Philips EL6411

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Mars

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I have this 1950's PA amplifier that have been waiting to be used for something. I've decided to change it to a stereo hifi amplifier to test my latest C-core output transformers. I took some photos before I stripped the amplifier.

I do not have photos of the amplifier outside. This I got from the 'Net

6411.jpg

4505616961_ac7acea17b_m.jpg


The inside is very beautiful:
IMG_6271.JPG

IMG_6270.JPG


Microphone inputs
IMG_6273.JPG


Here is the bias supply
IMG_6274.JPG


ECC40 gain stage
IMG_6275.JPG


More of the same with the phase splitter in the foreground
IMG_6276.JPG


The EF86's have been removed. A shot of the power supply arrangement:
IMG_6277.JPG


Power amplifier coupling caps and grid leak arrangement
IMG_6278.JPG


That's it folks!





 
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