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Sunday, June 17, 2012

Making of a SE 6CB5A Amplifier: Assembly

Hi!

In this article, the assembly process of the SE 6CB5A amp will be shown.




First the metal plate which holds all the parts gets mounted in an assembly rig:




Here the caps, power transformer and tube sockets are already mounted. Some initial wiring to the power transformer and rectifier sockets is done:




Heater wiring to the signal tubes and some wiring to the caps:




Output transformers, two of the chokes and the resistors mounted and wired up:





The last missing pieces, interstage transformers and two more filter chokes:





Everything assembled and ready for the first measurements and listening test:




After measurements and listening test results are as expected, the power transformer cover can be mounted and the amp inserted into it's wooden frame:









Another shot taken in the dark, with the amp switched on:





The assembly of the matching line stage is almost finished and will be shown in an upcoming article.





Best regards

Thomas

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