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No More Hiss W/ New 12ax7 Tubes.

hiss tube valve noise 12ax7 replace

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#1 bribrew1968

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Posted 12 June 2013 - 10:23 AM

DT50 212 --- amp went out on me after about 2 months, a quick gurgle as tubes burned out ... then nothing. Thusly, I looked at the tubes ... the EL's were glowing bright, 12AX7's were out. Went to Guitar Ctr and after being assured they'd work, I got the Groove Tube russian brand. I would avoid chinese brands also. Russian just seems better sounding to me. Easy to replace and took about 1 minute of careful pressure to install.  Unplug too ... duh?!  LOL. 

 

I immediately noticed that the factory 'hiss' was nearly gone (like 90%), and the sound was more colorful. I looked online and noticed the EH stock brand was much cheaper than the GT brand.

 

As well, each topology was more defined.  3 and 4 are now my fav's.  Wonder how the sound will be if I replace the EL's with a high quality brand?

 

Bribrew


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Bribrew1968

 

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2004 American Les Paul

1996 American Stratocaster Plus

2011 HD500 > 2013 DT50 212


#2 toneman2121

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Posted 13 June 2013 - 05:21 AM

http://www.thetubest...AX7-Tube-Review


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#3 bribrew1968

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Posted 13 June 2013 - 07:35 AM

http://www.audioasyl...bes/172557.html

 

Found this too.  Still stunned by the quietness of this amp now (until I hit the strings LOL).  Mullard tubes seem to be the name everyone likes though.  I am impressed and just got a major education on pre amp tubes.

 

My DT50 212 sounds like a symphony ... of destruction ... LOL.


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Bribrew1968

 

XBL: AntiHero

 

2004 American Les Paul

1996 American Stratocaster Plus

2011 HD500 > 2013 DT50 212


#4 toneman2121

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Posted 13 June 2013 - 11:56 AM

that site also has reviews of other tubes, 6L6,el34, etc,  http://www.thetubest...Product-Reviews


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