jazzmaster project help?

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SurfGuitar101 Forums » Gear »

jazzmaster project help?

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gui_SURF_tar Joined: May 04, 2010 Posts: 175 norway	Posted on Jan 19 2012 02:10 PM hi guys i have bought a body from mjt and is about to start my build not all the parts are here but im in the planning fase.. so i was looking at the body shielding and im woundering how to shield the tremole or bridge.. ther is no routing between the cavity to the trem cavity nor to the bridge holes how do i shield this thing? this is my firs build and i dont know what im doing ] Top
midwestsurfer Joined: Aug 09, 2007 Posts: 308 Indianapolis	Posted on Jan 19 2012 03:11 PM No shielding in the trem cavity, just in the pickup/control cavities, like this one: http://www.ebay.com/itm/Vintage-62-RI-USA-Fender-Jazzmaster-BODY-1962-Guitar-68-OFF-/200604340530?pt=Guitar_Accessories&hash=item2eb4f35132 — -Nick Gypsy Moonshine on Reverbnation Gypsy Moonshine on Facebook Top
gui_SURF_tar Joined: May 04, 2010 Posts: 175 norway	Posted on Jan 19 2012 03:16 PM hi ok thanks i just started routing the other body cavitys with copperfoil but do i need to run a wire to the bridgebase or trem? there is no holes or routing for this wire? Top
RK Joined: Sep 25, 2009 Posts: 127 Montreal, Kwee-bec	Posted on Jan 20 2012 07:30 AM I would suggest you find a way to connect the bridge or trem to ground. Perhaps a small hole to the bridge for a wire that would contact one of the posts would probably be good enough, and easier than drilling all the way to the trem. The shielding around the pickups only might be good enough, but it's probably easier play safe now than fix it later. I looked up the shielding of the original Jazzmaster and it had a metal pickguard that made contact with the bridge posts. — RK Top
AnalogSurf Joined: Aug 12, 2011 Posts: 133	Posted on Jan 20 2012 01:09 PM I just finished up My Home made Jaguar project. I drilled a hole from the Right Thimble to the main Cavity on an angle. Ran a wire from the thimble hole into the main ground connection. This is more than enough to ground the Bridge and strings. There is no need to ground the Tremelo nor shield this cavity, Infact you could run into multiple grounding paths if you did ground the Tremelo. Hope this Helps Pete Analog-Surf Last edited: Jan 20, 2012 13:10:36 Top
Dane_Brammage Joined: Jun 14, 2006 Posts: 203	Posted on Jan 21 2012 01:24 AM The way Fender supposedly did it 'way back when' was to put a piece of unwound guitar string in the bridge thimble hole before pressing in the thimbles. Then when the pickguard is installed, the string makes contact with the metal pickguard (or shielding on a plastic guard), which should already be grounded. Have a look at this link and scroll down to the bottom. You can see the bit of string poking out from under the lower thimble and the spot on the underside of the pickguard where the anodizing has been sanded off to make sure it makes electrical contact. Top
AnalogSurf Joined: Aug 12, 2011 Posts: 133	Posted on Jan 21 2012 07:48 AM Dane_Brammage wrote: The way Fender supposedly did it 'way back when' was to put a piece of unwound guitar string in the bridge thimble hole before pressing in the thimbles. Then when the pickguard is installed, the string makes contact with the metal pickguard (or shielding on a plastic guard), which should already be grounded. Have a look at this link and scroll down to the bottom. You can see the bit of string poking out from under the lower thimble and the spot on the underside of the pickguard where the anodizing has been sanded off to make sure it makes electrical contact. That would work too ! Seems Fender kept it simple ... I think people over think the grounding...Its basically 1 wire from the bridge to ground. Ive had to repair a guitar A guy let me look at because he had the Tremolo and bridge grounded...The issue was everything was rusty and the bridge did not make a good connection but the trem did work. You played the guitar and moved the trem and you would get dead string. I told him 1 ground point for the strings. Also this rusty Vintage theme is causing more problems than its worth ! I used a #10 guitar string for the Buss switch connection on my jaguar because it was straight and east to solder too! There steel and make a good connection... Pete Analog-Surf Last edited: Jan 21, 2012 07:52:38 Top
psychonaut Joined: Dec 08, 2007 Posts: 1305	Posted on Jan 21 2012 07:59 AM Dane_Brammage wrote: The way Fender supposedly did it 'way back when' was to put a piece of unwound guitar string in the bridge thimble hole before pressing in the thimbles. Then when the pickguard is installed, the string makes contact with the metal pickguard (or shielding on a plastic guard), which should already be grounded. That's exactly how my '64 Mustang is grounded. — https://www.facebook.com/coffindagger http://coffindaggers.com/ http://thecoffindaggers.bandcamp.com Last edited: Jan 21, 2012 07:59:47 Top
gui_SURF_tar Joined: May 04, 2010 Posts: 175 norway	Posted on Jan 21 2012 12:34 PM thanks guys i think i got it. started the copper shielding it aint pretty but i hope it will work good, i also shielded the back of the pickguard with copper foil. cant wait to get this thing together!! think there will be more questions down the road thoug! this is a great place thanks again oh one moore thing i bought a mustang bridge and jazzmaster body thimbles is there supposed to be allot of "room" in the thimbles? i feel ther might be to big of a difference between the iside thimble diameter and the outside diameter of bridge post? Last edited: Jan 21, 2012 12:39:58 Top
