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YAMAHA TRB CLUB

#1,522
frankie5string said:
Based on the lack of stripes up to the headstock, it's a TRB1005 - the lower-tier TRB model which still has excellent build and electronics. The 1005J would have had "nato" wood stripes and been a 5-piece neck. I have one. It's not a TRB-5II - the body and bridge are slightly different. The back body wood should be Alder.
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Excellent thanks. The build quality? ... Fender WISHES they could even come close to the build tolerances here. Just crazy good neck join and layers of detail, fit and finish. And the B string ... just perfect and a non-issue.

While I do agree with some comments out there that it seems to share with the 1005J ... "The preamp eq setpoints were way too extreme!" (potential glassy treble etc) and "the D and the G string are bit disproportionately brighter than the B, E and A" (that just makes it a Ferrari :>). it seems though easy enough to work around for me, especially just using the Pre in a nudge type fashion etc. And I do tend to run mine with the Mids mostly dumped FWIW ...
 
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#1,523
Played my '98 TRB6II last night and it played and sounded very nice. I like it!

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Also my '99 TRB5IIF with flats plays very nice as well and sounds great for any style of metal, hip hop, blues and free jazz! Yeah. :beaver:

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#1,524
Hi guys, sorry if this have been asked a couple of times but it's 77 pages and tough to find

I wanna ask about the function of the trim pots in a trb6ii preamp

I googled and had 2 results, 1 says tht it's used to select the mid Freq and the depth of it, the other says it boost the pickups to make it change to humbuckers

Which one is it?
 
#1,525
redname said:
Hi guys, sorry if this have been asked a couple of times but it's 77 pages and tough to find

I wanna ask about the function of the trim pots in a trb6ii preamp

I googled and had 2 results, 1 says tht it's used to select the mid Freq and the depth of it, the other says it boost the pickups to make it change to humbuckers

Which one is it?
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I don’t know about that model but the second explanation doesn’t even sound it it might make sense. Change of frequency sounds a whole lot more in line.

JayT
 
#1,526
Sirfishalot said:
I don’t know about that model but the second explanation doesn’t even sound it it might make sense. Change of frequency sounds a whole lot more in line.

JayT
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ikr, just tht the explanation was tht the pups are actually dual coil but they defaulted as single coil by lowering the gain of 1 of the coil in each pup and turning the trim pots will increase the gain to make them dual coil
 
#1,527
so speaking of dummy coil and coil talk i recentlyplugged into this dudes like $1000 home amp rack interface thing for a play along and found that i may have grounding issues? as in middle/neck only there was ground hum. and on the bridge soloed there was none? so IS there a ground issuse? i don't have that with any of my stuff?
 
#1,528
redname said:
ikr, just tht the explanation was tht the pups are actually dual coil but they defaulted as single coil by lowering the gain of 1 of the coil in each pup and turning the trim pots will increase the gain to make them dual coil
Click to expand...

That's not right... We've talked about this a few times. They are single-coil pickups with a dummy coil attached. The dummy coil doesn't read the strings like a dual-coil does - it is only there to be blended against the coil that reads the strings to cancel any hum or interference that a single coil would normally produce.
 
#1,529
Hiroi Kikuri said:
so speaking of dummy coil and coil talk i recentlyplugged into this dudes like $1000 home amp rack interface thing for a play along and found that i may have grounding issues? as in middle/neck only there was ground hum. and on the bridge soloed there was none? so IS there a ground issuse? i don't have that with any of my stuff?
Click to expand...

It could be that the dummy-coil control for the neck pickup isn't set right - so it's not cancelling hum as much as it could. Try turning around with the bass strapped on - is there a position where the hum becomes less apparent? If so you could open the control cavity and adjust the control for that pickup while it's plugged in. Don't overdo it or it can choke the main pickup out and sound weird.
 
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#1,530
frankie5string said:
It could be that the dummy-coil control for the neck pickup isn't set right - so it's not cancelling hum as much as it could. Try turning around with the bass strapped on - is there a position where the hum becomes less apparent? If so you could open the control cavity and adjust the control for that pickup while it's plugged in. Don't overdo it or it can choke the main pickup out and sound weird.
Click to expand...
i see, i'll try that
 
#1,532
frankie5string said:
That's not right... We've talked about this a few times. They are single-coil pickups with a dummy coil attached. The dummy coil doesn't read the strings like a dual-coil does - it is only there to be blended against the coil that reads the strings to cancel any hum or interference that a single coil would normally produce.
Click to expand...

Thanks for your reply

So what was the conclusion?

I believe it's for frequency selection? Which wheel is the selection and which is the depth? What's the range of frequency?
 
#1,533
redname said:
Thanks for your reply

So what was the conclusion?

I believe it's for frequency selection? Which wheel is the selection and which is the depth? What's the range of frequency?
Click to expand...

He’s got a TRB 6ii. As far as I know it has the later circuit without the frequency selector on the board. Those are noise cancellation adjusters for the pickups.

If it did have an internal midrange setting, it would look like a thumb wheel.
 
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#1,535
Hello everyone,

I recently posted the following question in the general forum, but thought I might get better insight if I posted here.

I had question regarding the headstock of the early 90’s Yamaha trb. Not sure if anyone would the answer to this.

I recently saw a blue trb bass listed as a 1992 Yamaha trb 5p.

I noticed that all of the early 90’s trb’s (with the piezo pick ups) have headstock that are a dark wood grain. I recently saw a trb 5p, with a headstock that matched the color of the bass. This seems to be something Yamaha did with the late 90’s model trb models, without the piezo pick up, but in the trb 5ii. So I was curious about this model.

The serial number for both headstock images implies that they were made between 1986 and 1989, which was confirm by Yamaha. I just have never seen an early model trb with a headstock that wasn’t the wood grain. Yamaha did not have any information about the different headstock color either.

While the headstock color does seem to be a trivial factor, I wanted to know if it is an authentic (original) or possibly a custom bass version. Mostly just curious.

Thank you!
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#1,537
Hello TRB Club folks,

I posted a question about installing 3rd party 2-wire pickups (Fender, in this case) with a stock TRB pre-amp here:
https://www.talkbass.com/threads/2-wire-pickups-into-a-yamaha-trb-pre-amp.1638376/

I am referencing my post here for visibility, hoping some knowledgeable folks might help me out. I found other threads on connecting stock TRB pickups to 3rd party pre-amps, but nothing on the reverse. Thanks much!
 

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