12SC7 as a phase splitter? - diyAudio
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Old 18th December 2016, 09:25 PM   #1
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Default 12SC7 as a phase splitter?

I have a bunch of 12SC7's and was wondering if I could use it as a long tail phase splitter?
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Old 18th December 2016, 10:01 PM   #2
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You can, but you are dealing with high RP/low gm triodes. Directly driving full pentode mode "finals" should be OK. However, don't try to directly drive anything with a substantial CMiller.

Another "gotcha" with low gm is poor resistance to slew limiting induced by a loop NFB HF error correction signal.
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