論壇 › DIY分享 › 窮人DIY HD650 耳擴大作戰

sd005 發表於 2011-4-3 18:27

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,

sd005 發表於 2011-4-3 18:58

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

plnl88 發表於 2011-4-3 19:10

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？

sd005 發表於 2011-4-3 19:24

煲緊!!!要啲時間

fm31331 發表於 2011-4-3 20:13

DIY HD650 耳擴!{:6_193:}

corolladv 發表於 2011-4-3 22:54

好玩 Ching {:6_193:}

KING 發表於 2011-4-3 23:04

一個字"勁"呀!{:6_193:}

fab 發表於 2011-4-3 23:28

小弟也有650，但我不懂diy amp,但diy了幾條線比佢，650真係好玩!

kclam1234 發表於 2011-4-4 16:09

勁{:6_211:}

sd005 發表於 2011-4-10 16:52

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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