LL-TA transacoustic feed back & buzzing

The TransAcoustic guitar is an instrument that uses a built in transducer and on-board processing to produce the same incredible sound found in a great sounding room without a need for external amps or effects.

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george.cusack
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LL-TA transacoustic feed back & buzzing

Unread post by george.cusack » Thu Jan 31, 2019 6:13 am

Hi I bought a new LL-TA recently and had to return it due to major feed back noise and buzzing the shop replaced it with another new one which did the same thing. Again I took it back (guitar guitar Glasgow) who to be fair are being very helpful offering me money back different guitar etc but I chose to let them send back to Yamaha as I really love the guitar and just want one that works. The also had their guitar tech look at the first one I took back and he said that it had a loose brace inside.
So my question is has anyone else had a similar problem and did you get it resolved?
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Re: LL-TA transacoustic feed back & buzzing

Unread post by Saul » Thu Jan 31, 2019 1:53 pm

Hi George and welcome to the forums :)

I have heard of others having this same issue with the same issue and all had to be returned to Yamaha for repair.

Quite surprising they said it was a loose brace...on both guitars?

I have the FS-TA here and no problems with that. TA electronics and same scalloped X Bracing. Did the tech mention if it was on the rear or the soundboard?
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Re: LL-TA transacoustic feed back & buzzing

Unread post by george.cusack » Thu Jan 31, 2019 3:09 pm

Hi Saul
Thanks for your reply it was only the first guitar that I returned that had the loose brace they did not say which brace. I had Guitar guitar call me to day with news that Yamaha London has looked at the guitar and are waiting on a part from Germany that they hope to have next week. This is for the replacement guitar that I was given but they did not say what part they are waiting on so hopefully I will get it back next week as I have only had it less than a month.

Ps I don't know what guitar guitar did with the first one I got I can only imagine the sent that back to Yamaha.
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Re: LL-TA transacoustic feed back & buzzing

Unread post by Saul » Thu Jan 31, 2019 3:43 pm

I keep hearing vague stories of a "part" needing to be replaced and I did ask Yamaha about it but they are not saying what it is :whistle:

Always a bit concerning to hear of two guitars in a row having the same issues. I also think the loose brace was not the cause of the problem. Potentially it could create a sort of buzzing noise as it vibrates against the soundboard or back side of the guitar but I don't think that would cause feedback.

I am meeting with Yamaha next week and will be talking to the Guitar Division so perhaps I can find out what exactly the issue is then :think:
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Re: LL-TA transacoustic feed back & buzzing

Unread post by george.cusack » Thu Jan 31, 2019 11:19 pm

Thanks again I think that the loose brace in the first guitar may have been caused by the feed back as it would cause quite a severe vibration through the whole guitar and the buzzing noise did not start till later on. The second one did not buzz as I returned it after only 3 days and did not play it after the first day. Just my thought. It would be great to know what the problem is and know that once it has been repaired it will be a permanent fix please let me know if you get any answers from Yamaha and I will post again when I get my guitar back.
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Re: LL-TA transacoustic feed back & buzzing

Unread post by Saul » Fri Feb 08, 2019 4:46 pm

Apparently the feedback issue on some of the LLA series is a pretty simple fix although if still under warranty I would let Yamaha do it.

The electronics in these guitars is tested quite robustly at the factory to make sure they do not feed back but of course testing for all circumstances is not possible so there may be times when feedback does raise it's ugly head. There is a switch on the back of the circuit board...I assume a phase switch, which you can flip and should take care of the problem.

As far as I can see though it is not that easy to get to and would require taking the whole board out. I have not done this myself by the way as I have not come across the problem.

Also I should point out that IF anyone tackles this it is at your own risk. Take it to Yamaha if you can.
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Re: LL-TA transacoustic feed back & buzzing

Unread post by george.cusack » Sat Feb 09, 2019 11:09 am

Hi all pleased to say I got my guitar back sooner than I hoped for. The fault was the pre-amp board so they replaced it and so far it's been great. I must say it was a very frustrating experience and if the guitar didn't sound so dam good I would have taken my money back. So even after the problems I would still recommend them, also big thanks to guitar guitar Glasgow for all their help.
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Re: LL-TA transacoustic feed back & buzzing

Unread post by Saul » Sat Feb 09, 2019 11:24 am

Glad to hear it is all sorted now George :)

I use GuitarGuitar a lot myself, their Epsom store being closest to me and have always found them to be really good. Store review here.

If you get an opportunity to try the new CSF-TA and CG-TA I can highly recommend them. I am not normally into nylon strung or parlour guitars but these two certainly changed my mind on that one:)
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Re: LL-TA transacoustic feed back & buzzing

Unread post by george.cusack » Sat Mar 23, 2019 8:57 am

Just an update on my LL TA, I am glad I stuck with this guitar even after the problems I had just love it even without the effects on it sounds great. Still brings a big smile to my face when the effects are on its like a big wall of sound.
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Re: LL-TA transacoustic feed back & buzzing

Unread post by Saul » Sat Mar 23, 2019 12:24 pm

Thanks for the update George. These TransAcoustic guitars are really quite amazing. I am not sure they come across properly in videos. You really have to play one to understand just how useful and inspiring this system is.

