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RE: Driver tube suggetions for 300B amp

Have you seen actual curve traces of the TJ? The data they claim is identical to the printed data of the PX25 and the only curves I have ever seen are a direct copy of an original datasheet.

The Sophia Electric curves are the only actual traced curves I have seen and I have a hunch that they might be representative of all the PX25's.

This hunch also holds true for the WE 101 and 205 replicas. Never do you see actual traced curves, all that can be found is a cut and paste from the original data sheet which doesn't convince me of actual measured behavior.

dave

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