I've got a MM HD130 (tube PI) with one of the LM307s burned out -- the last one, right after each channel's volume. I know I can use just about any single opamp here, but I actually have some LM301AHs and some LF356Hs in TO-99 packages around. Which of these two would be better here? They're new-ish manufacture, probably no more than 5-6 years old.
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Music Man HD130 2275-130 - LM307 TO-99 opamp replacements
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