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Audio and Video Talk
Valves / Vacuum Tubes
Beginner valve amplifier
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<blockquote data-quote="Timber_MG" data-source="post: 500186" data-attributes="member: 18"><p>The little Oddwatt based 5F5P is a class A, but how its distortion character is I'd have to dig a bit more deeply. It uses a LM317 for a constant current source and I know Ampdog had one reservation about the distortion characteristic, but of what nature the distortion would be is probably more interesting. I know that the output section of that pentode when strapped for triode operation is akin to a 75% derrated 2A3.</p><p></p><p>I hope to get more time with John's EL84 SET and evaluate with sensitivities north of 110dB. 10dB is not a small difference.</p></blockquote><p></p>
[QUOTE="Timber_MG, post: 500186, member: 18"] The little Oddwatt based 5F5P is a class A, but how its distortion character is I'd have to dig a bit more deeply. It uses a LM317 for a constant current source and I know Ampdog had one reservation about the distortion characteristic, but of what nature the distortion would be is probably more interesting. I know that the output section of that pentode when strapped for triode operation is akin to a 75% derrated 2A3. I hope to get more time with John's EL84 SET and evaluate with sensitivities north of 110dB. 10dB is not a small difference. [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
Beginner valve amplifier
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