It could be something other. These guys know way more than me but I am going with bad OT now. Its the most likely scenario. I had an OT go that sounded exactly like this. I had one go that was much worse and just gave me noise.SoldanoFan":3spkk7zq said:
No.SoldanoFan":3lq800b8 said:
duesentrieb":uc1lahff said:
Gary..... I'm going with the guys who know what the fuck they're talking about.glip22":htsweead said:
LP Freak":3l4osgux said:Gary..... I'm going with the guys who know what the fuck they're talking about.glip22":3l4osgux said:
They know much more than I for sure. If the bad sound stayed that way and didn't fade out I would say OT for sure but the fact it fades out gives me doubts and points more toward a bad relay, cold joint, etc..
Sounds like it experienced a possible catastrophic failure at the rectifier, which then damaged the PT. That's a common failure. The best place for the HT fuse is before the rectifier, and in series with power transformer HT secondary... This puts the fuse in the AC part of the circuit, which is where the fuse belongs in the first place. This is of-course assuming that the Framus amps are designed with an (after the rectifier) fuse circuit?mightywarlock":17jpp47p said:I'll have some answers soon for sure.
One thing i forgot to mention, is that the previous owner said he only played 4 shows with this amp, and the 4th show, blew a fuse, which took out the Power Transformer, so he spent a bit to get one from Germany and had that replaced. Perhaps they screwed up putting it back in and the amps not getting enough power?!
Decided to bring this Cobra (sick) a 5150 (noisy), and my VH4 (for updating) to Jens, who lives not too far from me...
He should be able to solve everything easily!
SoldanoFan":1gigw6c7 said:Sounds like it experienced a possible catastrophic failure at the rectifier, which then damaged the PT. That's a common failure. The best place for the HT fuse is before the rectifier, and in series with power transformer HT secondary... This puts the fuse in the AC part of the circuit, which is where the fuse belongs in the first place. This is of-course assuming that the Framus amps are designed with an (after the rectifier) fuse circuit?mightywarlock":1gigw6c7 said:I'll have some answers soon for sure.
One thing i forgot to mention, is that the previous owner said he only played 4 shows with this amp, and the 4th show, blew a fuse, which took out the Power Transformer, so he spent a bit to get one from Germany and had that replaced. Perhaps they screwed up putting it back in and the amps not getting enough power?!
Decided to bring this Cobra (sick) a 5150 (noisy), and my VH4 (for updating) to Jens, who lives not too far from me...
He should be able to solve everything easily!
Don't mess around inside the amp unless you known without a doubt what you're doing... 1/5th of 1 amp is enough to kill! Take it to a qualified tech.
my 6505 did the same thing sounded like a bad connection, loose solder joint..etc... .. took to my tech and he said something about circuit damage.. didnt really get into much detail.. but i will find out here in a couple days when i go and pick it up... ill ask him what was wrong, have him give me good details and what he did to fix it...jerrydyer":26n63cm6 said:
Yeah, this was my guess also, I had a problem where the sound would fade out and then shortly return when standby was switched back an forth and it was a cold solder joint in the rectifier diodes.TrueTone500":mbi9ayu0 said:Rectifier diode maybe? Those are tricky to test...
right onmightywarlock":1tc2nrot said:
How does it stack up against your other amps that you own or owned such as your modded marshalls ?mightywarlock":2u0kkpwl said:
