Quote:
Originally Posted by fixmeplease
Ive done a few of these 90V but the filament was 1.5v. Anyway I use 60 AA batteries for 90V power. I have soldered in connections for 45V too for other radios. I doubt the AA's cost much more than the 9V ones but you have to solder holders together and yes more time involved. About every 3 years +/- 1 they need replacing if they are a good brand.
I like the sound of the battery radios. They dont have much static type sounds as they arent hooked to your homes power supply. If your fortunate enough to have a long wire antenna that will increase the sound too. My outdoor antenna is about 90 feet long.
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Reminds me of what I did in the mid-50's. I would dig through the trash bin behind the TV shop for battery packs for a Zenith TO or similar. The "A" side was usually dead, but the "B" side was good for about 75 or so volts.
That side was usually sealed in tar and lasted quite a while.
