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Philco model 70? - Mikeym53 - 01-04-2021

                            I recently purchased a model 70, or what I thought was a 70. This is the earlier type with the dual volume control. What is different is that the tone switch is mounted on the back of the chassis and there is a two position band switch in the front. There are 10 wires on the switch and it is a two position. Is this a different model, or a modified model 70? The cabinet looks like a 70 model. I have restored several model 70 Philcos and I have never seen one like this.

RE: Philco model 70? - Radioroslyn - 01-04-2021

The sw on the back looks to the tone control. And up front is some sort of switching for the oscillator circuit.

RE: Philco model 70? - morzh - 01-04-2021

It has to be a home-brew added band thing.

RE: Philco model 70? - Brad Winder - 01-06-2021

Could it possibly be a 70 chassis made to pair with the model 4 SW converter? I'm assuming the 70s and 90s that came with the SW converter built into the same cabinet would have a few differences in the chassis?

RE: Philco model 70? - radiorich - 01-06-2021

Hello Gentlemen,
wow that is a odd duck!
Sincerely Rich

RE: Philco model 70? - Mikeym53 - 01-06-2021

Hi everyone. Thanks for your responses. I decided to check for shorts B+ to ground and center tap. All ok. I brought it up slow on the variac. I wanted to see if it had standard broadcast. One of the positions is broadcast. The radio needs a good recap and going through. I didn't find any thing on the other position of that band switch. The radio played poorly, no suprise there. I did this because I didn't want to restore it and then find out it had been changed to long wave or something else. I will get this set fixed and then I can see what is on the other band, if anything.
Mike