philips: 2499;

Hello,

I recently bought a Philips 2499 "do-it-yourself" kit radio from approx. 1928. Unfortunately the radio was modified with 2x KC1, B405 and PP415. I want to restore the radio to it's original state, with tubes A425 / A409 / B405. But on a Polish site I found a similar radio with the name "Philips Trójka" and tubes A425 / A415 / B443. The cabinet is the same as the 2499, but two small knobs are added on the front. Does someone know this "Philips Trójka" ? I think it is the Philips 2500, but I am not sure, or is it also a Philips 2499 ?

The picture of the "Philips Trójka" is taken from the site: http://www.historiaradia.neostrada.pl 

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