What tubes share the pinout with the 5687? - diyAudio
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Old 26th September 2006, 04:44 AM   #1
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Default What tubes share the pinout with the 5687?

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Old 26th September 2006, 04:55 AM   #2
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TDSL brought up a few...

6900
7044
7370
7892
cv2578
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Old 27th September 2006, 04:24 AM   #3
jlsem is offline jlsem  United States
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7119 (excellent)
7062

John
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Old 27th September 2006, 04:10 PM   #4
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The 7119 is a wonderful tube. It is often considered as a 5687 cousin, but its plates (and therefore its grids and cathodes) are much, much larger. This prompted me to use them in the output stage of a headphone amp (Class A, PP, with OPT). They sound very neutral in this role.
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Old 28th September 2006, 03:20 AM   #5
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I think you can also use the ECC99.

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