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For cleans my LSS beats out my stock 75 Fender PR. No comparison.

I have have had two, and currently have one. Yes, I have found, based on the two that I have had they do in fact blow rectifier tubes very easily. The first one I bought, about a year and half ago, was new from a dealer. Within about 6 weeks, it blew four or five rectifiers, plus the fuses. I...

I simply switched to a Sovtek 5Y3 and the problem is solved, so far at least. I've had the amp about 2 months now and within 2 days of getting it (it was used, but less than a year old and the previous owner didn't use Mesa tubes in it) it blew the Mesa 5Y3. After speaking to the techs at the...

Are there accomanying photographs to demonstrate this mod?

When I decided to get another LSS, I was praying that I was not going to experience the same issue with the rectifier and fuses blowing after only hours or days of playing. My prayers went unanswered. So I went to the store where the amp was purchased, as they are also a Mesa authorized repair...

Amp builders are very concerned what their amps are made of. That is why the good ones tell you what's inside and out!! Yeah, I agree with what you are saying (writing). I just don't think that is still good justification to not get the amp that sounds good to YOUR ears. If the poster buys...

Amp builders are very concerned what their amps are made of. That is why the good ones tell you what's inside and out!!

Personally, I don't think there is ANY comparison between these two amps The LSC is leaps and bounds better in just about every regard, from components, to versatility, to tone. I tested out the Supersonic 22 as well, right around the same time that I was thinking of getting a Lonestar Special...

Try putting a Sovtek or other non-Mesa branded rectifier in it. The LSS has that problem with Mesa branded 5Y3 tubes. Sovtek solved the problem. That is not a 5y3 in the Classic, is it?

Yes, it does way a ton. Why not sell it or try to find someone to trade for a single 112 LSS. I have the 112, and at 59Lbs, I certainly wouldn't want the heft of the 212. Taking a speaker out will change the sound, alot, and not for the better.

And the Sovtek is still going.....

Try a Sovtek. They are robust. I know of at least 3 other LSS users who are all using their 5Y3. Mine has been in there about 3 weeks now and it's still going, and that is with fairly regular playing.

You're welcome. Enjoy that fabulous amp!

You must have an older Mesa branded 5Y3 as the the current 5Y3 is Chinese made.

That's an older amp, for sure. The serial number designation that is identified as being the end of the problem, was around 4400 and below. Above that, Mesa apparently fixed the problem. Lousy tubes are not Mesa's problem, but then they shouldn't be seeling lousy tubes with their name on...

If you call Mesa, they'll tell you the exact date that the amp was built.

I have LOTS of experience with this :lol: , regretfully! My advice is to not use a Mesa branded 5Y3, they are Chinese made, and according to a tech at a Mesa authorized service centre here in Toronto, they are junk. I've now got a Sovtek in mine. I mentioned to him that according to the Mesa...

So yours falls int the range where they were having issues, at least according to the theory. Have you used other brands of rectifier tubes and had the same problem?

Good question. Call them up and ask. I was never given a satisfactory answer.

You could also try the 112 Lonestar Special. In terms of wattage it is closer to the Supersonic, though the LSS is still a hefty amp, weighting at 59Lbs. I picked up my LSS about two weeks ago, it is the second one that I have had (the first one was returned to the store due to it constantly...