I use 5751s in place of 12AX7's in the BC SET40. The 5751's has a little less gain and lower distortion.
Try and find some RCA triple mica 5751's. These are the best sounding 5751's I have found. They are hard to find, but worth the effort.
mike
Try and find some RCA triple mica 5751's. These are the best sounding 5751's I have found. They are hard to find, but worth the effort.
mike