Quote:
Originally Posted by bandersen
Interesting article. It reminded me of the 3DR3 tube that has lead shielding to block x-rays.
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Don't forget the 3DS3 as well - it's the "preferred" type by my GE Tube manual. Probably higher current or HV rating. The rubberized lead shielding allowed the HV rectifier to be used without a cage in GE KE chassis sets and a few Sears-Simpson badged GEs as well. Your 3DR3 was probably used in Sears' 17 inch Color sets, as was the GEs. 3DS3 was used in the 19KD/KE chassis.
Cheers,