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Old 3rd August 2014, 12:40 AM   #1
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Default Sympatico amplifier - impressions?

I am thinking of buliding stereo (later active) 2 way system for my friend, using Sympatico amplifier modules. It will be feed through balanced connections with DAC/preamp or miniDSP. Since I have not get yet any listening experiences using LM4780 in such configuration, I am asking Sympatico builders about their opinions about this project, which loudspeakers are you using and how far should I put sound performance expectation?


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Old 7th August 2014, 03:23 PM   #2
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No Sympatico users here?
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Old 7th August 2014, 04:22 PM   #3
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There are -it just take some time for someone to see the post.
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Old 11th August 2014, 11:26 PM   #4
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No one here?
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Old 16th August 2014, 01:30 PM   #5
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Russ, you have pm.
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Old 18th August 2014, 03:11 PM   #6
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I have the same question as supernet- I has searched some time ago and found there's very little written on the sympatico listening impressions.
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Old 19th August 2014, 07:47 PM   #7
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Same here - i been thinking about Simpatico since i built Buffalo IIIse, but without any feedback it's kind of scary to invest/build it...
It would be great to hear how it compares to simple gainclones and Pass amps...
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Old 30th November 2014, 11:52 AM   #8
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So i guess i can answer my own question now. I built Sympaticos recently and am happy to report excelent results. They are surprisingly powerfull, detailed, transparent and yet very easy to listen to. A lot of this has to do with direct connection with Buffalo IIIse probably, but still...
A few comments about them on this forum suggest they may sound sterile/clinical but they are not. They are quite smooth and musical while most importantly - they "lack" that fatiguing sharpness/ compression found in the highs of many other amps while extracting amazing "real" details. This will obviosly depends on how you build them and wires, but i doubt results will vary by much... Also I use them with fairly easy load (95db, 6-8oh), but will try with some other speakers soon.

Tonal balance wise - Sympaticos have more bass/less highs than say my Creek Destiny amp. In my current configuration - they sound darker which i like, with none of that HF "glare". To my ears - tonal balance is next to perfect.

The only "tunning" option i have tried yet is Nichicon KZ 1000uF caps in place of Panasonic 470uF at one amp while leaving stock panasonics at other. The sound is different tonal balance wise at least, and strangely - panasonics produce more bass...While nichicons favor highs but have kind of boomier midbass which is strange. At first i thought it's my understuffed (yet) TQWTs but the other speaker is the same so i guess one should be carefull when picking anything other than stock caps for these positions...

Last edited by AlexanderTD; 30th November 2014 at 12:10 PM.
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Old 30th November 2014, 02:03 PM   #9
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Thanks Alexander. Would love to see pics... And where are the other sympatico users?
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Old 1st December 2014, 03:20 PM   #10
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I am glad to see others enjoying the B3(and B3SE) -> Sympatico combo. It is after all exactly the kind of audio chain I was striving to achieve. I sold several amps after creating the Sympatico.
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