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Author Topic: Mercury PT wiring help  (Read 5355 times)
oldpicker
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« on: January 24, 2010, 12:51:04 AM »
I'm substituting A Mercury PT for the Ceriatone in my OTS build. Do I use the two green wires for the 3.15 leads? Are these wires 3.15 volts or still 6.3? Also so I ground the center tap (green/yellow wire)?
Thanks in advance.

http://i168.photobucket.com/albums/u187/oldpicker/Dumbleampclone002.jpg 

Dennis
« Last Edit: January 24, 2010, 12:56:36 AM by oldpicker » Logged
oldpicker
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« Reply #1 on: January 24, 2010, 03:09:22 AM »
I think I got it.  the green wires goe to filament supplying 3.15 volts each and the green/yellow to ground. Different labeling from Ceriatone through me for a sec.  Will continue on with probably more newbie questions later.

Thanks
Dennis
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Noaita
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« Reply #2 on: February 12, 2010, 01:52:03 AM »
Thanks for this post, Dennis.  I was going to ask this same thing.

Roger
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oldpicker
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« Reply #3 on: February 12, 2010, 02:46:01 AM »
Glad to indirectly be of help, Roger.  I live in Oklahoma and have been without power for two weeks due to ice storm. Really got behind on the amp but hope to pick it up this weekend again. I hope your buiild goes as smooth as mine has thus far.  There is  difinantly a bunch of knowledge in this forum. I have learned so much by just going back through previous posts several times.

thanks to everyone.

Dennis
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jayster2
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« Reply #4 on: March 15, 2010, 08:57:24 PM »
Oldpicker, I'm curious to know what effect/improvement the Mercury Magnetics Xfmr had on your OD.  Also, have you considered replacing the output transformer as well? Thanks - Jay
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oldpicker
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« Reply #5 on: March 15, 2010, 09:07:09 PM »
jayster2,  I just finished it this past week.  It was a new build so I only used the Mercury Magnetics xfmr for the build. I also used the Mercury OT and choke.  It sounds pretty good but am waiting on tubes and more burn in time.  The clean channel has a nice shimmering bell like tone. Simply beautiful to my ears. The overdrive is still a little rougher at this time and I am doing a little more dress detail and tweaking. It is improving all the time. I only have a few hours on it and am waiting before I do any cap changes etc.  I can allready tell it is a keeper.  Now to build a cabinet.
Good luck with your quest jayster2.

Dennis
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oldpicker
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« Reply #6 on: March 16, 2010, 08:40:00 PM »
Dress detail---  Just trying to clean up wiring and am now running wires on pin 3,6,8 on V1 and V2 closer together as I believe I have read it has a smoothing effect on overdrive. Is this correct?  I am really going after the smooth overdrive tones as compared to the Marshall  or Vox type of overdrive. Am also waiting on different preamp tubes. I have Tungsols  12 ax7's in V1 and V2 and a Groovetube gold 12ax7 in V3. Any recomendations welcome.

Thanks
 
Dennis
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