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YAMAHA TRB CLUB

Actually, if you insist on changing out the pickups (the TRB-YGD pickups are actually pretty good) the Nordstrand Fat Stacks are probably a better choice. You can switch between humbucker and single with them and get the best of both worlds.
Personally I’m more a fan of the big singles !

but still need those pickup dimensions ! Plus my order was already placed
 
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Hi guys! yesterday was NBD for me. I'm joining the club. Here's a sweet TRB 5P. I'm pretty much into Yamaha, as you can tell by the "family" picture (some Fender goods are not shown in the picture). Knobs are replacements, and it came with no hard case, but I don't travel that much, and the gigs are rare these days. The sound is amazing and the piezo is a very fine touch but must be handled with care because it picks up a lot of your playing noises. Anyways, I'm glad to finally own one of my holy grail bass guitars. Peace!
 

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Ok so what size is the truss rod key really on a TRB1004? I don't think it's really 5mm. Or walmarts hex keys are complete trash. Oh wait... they probably are.
Any help would be appreciated. Could not find ball end hex keys anywhere. Home Depot had huge sets I didn't need.
Thank you
 
Try a neighborhood hardware store. They will usually have an inventory of single Allen wrenches available.
Those don't exist anymore around here unfortunately. We have a small local chain called value (like an ace) but they have stopped carrying as much variety as the used to in tools. I was able to get a set of ball end hex keys (they don't take allens I guess) at Walmart. Auto zone had a set for $1 more. Problem is the ball end is on the long side of the key so you can't get around the neck pickup due to the angle. Also Yamaha says 5mm. That did not seem to fit. 4 was way too small as well. Didn't have a 4.5. Strange
 
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Ok so what size is the truss rod key really on a TRB1004? I don't think it's really 5mm. Or walmarts hex keys are complete trash. Oh wait... they probably are.
Any help would be appreciated. Could not find ball end hex keys anywhere. Home Depot had huge sets I didn't need.
Thank you

I don't think it's a 5mm, I think it's actually a 4mm. I'm looking at one I have I use on my TRB and my callipers say it's 4mm.
 
A few months ago I obtained this 1992 TRB-6P from the son of the original owner, a guitar player and Yamaha endorsee who passed away over 20 years ago. For some reason Yamaha sent this bass to him in 1992, and it really never got played and had literally only been taken out of the case a handful of times before I got it. Unfortunately, in recent years the bass was stored in a non-climate controlled storage space in Arizona, and it had some minor damage as a result - a crack at the upper end of the fingerboard, some finish bubbles at the fret ends, and major fret sprout that had to be filed down to avoid severe pain while playing (!) All of the latter issues were caused by shrinkage of the fingerboard wood, I would think. Most strangely, and something I have never seen, the finish on the top of the body seems to have shrunk to the point that if you run your hand over it you can feel the grain of the wood in places. It's almost as if the instrument was baked, which in a way it was. Other than all of that, as you can see from the pics the bass is in superb shape. The electronics are perfect, it sounds great, and after some TLC it plays great as well!

I used to own a very early single truss rod TRB-6P, which was my main bass all through the '90's. I had to retire it because the neck was very prone to bowing or up-bowing with temperature and humidity changes, to the point where it needed frequent truss rod adjustment and it wasn't dependable to take on the road (I suppose that explains the transition to the dual truss rod design). Anyway, despite the neck instability I greatly missed that bass, so getting this one was an unexpected, welcome and somewhat nostalgic acquisition. I'm very happy to have it and I've been playing it a lot.

(Note: the funky look of the headstock in the head-to-toe shot is just some kind of reflection)

View attachment 4008010 View attachment 4008011
I still have my ‘91 TRB6P with the single truss rod. Same color! I’ve had to crank that up pretty tight to keep the neck relatively straight with just the slightest relief. I was wondering if you might be able to answer a question.

In the cavity where the preamp is located is a small knob that can be adjusted with a screwdriver. Any idea what that does? I remember bringing my bass in to Yamaha to have the preamp replaced not long after I bought the bass because it had a faulty wire or something. Anyway, I saw the tech futzing with that knob but I didn’t think to ask what it was he was setting it for.

Any thoughts?