If you are not using the phono stage it will not make a difference. Save some money and ignore those tubes.
Tube rolling on MacIntosh C2300
I want to try out some new tubes on my C2300 preamp. I only have one source, a DAC/Streamer and do not have a turntable. The preamp has 6 tubes of which 4 are for phono (2 MM and 2MC). Should I change the phono tubes as well or since I am not using the phono stage, it will make no difference?
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I have a C2300 and highly recommend Amprex Medical Grade 12 ax7s, they are extremely pricey but ultra quiet, rugged and will last for years. I’ve had mine in for 4 years and my preamp is on literally 6-7 hours a day (as a passthru in my home theater system) and it sounds wonderful. I only use the medical tubes in the MC Phono stage and the Aux stage because I don’t have a MM TT. This is a great preamp that is smooth and sophisticated without the DAC on board, that is preferable to purists like me. I hope you continue to enjoy your C2300! |
I am an original owner of the C2200, which is similar to the C2300, and I have used various tubes over the years. The C2200 uses four 12AX7 and four 12AT7 tubes. I don't use the phono stage. I just recently contacted Brent Jessee (who is well respected on these forums) asking his advice for tubes for this preamp. He was very prompt in his reply to my email. I will be ordering from him this week. I suggest that you email him with your question. His website is loaded with information as well: https://www.audiotubes.com
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