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Post by vanlifeson on Jun 23, 2020 16:32:23 GMT -5
Has anyone used 5749 tubes in a mark 3 receiver instead of the 6BA6? I have some NOS Sylvania Gold 5749’s. From what I see they are a direct replacement but, I wouldn’t want to blow the radio up LOL
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Post by tubefan on Jun 23, 2020 17:47:03 GMT -5
I use them in place of all my 6ba6. Great tube !!
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Post by 2600 on Jun 24, 2020 0:20:19 GMT -5
Type 5749 is the same tube, but tested to a higher standard. 6BA6 is the "consumer grade" tube, 5749 is the industrial/military grade of the exact, same specifications, higher reliability.
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