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

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Old 16th April 2010, 12:11 PM   #21
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Thnks, I have a pair of 6n3C, it is a military 5881 with very good sound. and some old 6SJ7 and 5U4G. I will try them.
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Old 16th April 2010, 05:42 PM   #22
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Quote:
Originally Posted by AlejandroR View Post
Thnks, I have a pair of 6n3C, it is a military 5881 with very good sound. and some old 6SJ7 and 5U4G. I will try them.
6n3C is Russia tube with nice sound and low price.
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Old 17th April 2010, 05:48 PM   #23
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Hi Alejandro,

Your amplifier was sent out in this afternoon. Thank you.

Tony.

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Old 17th April 2010, 06:16 PM   #24
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Great!
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Old 19th April 2010, 02:27 AM   #25
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Hi Alejandro,

The tracking number of DHL is 654977 9784.

Thanks.
Tony.
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Old 28th April 2010, 02:07 AM   #26
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I have received the amplifier last friday. I have been using it since then, and comparing with my other amplifiers. The sound is realy surprising for the price (even for the normal price). I am using it with my Coral Flat5 TQWT speakers.
Bass is very good, even compared with my push-pull Ideal-Innovations amp. Compared with my reference amp, the Tatic Audio 6B4G, it is not as transparent but very close. Atack and decay in piano notes is very close to real. And considering the 3.5 watts of the 6B4G, having 6-7 watts makes a difference with 91 db speakers.
Very good job Thomas and Tony!!

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Old 28th April 2010, 02:42 AM   #27
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The amp with new tubes 6n3c and 5U4GB. I hope to have the metal 6sj7 next weekend

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Old 28th April 2010, 10:50 AM   #28
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Hi Alejandro,

I'm very glad to know you received the 6L6 amplifier and you are satisfied with its performance. Thanks very much for your comments. We are serious to make every amplifier. I'm surprised that the sound of our 6L6 SE is close to your 6B4G SE. 6B4G is directly heated power triode and its ratings and characteristics are similar to those of the 2A3 or 6A3. 6L6/6L6GC is indirectly heated power pentode. Can you show a photo of your 6B4G amp for sharing?

Metal 6SJ7 is one of the good choice for the input stage of this amplifier. Recommend to try other 6L6m like RCA ST shaped 6L6 in smoked glass, and other recifiers like 5U4G, 5R4G, 5Z4, GZ34, 5AR4, U52.... You may listen the difference when changed those tubes. Cheers!

Thank you.
Tony.
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Old 28th April 2010, 12:16 PM   #29
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Tony, I think a key here is the speakers. 91dB is not enought for a 6B4G and the dynamic provided by two times the power is evident. The 6B4G is my reference in terms of transparnce and mids. I will put a picture during the day
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Old 28th April 2010, 02:02 PM   #30
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Tony you can look at the Tatic Audio 6B4G here. Tatic Audio
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