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  #1 (permalink)  
Old 07-01-2009, 04:32 PM
cLy_eVo's Avatar
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Join Date: Dec 2006
Posts: 69
Default DIY: LR channel pan/balance IC



I wanted to make LR channel balance becoz my left ear cannot hear well...

What do you think? Will this work?
This will need 2 fiio E5
Can fiio E5 accept mono plug? It wont short circuit or anything?
Will this degrade the SQ tremendously?

I know i can use a logarithmic taper instead but actually my left ear cannot hear very well at all frequency but especially so in lower frequency. So i plan on using bass boost on left channel fiio with a slightly higher volume than right channel fiio.

Dont laugh
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|| Compaq-Presario (Foobar2K-w/crossfeed+AetherVST-w/reverb+ASIO4all)+GovibeDAC || XDAFlame(40iPlay-w/reverb&crossfeed+srs-WoW-HD-w/truebass) || Rockboxed Sansa Fuze w/ crossfeed || Fiio-E5-w/bassboost ||Yuin-PK3 || Atrio-M5 || HFI-780 ||
SOLD:
|| AltecLansing-UHP336 || dBe-PR18 || Sansa-Clip-w/FlatEQ ||

Last edited by cLy_eVo; 07-01-2009 at 04:37 PM.
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  #2 (permalink)  
Old 07-01-2009, 05:18 PM
CDBacklash's Avatar
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Default

You can change balance with rockbox, and also within windows.
I am sure the same is possible for other OS.
It doesnt look bad, but I am sure there are better alternatives to using two fiio e5s and there are cables that will do the volume change for you (but you'll need an adapter that splits a 3.5 stereo to two 3.5 monos).
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  #3 (permalink)  
Old 07-02-2009, 11:10 PM
cLy_eVo's Avatar
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Default

rockbox cannot eq one channel
but i bought a sansa fuze, planned to rockbox, see how it suits me....
in windows i use foobar with head-fit which is 5 band EQ on each channel
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|| Compaq-Presario (Foobar2K-w/crossfeed+AetherVST-w/reverb+ASIO4all)+GovibeDAC || XDAFlame(40iPlay-w/reverb&crossfeed+srs-WoW-HD-w/truebass) || Rockboxed Sansa Fuze w/ crossfeed || Fiio-E5-w/bassboost ||Yuin-PK3 || Atrio-M5 || HFI-780 ||
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|| AltecLansing-UHP336 || dBe-PR18 || Sansa-Clip-w/FlatEQ ||
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  #4 (permalink)  
Old 07-03-2009, 03:23 AM
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For your bass.. amplifiers like the M3 and PPAv2 have such features integrated onto the circuit board, and easy to enable for just one channel.

Alps 50K A x2 Balance Control Volume RK27 series Japan - eBay (item 220427386156 end time Jul-03-09 08:07:52 PDT)
For the channel balance
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