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Tubes for Modulus 3A

I took delivery of a used Modulus 3a today. I have a Modulus 3 which will go to my second system upstairs. I am not happy with the sound of this preamp, it sounds a bit thin, not much bass. I replaced the tubes with new Sovtek 6922's, but I am still not there yet.

I don't want NOS tubes and want to keep the price low and I also don't want tubes that will die in a few months. Recommendations please? I want more bass!!!
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Showing 1 response by elevick

elevick
2,636 posts
 
That's one tube I NEVER skimp on. Manufacturers used the 6922 because of its quality compared to a 12ax7 and such. Good 6922 can make or break a system. You don't need to break the bank but $100 pair is well worth it, amperex, mullard or such. I actually like Golden Dragons if you can find them.
Keep in mind that 6922's will last up to 10,000 hours. Much longer than other types.
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