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Discussion in 'CB Radio Modifications' started by Tetra, Mar 15, 2012.
A word Caution
You can replace a 1969/2312/1307 with a MRF 477, BUT the Base/Emitter/Collector pin out is not the same.
Pins # 2 & 3 must be crossed, and insulated with a small pc of heat shrink to prevent them from shorting.
1306/1307 driver/finals are rare as hen`s teeth to find nowadays, they have not been made for a very long time.
the do need crossed...been so long since i fooled with trans...i like glass,tubes...73 de jw
Thanks again for everyone's input!