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最近看中B&K Reference 200.7和Sherbourn 7/2100A两款后级,感觉参数都差不多。还请了解这两款后级的达人谈谈高见,究竟选哪款好些?
B&K Reference 200.7的参数:
·Frequency Response 5Hz-45kHz
·Dampening Factor (50Hz) 450
·Input Sensitivity 1.4V
·Input Impedance (ohms) 33.2k THD (S+N) .09%
·Power Rating 8 ohms 7x200W
·Power Rating 4 ohms 7x375W
·Slew Rate 14v/µs
·Amperage (peak-to-peak) 75
·Signal to Noise Ratio, A Weighted 95dB
·Dynamic Headroom 1.2 dB
Sherbourn 7/2100A的参数:
● Power output per channel: 200 W into 8 ohm, 300 W into 4 ohm
● THD: <0.05% at 8 ohm, <.075% at 4 ohm
● Output load impedance: 8 or 4 ohm in normal mode, 8 ohm minimum in bridged mode
● Input load impedance: 20 kohm (balanced or unbalanced)
● Input sensitivity: 1.1 V (balanced or unbalanced)
● Power bandwidth: 5 Hz to 75 kHz
● S/N ratio: 100 db wideband, 110 db A-weighted
[ 本帖最后由 hawkchan 于 2010-7-9 16:28 编辑 ] |
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