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6V6s Ok in a 112 RD50

AuthorMessage
 

Bob
Posted on Wednesday, July 13, 2005 - 12:48 pm:   

Will this work to get a lower volume or a bad idea?
Steve Kennedy (admin)
Posted on Saturday, July 23, 2005 - 06:13 pm:   

Not a good idea! This tube is usually used in an amplifier with no more than about 450 Vdc on the plates.

You plug these into a Music Man with more than 700Vdc plate voltage and you will arc-over, blow tubes, pop a fuse and perhaps put your amp in jeopardy!

You need to use the original 6L6 tubes to have any chance of tube survival in your Music Man amp.

Steve

Mike H
Posted on Saturday, October 22, 2005 - 06:33 pm:   

I also have an RD50. These amps are different than the other MM amps. They do not have 700 volts on the plates; however, they do have about 450-500 volts, as I recall, which is atill a lot for 6V6 tubes. Also, since these amps have fixed bias, this would further complicate the issue of swapping tubes. So, I agree, stay with the 6L6. Just my $.02.
Steve Kennedy (admin)
Username: admin

Registered: 03-2002
Posted on Friday, December 30, 2005 - 06:23 pm:   

Yes, the RD50 amps "only" have a 585Vdc plate voltage! This is still way too high for safely using a 6V6!

Steve