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Title: Mercury PT wiring help Post by: oldpicker 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 Title: Re: Mercury PT wiring help Post by: oldpicker 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 Title: Re: Mercury PT wiring help Post by: Noaita on February 12, 2010, 01:52:03 AM Thanks for this post, Dennis. I was going to ask this same thing.
Roger Title: Re: Mercury PT wiring help Post by: oldpicker 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 Title: Re: Mercury PT wiring help Post by: jayster2 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
Title: Re: Mercury PT wiring help Post by: oldpicker 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 Title: Re: Mercury PT wiring help Post by: oldpicker 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 |