窮人DIY HD650 耳擴大作戰
先入HD650,但一直找吾到合適耳擴drive對HD650,迫住上個禮拜買料自己砌,RMAA TEST REPORT WITH 330ohm LOAD
本帖最後由 sd005 於 2011-4-3 18:59 編輯RightMark Audio Analyzer test report
Testing device E-MU 0404 | USB
Sampling mode 16-bit, 44 kHz
Interface MME
Testing chain External loopback (line-out - line-in)
RMAA Version 6.2.3
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change -1.0 dB / -0.9 dB
Mono mode OFF
Calibration singal, Hz 1000
Polaritycorrect/correct
Summary
Frequency response (from 40 Hz to 15 kHz), dB +0.01, -0.09 Excellent
Noise level, dB (A) -86.1 Good
Dynamic range, dB (A) 86.0 Good
THD, % 0.0055 Very good
THD + Noise, dB (A) -77.9 Average
IMD + Noise, % 0.062 Good
Stereo crosstalk, dB -77.3 Very good
IMD at 10 kHz, % 0.012 Very good
General performance Very good RightMark Audio Analyzer test report
Testing device E-MU 0404 | USB
Sampling mode 16-bit, 44 kHz
I ...
sd005 發表於 2011-4-3 18:58 http://www.post76.com/discuss/images/common/back.gif
聽感如何呀,師兄? 煲緊!!!要啲時間 DIY HD650 耳擴!{:6_193:} 好玩 Ching {:6_193:} 一個字"勁"呀!{:6_193:} 小弟也有650,但我不懂diy amp,但diy了幾條線比佢,650真係好玩! 勁{:6_211:}
窮人DIY HD650 耳擴大作戰 20011410 更新
20110410 最終完成!!! 煲了4-5日, 初試, 頻寬寬左, 定位/分析力比之前明顯準確/高了不小, 終於逼倒我對HD650出真功夫!!!{:1_253:}
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