07-31-2017, 05:52 PM
Welcome to the Phorum!
I'll let one of the others answer the 450 vs 500 v question.
I've not worked on a 38-9 so don't quite know what the gromments you are asking about look like but the best place for rubber replacement parts is RenovatedRadios. The Philco rubber parts are located at this LINK.
![Icon_wave Icon_wave](https://philcoradio.com/phorum/images/smilies/icon_wave.gif)
I'll let one of the others answer the 450 vs 500 v question.
I've not worked on a 38-9 so don't quite know what the gromments you are asking about look like but the best place for rubber replacement parts is RenovatedRadios. The Philco rubber parts are located at this LINK.