Ceasar II 300B SE mono block upgrade Part #2 - diyAudio
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Ceasar II 300B SE mono block upgrade Part #2

Posted 24th July 2012 at 06:01 PM by dvb projekt
Updated 21st October 2012 at 01:03 PM by dvb projekt (Review added)

A short quick upgrade for my Ceasar II Mono´s
to push the sq to the limit...



In the meantime...

As you could see in the Upgrade Part #1, the printing of the Sophia Electric Royal Princess 300B
is 90 degrees different to the Emission Labs 300B-XLS.

Not a big thing, but it´s not looking good!


Unfortunately i have only two holes for the Tube-Socket. Therefore i made two small adapter to rotate the Tube-Socket.

Click the image to open in full size.

Click the image to open in full size.

Now the printing faces to the front!

Click the image to open in full size.

Perfect!



2nd Upgrade


The three grid stopper resistors will be changed from AUDIO NOTE™ 2 Watt Tantalum to Texas Components TX2575 naked Z-Foil.

Click the image to open in full size.


Click the image to open in full size.

After hours of burn in i must say, that there is a marginal sound difference between the 2W Tantalum and the TX2575, as expected to be honest...

Never mind... I will reinstall the Tantalums and try the TX2575 as Rk (R4 - 750R) in the MU-Stage.

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