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Old 26th March 2013, 06:38 PM   #2101
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Originally Posted by cogitech View Post
tvrgeek,


But, isn't there room for those of us who can't be bothered to understand it all? There must be others, like me, who simply want to try different opamps in their particular device(s) to see which one they like the sound of best. Perhaps it isn't the opamp, but the circuit's response to the opamp; the point is, the sound changes (for better or worse) and we can decide which one we like best. Opamp rolling, for us, is "just tinkering"; a way to maybe find unexpected synergy, maybe not, in the true spirit of the "hacker".
Of course there's room for you and in fact a lot of useful information comes this way - not to mention the fact that the hi fi industry is full of tinkerers. DIY too! Hasn't this thread yet got a definitive list of what is worth trying and what isn't? Surely that's it's aim? And I assure you that life is too short for most hi fi companies to take into account which amps reference which rail or the size of the bypass caps and few do anything different from you.
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Old 26th March 2013, 06:43 PM   #2102
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Originally Posted by ChristianThomas View Post
Of course there's room for you and in fact a lot of useful information comes this way - not to mention the fact that the hi fi industry is full of tinkerers. DIY too! Hasn't this thread yet got a definitive list of what is worth trying and what isn't? Surely that's it's aim? And I assure you that life is too short for most hi fi companies to take into account which amps reference which rail or the size of the bypass caps and few do anything different from you.


Perhaps there should be two main (sticky?) opamp threads; one for subjective, anecdotal reports and the other for technical discussions.
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Old 8th November 2013, 02:10 PM   #2103
Mooly is offline Mooly  United Kingdom
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Come and join the fun folks
ULTIMATE OPAMP SHOOTOUT... Where you get to decide.
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Old 8th November 2013, 03:09 PM   #2104
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Good old 741 sounds da best ..........
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Old 8th November 2013, 04:37 PM   #2105
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Originally Posted by manso View Post
Good old 741 sounds da best ..........
Maybe it does Come and have a listen...
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Old 11th November 2013, 03:23 PM   #2106
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Switching between NE5532 and LME49720 in a filter circuit, and I honestly cant tell the difference. But those to99 LMEs just sound better, to my eyes ��

But for the end filter, i found quads more useful.
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Old 11th November 2013, 04:21 PM   #2107
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Default LME Opamps

Hi Everyone,

I have not posted for quite awhile but now that TI/National has eliminated the entire audio group in Santa Clara I am unemployed again and I now have loads of free time to look at my favorite online forum again.

Please keep buying the LME metal can parts if you like them because you never know when they may stop producing them.

Hope the LME parts do well in your testing event. Please use the metal can HA parts for all critical analog circuits... Excepting the great the LME49811 poweramp preamp driver which only comes in a plastic package because we were never able to get the approvals to put it into a metal package. However I do have a couple of LM4702's (the first actual LME part made on the new process for audio!) in a multi pin T03 package though. I even have a demo board for it...I really need to get it running again at home except the fact that I don't have a good analyzer at home to measure it! Anyone have an AP2 Cascade 192 for sale cheap!

Best "Unemployed Audio Engineer...Again" Regards,

Audioman54 / Mark
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Old 11th November 2013, 04:32 PM   #2108
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Best wishes Mark.

I always wondered why chips sound better in a metal can...
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Old 11th November 2013, 04:33 PM   #2109
Mooly is offline Mooly  United Kingdom
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Sorry to hear about your situation Mark. Sign of the times I guess...

Maybe taking the opamp challenge might cheer you up
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Old 11th November 2013, 04:59 PM   #2110
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Best "Unemployed Audio Engineer...Again"

Geez Mark,

We 'old audio guys' should form a union or something. Good luck to you!
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