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Twin Audio Twin Audio is a manufacturer of hand made audiophile tube amplifiers.

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Old 18th February 2015, 11:41 AM   #1
sebrof is offline sebrof  United States
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Default Sinfonia Preamp

Does anyone have any information on the Twin Audio Sinfonia preamplifier? I picked this up from an acquaintance yesterday who is downsizing. Beautiful amp, the best quality components I believe I've ever seen in something that I can actually afford. But the guy I bought it from didn't have any information on it.
TIA
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Old 11th September 2015, 02:55 PM   #2
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Hello,

What information do you want to konw about the tube preamp?

Thanks,
Tony.
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Old 12th September 2015, 02:27 AM   #3
sebrof is offline sebrof  United States
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Hello Tony, thanks for the response.

I'm just looking for any information on it. I guess specifically about the transformer coupling - What transformers are in there, why did you choose that design vs. cap coupled (I assume that would be another more common design). What do the transformers do, exactly. That sort of thing.
The only info I have on it is what is written on the front and what I can deduce from looking at the underside (which is not much, if that's not obvious by now )

Thanks!
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Old 28th September 2015, 03:48 PM   #4
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Hello,

When we compare the sound of a tube preamp with output transformers and a tube preamp without output transformers, you would hear the difference easily. The sound of output transformer preamp is warmer, softer and more musical. Like the difference between tube power amp and solid state power amp.

Cheers,
Tony.

Quote:
Originally Posted by sebrof View Post
Hello Tony, thanks for the response.

I'm just looking for any information on it. I guess specifically about the transformer coupling - What transformers are in there, why did you choose that design vs. cap coupled (I assume that would be another more common design). What do the transformers do, exactly. That sort of thing.
The only info I have on it is what is written on the front and what I can deduce from looking at the underside (which is not much, if that's not obvious by now )

Thanks!
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Old 28th September 2015, 05:06 PM   #5
sebrof is offline sebrof  United States
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Join Date: Nov 2010
Location: Austin Texas USA
Quote:
Originally Posted by Musik007 View Post
Hello,

When we compare the sound of a tube preamp with output transformers and a tube preamp without output transformers, you would hear the difference easily. The sound of output transformer preamp is warmer, softer and more musical. Like the difference between tube power amp and solid state power amp.

Cheers,
Tony.
Thanks Tony. I can say for sure that this preamp does sound very nice. And exceptional workmanship also, it's a thing of beauty.
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