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89B cannot tune lower (550-1300) stations.
#9

Another thing, try lowering the value of the cathode resistor, item 10 I believe, from 15K to 10K or even 7500 ohm.

Steve

M R Radios   C M Tubes


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RE: 89B cannot tune lower (550-1300) stations. - by Steve Davis - 08-16-2021, 12:32 PM



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