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Cmoy HAP need help
Sep 21, 2010 at 5:32 PM Thread Starter Post #1 of 50
@@anderson@@

@@anderson@@

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can some one tell me whts the difference ?? and which one will have a better sound ? 
and whts the advantage on each one ? Is it one Mono and One Stereo ? if so which one is which
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thanks a lot for looking and this
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Sep 21, 2010 at 5:47 PM Post #2 of 50
No real difference, the first is useing 2 single opamps whereas the second is using a dual opamp
 
cheers
FRED
 
Sep 21, 2010 at 6:18 PM Post #4 of 50
The difference in sound will be greater for the different op amp types
than for which circuit you use. As Fred mentioned, other than one using
two single op amps and the other using a dual op amp, they are exactly
the same circuit.
 
Sep 21, 2010 at 6:24 PM Post #6 of 50


Quote:
avro_arrow said:
Personally, I like the sound of LT1363CN8 (first schematic) or LT1364CN8 (for the second schematic).
Click to expand...

 
So if i use the LT1364CN8 for the IC, will it have the same function ? and do i connect them in the same way ?
 
Can you please describe more on how the LT1364CN8 sounds like ?
 
thanks a lot
biggrin.gif
very helpful comments here
smily_headphones1.gif

 
Sep 21, 2010 at 6:35 PM Post #7 of 50


Quote:
@@anderson@@ said:
 
So if i use the LT1364CN8 for the IC, will it have the same function ? and do i connect them in the same way ?
 
Can you please describe more on how the LT1364CN8 sounds like ?
 
thanks a lot
" class="bbcode_smiley" height="" src="http://files.head-fi.org/images/smilies//biggrin.gif" title="
biggrin.gif
" width="" /> very helpful comments here
" class="bbcode_smiley" height="" src="http://files.head-fi.org/images/smilies//smily_headphones1.gif" title="
smily_headphones1.gif
" width="" />
Click to expand...


and can some one tell me the value of the volume pot please
biggrin.gif

 
Sep 21, 2010 at 6:39 PM Post #8 of 50
Yes, you would use the dual op amp schematic. All dual op amps connect the same way.
If you use a DIP socket, then you can easily change the op amp to try different ones out
to see how they sound.
 
The LT1364CN8 is a very fast amp. What this means is everything just sounds more
crisp and clean. There are many great sounding op amps and which sounds best
to you will be different from which one sounds best to me...
 
AD8620 is another great sounding op amp. Not as fast as LT1364 but has great vocals.
You can use op amps that come in the SOIC package by soldering them to a SOIC to DIP
adapter like those sold by Brown Dog
 
Quote:
@@anderson@@ said:
 
So if i use the LT1364CN8 for the IC, will it have the same function ? and do i connect them in the same way ?
 
Can you please describe more on how the LT1364CN8 sounds like ?
 
thanks a lot
" class="bbcode_smiley" height="" src="http://files.head-fi.org/images/smilies//biggrin.gif" title="
biggrin.gif
" width="" /> very helpful comments here
" class="bbcode_smiley" height="" src="http://files.head-fi.org/images/smilies//smily_headphones1.gif" title="
smily_headphones1.gif
" width="" />
Click to expand...



 
Sep 21, 2010 at 6:47 PM Post #11 of 50


Quote:
avro_arrow said:
Yes, you would use the dual op amp schematic. All dual op amps connect the same way.
If you use a DIP socket, then you can easily change the op amp to try different ones out
to see how they sound.
 
The LT1364CN8 is a very fast amp. What this means is everything just sounds more
crisp and clean. There are many great sounding op amps and which sounds best
to you will be different from which one sounds best to me...
 
AD8620 is another great sounding op amp. Not as fast as LT1364 but has great vocals.
You can use op amps that come in the SOIC package by soldering them to a SOIC to DIP
adapter like those sold by Brown Dog
 

 
Click to expand...


the LT1364CN8 sounds good to me as i can get them in uk
biggrin.gif
 so by changing the capacity from 100uf to something like 220uf will that have a different in sounds？
 
Sep 21, 2010 at 7:03 PM Post #12 of 50
Yes.
Bigger caps in the power supply will give better bass response.
Even better would be to use one of the higher current virtual
ground circuits you can find on Tangents site. Even a virtual
ground based on a TLE2426 will outperform the simple resistor
divider virtual ground.
 
Sep 22, 2010 at 2:48 AM Post #13 of 50


Quote:
avro_arrow said:
Yes.
Bigger caps in the power supply will give better bass response.
Even better would be to use one of the higher current virtual
ground circuits you can find on Tangents site. Even a virtual
ground based on a TLE2426 will outperform the simple resistor
divider virtual ground.
Click to expand...

so will it be a good idea if I put a switch in so i can change from 100 uf and 220 uf ?
 
 
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