I'm hoping to upgrade and replace my 5751s. One RCA went bad and so have the GE Jan stock CJ tube in place now. The 6FQ7s are RCA Cleartops . The amp is a CJ PR12 with 5751 input tube and 2 6FQ7s as the driver. 12AX7? 12AU7? Thnx
Sorry to be opaque... Is there an equivalent tube to a 6FQ7 or a 5751 that would work in a CJ PR12 with the 5751 being the input tube and the 6FQ7 as the driver? 5751s seem to be scarce at Upscale Audio and thetubestore...thnx
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