压器类型环形
外部完成烤,黑色绘
其他特点*最大功率为2欧姆/最大功率为4欧姆
尺寸(DWH / D fm耳,英寸)19 x 16.8 x 3.5 x 15.7
尺寸(DWH / D fm耳,cm)48.3 x 43 x 8.9 x 40
重量(磅/千克)31.5 / 14.3
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