03-10-2024, 04:51 PM
If you go down to downloadable files and click on spk zip you'll a listing of all Philco speakers pre 1937 and their specs.
Your set uses the H-13 so the voice coil/ output transformer secondary needs to be about 1 1/4 ohms. The plate load
is 5.9k.
Do note that when pentode tubes are connected in a triode configuration (plate and screen grid tied together) the plate load is much lower. Typically 6F6'sin penode mode will be about 12K.
Your set uses the H-13 so the voice coil/ output transformer secondary needs to be about 1 1/4 ohms. The plate load
is 5.9k.
Do note that when pentode tubes are connected in a triode configuration (plate and screen grid tied together) the plate load is much lower. Typically 6F6'sin penode mode will be about 12K.
When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!
Terry
