
Krell新品Duo 175是一款纯A类的立体声后级放大器,外观上沿用Krell经典的银黑色机身设计,整个外壳采用航天级加
厚铝合金制作,有效减少外界的干扰。内部方面,采用Krell奇力最新研发的智慧型偏压线路(iBias),可大幅提升转
换效率及降低整体发热,使得电流量和偏压水平时刻维持在最佳状态,并有效克服了传统A类电路容易过热和效率低的
问题,同时更解决了互调失真的问题,确保有丰富的音乐细节以及超卓的音乐表现力,带来了超越传统纯 A 类的空前
巅峰境界。
Krell Duo 175的额定输出功率为175W@8Ω,4Ω时能实现翻倍增长,可达至350W。另外,Duo 175配备了先进的网络监
测系统,用家可通过电脑或智能终端连接登陆到Duo 175,随时了解机器的具体运转情况。
——转自中关村在线
厚铝合金制作,有效减少外界的干扰。内部方面,采用Krell奇力最新研发的智慧型偏压线路(iBias),可大幅提升转
换效率及降低整体发热,使得电流量和偏压水平时刻维持在最佳状态,并有效克服了传统A类电路容易过热和效率低的
问题,同时更解决了互调失真的问题,确保有丰富的音乐细节以及超卓的音乐表现力,带来了超越传统纯 A 类的空前
巅峰境界。
Krell Duo 175的额定输出功率为175W@8Ω,4Ω时能实现翻倍增长,可达至350W。另外,Duo 175配备了先进的网络监
测系统,用家可通过电脑或智能终端连接登陆到Duo 175,随时了解机器的具体运转情况。
——转自中关村在线
器材规格
Frequency response
20 Hz to 20 kHz +0, -0.08 dB
0.5 Hz to 100 kHz +0, -3 dB
Signal-to-noise ratio
>95 dB, wideband, unweighted, referred to full power output
>115 dB, "A"-weighted
Gain
26.2 dB
Total harmonic distortion
<0.03% at 1 kHz, at 175 W, 8 Ω
<0.13% at 20 kHz, at 175 W, 8 Ω
Input Impedance
Single-ended: 100 kΩ
Balanced: 200 kΩ
Input sensitivity
Single-ended or balanced: 1.84 V RMS
Output power
175 W RMS at 8 Ω
350 W RMS at 4 Ω
Output voltage
106 V peak-to-peak
37 V RMS
Output current
13 A peak
Slew rate
40 V/μs
Output impedance
<0.038 , 20 Hz to 20 kHz
Damping factor
>210, 20 Hz to 20 kHz, referred to 8 Ω
Power consumption
Standby: 1 W
Idle: 73 W
Maximum: 1500 W
Heat output
Standby: 3.42 BTU/hr.
Idle: 250 BTU/hr.
Maximum: 5137 BTU/hr.
Inputs
2 single-ended via RCA connector
2 balanced via XLR connector
Outputs
2 pairs binding posts
Dimensions
17.1 in. W x 7.65 in. H x 21.10in. D
434 mm W x 194 mm H x 536mm D
Weight
70 lbs., 31.8 kg (shipping)
60 lbs., 27.3 kg (unit only)
20 Hz to 20 kHz +0, -0.08 dB
0.5 Hz to 100 kHz +0, -3 dB
Signal-to-noise ratio
>95 dB, wideband, unweighted, referred to full power output
>115 dB, "A"-weighted
Gain
26.2 dB
Total harmonic distortion
<0.03% at 1 kHz, at 175 W, 8 Ω
<0.13% at 20 kHz, at 175 W, 8 Ω
Input Impedance
Single-ended: 100 kΩ
Balanced: 200 kΩ
Input sensitivity
Single-ended or balanced: 1.84 V RMS
Output power
175 W RMS at 8 Ω
350 W RMS at 4 Ω
Output voltage
106 V peak-to-peak
37 V RMS
Output current
13 A peak
Slew rate
40 V/μs
Output impedance
<0.038 , 20 Hz to 20 kHz
Damping factor
>210, 20 Hz to 20 kHz, referred to 8 Ω
Power consumption
Standby: 1 W
Idle: 73 W
Maximum: 1500 W
Heat output
Standby: 3.42 BTU/hr.
Idle: 250 BTU/hr.
Maximum: 5137 BTU/hr.
Inputs
2 single-ended via RCA connector
2 balanced via XLR connector
Outputs
2 pairs binding posts
Dimensions
17.1 in. W x 7.65 in. H x 21.10in. D
434 mm W x 194 mm H x 536mm D
Weight
70 lbs., 31.8 kg (shipping)
60 lbs., 27.3 kg (unit only)
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