Good friends, I am from China

[liangw]

I engaged in tube audio amplifier research and development for more than 20 years, now at home for friends has made some high quality of the output transformer
Now the speaker equipment as follows ALTEC415A and 808 with 511 horn

 

[liangw]

The output transformer in the A5 test

 

[planet10]

Welcome to the forum.

dave

 

[multi]

Wonderful speakers; i have similar with Altec 515 and JBL 2452 compression drivers .
what output tubes do you use? I use Chinese made 572b's push pull, just making Pp 2A3 using Chinese made output transformers and power transformers.
Phil

 

[liangw]

Wonderful speakers; i have similar with Altec 515 and JBL 2452 compression drivers .
what output tubes do you use? I use Chinese made 572b's push pull, just making Pp 2A3 using Chinese made output transformers and power transformers.
Phil

I am using KT88 push-pull machine
Your amplifier is a little problem
The performance of speaker play not to come out

 

[multi]

Do You make the boxes yourself? very good.
Phil

 

[Cal Weldon]

Very nice set-up. I too am an Altec fan.

 

[KatieandDad]

Wow, and I thought real estate was short in China.

Let me bow to the next emporer.

Welcome to the forum.

 

[angeloPB]

What about the TTSF?
(Tai Tai Acceptance Factor)
🙂