Unfortunately my TA has now gone back to Yamaha (it was a loaner) but I did make a video which should be online very soon. Again not sure the effects came across that well but it was a great guitar and I was sad to see it go. Guess I will just have to buy one :)
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Re: LL-TA transacoustic feed back & buzzing

Unread post by weedeater3 » Mon Jul 01, 2019 10:24 pm

The LL-TA transacoustic has an adjustment for feedback according to the instructions included with the new guitar. If i remember correctly you hold down the volume/transacoustic button for 5 seconds until a RED flashing light comes on inside by the green light. then you can control the midrange with the volume adjustment (i think its the volume knob) to reduce feedback. I forget how you escape the midrange mode. Probably by holding down the volume again for 5 seconds? It's best if you find the instructions and not go by my memory. lol
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Re: LL-TA transacoustic feed back & buzzing

Unread post by Saul » Mon Jul 01, 2019 11:22 pm

Hi weedeater3, welcome to the forums.

thanks for the info. Yamaha must have changed something because previously they were saying the guitar would need to go back to them for adjustment. Something which I always thought was a bit daft so if it is as you say then they have now enabled the adjustment via the controls on the outside of the guitar I am very glad to hear it :)
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Re: LL-TA transacoustic feed back & buzzing

Unread post by Neculaita » Sun Nov 24, 2019 4:46 pm

Hi Saul, so great to find you on the net. I have a Yamaha trans acoustic and practiced at home with no problems of sound, but serious problems with the strap. The "Jack knob" where you attach the strap it thicker and easily slides out the strap. My guitar could fall down suddenly cause that anchoring is not efficient ( chineese)! I took it to the Yamaha shop in Mallorca and they have tried to fix it with a strap holder, witch continued to open and keep the risk of the strap to come out. Finally; I went to a hardware store and bought a rubber washer and now is more secure. For this problem, I went many times to the shop.
Now, yesterday, I had my first gig with my Yamaha. What a nightmare! There were two more acoustic guitars, with small Cube amps, just 80 people audience. Well my guitar started to feedback. I was shocked! I ve tried to go to the amp to reduce the volume. On the way, the feedback stopped. I sit back again and after some minutes started to feedback again. I have turn all the knobs off, thinking that may be caused by the knobs area.
I could feel that putting the hand around the strings lowers the feedback. Meanwhile the chineese Jack kept giving horrible noises as I was moving. Everybody was looking to me! I decided to stay like a stone man, not to move, till the song was over! All this happened with brand new cable.
Finally, I had to switch off the amp, off the cables and tried to play it clean. No way, the feedback continued and the audience new now, that I am a guy with bad cables, bad amps and bad guitar! The stamp was put. This happens, in my opinion, like with all thinks bought in china,
all in rubbish, and I think yamaha made a bad decision to mix such a good quality instrument , with chineese manufactory!
Next Monday I ll go again to the store. Here they are kinda " Mañana" witch means "tooommorrooow", so, i am not too happy with Yamaha.
New buyers,, must pay attention to this details, cause Yamaha will not make a recall for all the guitars to fix. If you don t find this major problems acting, you ll never complain. Yamaha Trans accustic is good to have it on photo! Will never broke!
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Re: LL-TA transacoustic feed back & buzzing

Unread post by Saul » Sun Nov 24, 2019 6:14 pm

Hi Neculaita, welcome to the forums and of course the string section (Y)

Wow! Must that gig must have been a complete nightmare for you. Feedback can completely ruin a performance and with acoustic guitars it is can be particularly problematic. This is why many acoustic players use a soundhole plug and then go through the built in preamp rather than try to play acoustically. It's a shame but it is a difficult issue to resolve. Some guitars are more prone to this than others of course.

There are so many variables to take into account when playing acoustic guitar in a live venue. A good soundcheck before the event can help but of course everything changes as soon as you have an audience in the room.

Chinese production in of itself is not a particular problem. It is "Quality Control" that is the issue and I say this with a sad heart but Yamaha's level of quality control has been slipping over the past couple of years. I suppose it is almost an inevitable consequence of mass production and cutting costs.

There are actually some great guitars coming out of China. All Eastman guitars for example are made in China and no one would accuse them of being poor quality?

Look at Gibson. All "Made In America" but they have had particular quality control issues over the last few years. So it is not the country, it is how things are managed that counts.

As for the strap button issue. Again there are some great straps out there that would solve this problem although perhaps Yamaha could have put some more thought into it. If you can solve it with a rubber washer from a local hardware store then something is definitely wrong with the design process.
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