Elvis_Parsley Posted March 20, 2016 Share Posted March 20, 2016 Is there room on the JTV 89F to install a Roland GK3 PUP between the bridge and pickup mounting ring? If not is there a replacement pickup mounting ring that will increase the space to allow the GK3 to be mounted? Quote Link to comment Share on other sites More sharing options...
rickthestick Posted May 13, 2016 Share Posted May 13, 2016 No, ...you'll have to make room. I had to move the bridge pickup about 1/4" toward the neck to install it. Well worth it! Quote Link to comment Share on other sites More sharing options...
PRSGuy Posted May 13, 2016 Share Posted May 13, 2016 @rickthestick that is NOT for the faint hearted....came out great nonetheless... Quote Link to comment Share on other sites More sharing options...
rickthestick Posted May 14, 2016 Share Posted May 14, 2016 I have a couple PRS's that I put the GK-Kit into. THAT was a much tougher job. Very clean, nothing shows except the pickup and the connection plate for the cable. There was no room in the 89F for the connection plate or the electronics internally. For whatever reason, this one tracks even better than the PRS's. Love having the GR-55 in addition to the Helix, great combo! Quote Link to comment Share on other sites More sharing options...
bruceleemani Posted August 8, 2019 Share Posted August 8, 2019 @rickthestick - thanks for that, was specifically hunting around for folks who'd tried this before.. I'm a longtime GR-55 user, have the GK-3s in my Strats etc. I've just ordered the 89F and was thinking it would be great to add the GK3... I live in India so I can't even try out the 89f before I buy - it's on order and I've just gotta hope for the best ;-). Not sure if I have the surgical skills to pull off what you did, so I thought I'd just check; if you could cut away the skinny bit of the bridge-pickup mounting ring that's closest to the bridge, would that make just enough room to squeeze the GK-3 in? From looking at the pics you've posted, it looks to me that it just might.. would be great if I could get the actual measurements :-). Also good to hear that it tracks well - on the Strat, for example, the GK3 can be fitted so that it's just pretty close to the saddles (which Roland recommends as ideal for good tracking); and here with the Floyd being mounted the way it is, it looked like there would be a fair distance between the string-saddle point and the GK3. Cheers! Quote Link to comment Share on other sites More sharing options...
amsdenj Posted August 8, 2019 Share Posted August 8, 2019 Try JamOrigin MIDI guitar 2 before you invest in too much hardware. Quote Link to comment Share on other sites More sharing options...
bruceleemani Posted August 10, 2019 Share Posted August 10, 2019 @amsdenj - Already a long-time user of the GR-55 and value it's usability as a pedal.. not sure I'm ready to start carrying a laptop etc on stage.. :-) That said, have been hearing good things about the Jam Origin stuff - will check it out. Quote Link to comment Share on other sites More sharing options...
cziebold Posted October 18, 2019 Share Posted October 18, 2019 I have been using a GK3 on my JTV89F for about 3 years with no issues. I just trimmed the backside of the rear pickup ring and this gives just enough room to install the pickup. In my case I epoxied the pickup to the edges of the ring to eliminate any movement or shifting. (I have 6 guitars of all types with GK3's installed) Has worked great. Quote Link to comment Share on other sites More sharing options...
HasseFX Posted January 19, 2020 Share Posted January 19, 2020 Continuing this subject - A few years ago I bought a special mounting plate kit for mounting the GK-3 mic on Floyd Rose-style equipped guitars which have a gap too narrow between the humbucker pickup holder and the bridge, just like on the JTV-89F. However I stowed it away as I had another GK-equipped guitar. Today I decided to use the kit to mount the GK-3 on my JTV-89F. The idea/procedure is to replace the pickup holder with the special mounting plate, on which also the GK-3 mic is attached. The hex mic is almost shoehorned in, with only a millimetre space on each side towards the humbucker and the bridge. As I prefer pretty low action, the string height over the GK-3 were barely adjustable to the prescribed 1 mm height. However the action and playability remains very good. The GK-3 box is attached by double-adhesive tape, as the supplied mounting plate is too big to fit behind the tremolo bridge. The kit seems to be available here: https://www.ebay.com/itm/230382219884 The procedure is easy and straightforward and there are no harm done to the guitar as the plate utilize the existing screw holes for the pickup holder. The images below shows the result. Quote Link to comment Share on other sites More sharing options...
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