vintagesurfdude Joined: Nov 28, 2011 Posts: 795 Prescott Valley, AZ	Posted on Jan 21 2012 05:40 PM Project looks great!! I'm anxious to see it finished. with regard to bridge , I used a Mustang bridge on my project as well and there is a lot of "wiggle room, I'm told this is so the bridge can "float" when the trem is used. Top
diceophonic Joined: May 20, 2006 Posts: 2174 PacNW (Vancouver, Wa U.S.A.)	Posted on Jan 21 2012 06:01 PM I did 3 Jazzmaster builds back in 07, 08' ground and shielding is going to help without it you gonna be hummin' ground to tremelo and ground to bridge. Cheers Kyle — -Kyle Beyond The Surf YouTube channel Beyond The Surf Instagram The Verbtones @ Instagram The Verbtones @ Facebook The Verbtones @ bandcamp Top
Goofyfootinmouth Joined: Apr 09, 2011 Posts: 82	Posted on Jan 21 2012 06:12 PM I had my guitar tech wrap the posts of my mustang bridge that I bought for my Japanese Jaguar. Now it doesn't rock like my other Jaguar that has the traditional hardware. You have to give it a good push to rock it with the traditional hardware. It sort of floats in there. I have a MJT parts Jazzmaster waiting for a decision on pots, pickups, and caps myself. Maybe I did not understand your question. After I purchased mine and I was ordering parts I asked MJT if the body was based on a Fender 62 or on the Japanese bodies. They could not answer that question for me. I have not trial dressed the body yet. I don't know if my mustang bridge will fit properly in the thimble slots at this time. By this I mean if I have a japanese bridge and a American scale hole spacing that the bridge will properly span that gap. Last edited: Jan 21, 2012 21:16:06 Top
gui_SURF_tar Joined: May 04, 2010 Posts: 175 norway	Posted on Jan 22 2012 04:32 AM ok i guess its supposed to rock a little with the tremolo use! i will check on my xaviere for reference... nice builds diceophonic!! how did you shield ground the trem? im am about to wire in the seymour duncan antiquity 11 pickups next! do they go in either way? or is the neck pickup go with the wires up to the rythm cavity and the bridge pickup wires down to the pickup selector cavity? like so or do they go the same way? Top
Martini24x7 Joined: Dec 08, 2008 Posts: 38 Upstate, NY	Posted on Jan 22 2012 06:50 AM The thimble hole sizes on a Japanese bridge are slightly larger than a US thimble. I just got done putting a Mastery bridge on my Jazzmaster (it was made from body parts from USACG). The Mastery came with bridge posts for both size thimbles. Check out their site, it may give the measurements there. The original bridge did have a lot of slop and rocked back and forth. There is no slop at all with a Mastery, so you get a lot more sustain and more stable tuning. Cool looking build so far! Top
diceophonic Joined: May 20, 2006 Posts: 2174 PacNW (Vancouver, Wa U.S.A.)	Posted on Jan 22 2012 01:56 PM Jazzmaster wiring diagram — -Kyle Beyond The Surf YouTube channel Beyond The Surf Instagram The Verbtones @ Instagram The Verbtones @ Facebook The Verbtones @ bandcamp Top
diceophonic Joined: May 20, 2006 Posts: 2174 PacNW (Vancouver, Wa U.S.A.)	Posted on Jan 22 2012 02:03 PM I did the exact same thing used shielding tape for the cavity but... I also drilled a small entry from the main cavity to the trem cavity for the ground wire, you may also want to run a ground wire to one of the thimble holes the pickguard will hide this ground wire this will help eliminate hum when your hands are not touching the strings. Cheers Kyle — -Kyle Beyond The Surf YouTube channel Beyond The Surf Instagram The Verbtones @ Instagram The Verbtones @ Facebook The Verbtones @ bandcamp Top
gui_SURF_tar Joined: May 04, 2010 Posts: 175 norway	Posted on Jan 22 2012 02:23 PM thanks diceophonic i have now put a guitar string from one thimble to pickguar/cavity shield... the trem has not showed up yet but i will ground it aswell... pickups are soldered in and all pots and switches works good... still a little hum thoug! goes away when thouching bridge? did you get your projects completly hum free or will you always have some hum/noise with jazzmasters? Last edited: Jan 22, 2012 14:24:33 Top
Martini24x7 Joined: Dec 08, 2008 Posts: 38 Upstate, NY	Posted on Jan 22 2012 04:54 PM I have SD Vintage pickups in my build. I have a little single coil hum, but it is dead quiet when both pickups are on. I followed the same SD diagram that someone else posted and I have ground wire underneath the trem to ground it there around one of the screws. You can get them pretty quiet if you shield the cavity and back of the pickguard like you've done already. Top
diceophonic Joined: May 20, 2006 Posts: 2174 PacNW (Vancouver, Wa U.S.A.)	Posted on Jan 22 2012 05:25 PM I agree with Martin24x7 single coil pups will always be prone to some slight hum/noise, when both neck and bridge are on it cancels out the interference thus neck and bridge become a giant humbucker that's why it creates "Dead quite" — -Kyle Beyond The Surf YouTube channel Beyond The Surf Instagram The Verbtones @ Instagram The Verbtones @ Facebook The Verbtones @ bandcamp Last edited: Jan 22, 2012 17:25:46 Top
gui_SURF_tar Joined: May 04, 2010 Posts: 175 norway	Posted on Jan 24 2012 03:27 PM ok tested the guitar a little yesterday and the shielding actullay worked great ,little to no hum in middel position and just slight single coil hum on the neck and bridge!! havent got the pickup screws yet so couldnt test it as much as i wanted thoug.... thanks guys for all the help!! (beware of crappy cell photos) is the mustang bridge spacing wider than jazzmaster bridge? seems the spacing is on the wide side. Last edited: Jan 24, 2012 15:29:37 Top

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