YellowJacket
Well-known member
Hi Everyone,
I just sold my Rev F Blackface Dual Rectifier and it was running fine when it was shipped. Furthermore, I have a clean bill of health from a very capable tech as of a year ago. I wasn't having any problems before shipping the amp and I've really never had any issues at all beyond minor tube problems. I usually hear when something is amiss and switch it before there are any real problems. So, I got an email from the buyer today and I found it to be somewhat surprising. I offered advice to him but I am curious about what you guys think as well. Here is a copy of the email:
I told him to pull the amp from the chassis and inspect it. If there are no signs of problems with screen resistors, filter caps, or burn marks on the PCB, I told him to remove the rectifier tubes and run the amp on the silicon diodes. Replace the fuse.
Power it up and see if it makes noise.
I said to check v1 for the 'weak distortion' problem since it may just be that I abused my v1 preamp tube too much with OD pedals haha.
I also said to roll power tubes to see if the amp starts running better. I haven't really ran the Dual Recto hard in a decade but even if the amp was in good shape, the transport can induce vibration or impact which can damage the tubes.
I also advised he call Mesa. Just gotta check everything after trusting your amp to a courier haha.
I just sold my Rev F Blackface Dual Rectifier and it was running fine when it was shipped. Furthermore, I have a clean bill of health from a very capable tech as of a year ago. I wasn't having any problems before shipping the amp and I've really never had any issues at all beyond minor tube problems. I usually hear when something is amiss and switch it before there are any real problems. So, I got an email from the buyer today and I found it to be somewhat surprising. I offered advice to him but I am curious about what you guys think as well. Here is a copy of the email:
so I got the amp and am having some issues. Everything arrived ok and it looks great. However the rectifier tubes were loose, just rattling around in the head. So, I put them back in place and started up the up. The other tubes all lit up but not the rectifier tubes, there was no glow or warmth from them. It sounded like there was a lack of gain also but I can’t really judge this as I have nothing to compare to. After messing around a bit I heard a loud pop and the amp turned off. I think it blew a fuse because it won’t power on now. I don’t know too much about tube amp repair etc so I just wanted to see if you have any advice.
I told him to pull the amp from the chassis and inspect it. If there are no signs of problems with screen resistors, filter caps, or burn marks on the PCB, I told him to remove the rectifier tubes and run the amp on the silicon diodes. Replace the fuse.
Power it up and see if it makes noise.
I said to check v1 for the 'weak distortion' problem since it may just be that I abused my v1 preamp tube too much with OD pedals haha.
I also said to roll power tubes to see if the amp starts running better. I haven't really ran the Dual Recto hard in a decade but even if the amp was in good shape, the transport can induce vibration or impact which can damage the tubes.
I also advised he call Mesa. Just gotta check everything after trusting your amp to a courier haha.