09-04-2017, 03:55 PM
Ron
You are talking active loss resistances, not impedances. Heyboer did not observe it, theybuse thicker wire.As you might remember, from the Diverted's case, he was worrying about the same exact problem, his DC resistances were way lower which was explained by them using thicker wire, but the actual impedance is only determined by turns ratio, and can't really be derived from the DC ohms shown in the schematic. I have the turns ratio 13:1 which given the 8 ohms of the tweeters would present itself to the 6F6G interstage driver as 1,352 ohms of load. 6F6 wants to see 7K of load asa pentode, or 4K as a triode which I think it is the case here. 1.3K is too low.
You are talking active loss resistances, not impedances. Heyboer did not observe it, theybuse thicker wire.As you might remember, from the Diverted's case, he was worrying about the same exact problem, his DC resistances were way lower which was explained by them using thicker wire, but the actual impedance is only determined by turns ratio, and can't really be derived from the DC ohms shown in the schematic. I have the turns ratio 13:1 which given the 8 ohms of the tweeters would present itself to the 6F6G interstage driver as 1,352 ohms of load. 6F6 wants to see 7K of load asa pentode, or 4K as a triode which I think it is the case here. 1.3K is too low.
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