Physical differences between Einstein Head 50w and 100w

[cubico]

Hi all!

What are the prysical differences between two heads??

Somewhere indicates the watts with a sticker or something similar??

Thanks to all

 

[Peter Diezel]

Serial number starting with 002/ is 50 watt, 2 power tubes.
Serial number starting with 003/ is 100 watt, 4 power tubes.

 

[cubico]

Thank you very much Peter. Your speed, responsiveness and accuracy makes them different from others

 

[Peter Diezel]