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

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Old 19th April 2010, 04:14 AM   #21
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Thanks, Kevin. The performance of this low-priced output transformer is quite good. Mark loves the sound of 6V6 on these output transformers.

The power output of vintage 45 power triode is approx. 2W at load resistance 4600 Ω. This 5K transformer can be used on 45.

Have fun on diy tube amplifiers!

Tony.

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Originally Posted by kevinkr View Post
Can't wait to get mine.. Even with shipping they appear to be a great deal, and with cans/covers too..

I am going to evaluate with 6BQ5 and may also umm try the 45 and see how that goes. (Should also be fine if leakage inductance is reasonable IMHO)

It's all fun... Most of my amp designs have proven hideously expensive to build, so this will be how much I can accomplish for how little spent..
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Old 19th April 2010, 05:07 AM   #22
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This is the EF95-6V6 single end amplifier which used these 5K output transformers.

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Old 9th May 2010, 04:06 PM   #23
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The steel covers for these output transformers just arrived. The dimension of the cover is 80x90x80H mm.
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File Type: jpg cover-4.jpg (810.1 KB, 368 views)
File Type: jpg cover-5.jpg (802.4 KB, 324 views)
File Type: jpg cover-7.jpg (811.3 KB, 310 views)

Last edited by Musik007; 9th May 2010 at 04:10 PM.
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Old 9th May 2010, 04:37 PM   #24
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The steel covers and the output transformers.
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File Type: jpg cover-1.jpg (815.5 KB, 51 views)
File Type: jpg cover-2.jpg (817.2 KB, 43 views)
File Type: jpg cover-3.jpg (782.2 KB, 64 views)
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Old 9th May 2010, 08:08 PM   #25
kevinkr is offline kevinkr  United States
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Cool, can't wait to get my hands on them.. These are most probably destined for a small 45 based amplifier, although I might conceivably do something with a pair of Tele 6BQ5 I have knocking around the place.
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Old 10th May 2010, 01:54 AM   #26
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Hi Kevin,

The above pair transformers and covers are for you. I already packed and will send to you today.

Thanks.
Tony.

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Originally Posted by kevinkr View Post
Cool, can't wait to get my hands on them.. These are most probably destined for a small 45 based amplifier, although I might conceivably do something with a pair of Tele 6BQ5 I have knocking around the place.
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Old 10th May 2010, 03:41 PM   #27
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Hi Kevin,

Your output transformers were sent via air parcel service by HK post office. This is the packing. The fine carton box is originally for Alpair 7 drivers.
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Old 10th May 2010, 05:50 PM   #28
kevinkr is offline kevinkr  United States
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Hi Tony,
I had a mod remove the pictures because included in one of those was my home address which I never want published on the web. No harm done.

Everything looked well packed.. You can send documentation to my email address in the future - it's a lot safer..

Thanks, Kevin
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Old 11th May 2010, 01:36 AM   #29
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Hi Kevin,

That's OK. No worry, you can also ask me to modify the photos, I can do that.

Thanks.
Tony.

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Originally Posted by kevinkr View Post
Hi Tony,
I had a mod remove the pictures because included in one of those was my home address which I never want published on the web. No harm done.

Everything looked well packed.. You can send documentation to my email address in the future - it's a lot safer..

Thanks, Kevin
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Old 11th May 2010, 03:48 PM   #30
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The 5K single end output transformers are available now.
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File Type: jpg 5KSE-7.jpg (803.5 KB, 64 views)
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