Yamaha THR direct to PA mixer?

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Sanjuro
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Yamaha THR direct to PA mixer?

Unread post by Sanjuro » Mon Apr 21, 2014 1:31 am

Hello, everybody.

I have done a number of small solo performances with my THR10, and have up until now been placing a microphone (which runs to the PA) in front of the speakers, which has had decent results.

I have another performance coming up soon and I am wondering if running a cable from the "PHONES" jack straight to the PA mixing board would give me a better sound. If I were to run a cable to the mixer, should it be a shielded cable? I know very little about these matters, and would like to avoid taking a chance and potentially frying something inside the amp.

Thanks!
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Re: Yamaha THR direct to PA mixer?

Unread post by Buzzard » Mon Apr 21, 2014 9:18 am

Hi Sanjuro , welcome to the Yamaha Forums.

All audio signal cables must be sheilded, and yes, you can use the phones output to a mixer/pa system or other amp.
However, ALLWAYS start with the volume on your THR at zero, then work your way up carefully until you have reached the level needed.
Your THR won't fry, but the mixer/pa/preamp inputs can be damaged if your output level is too high, start at zero and it'll be ok.
Don't forget that the THR has a fab stereo output, make sure to get both left and right signal to the mixer/pa system.
Plugging directly from THR to mixer/pa will illiminate the room noise that a microphone will pick up.

There is not many live performance videos out there involving THR amps.
A clip from you would be SO COOL to show the THR's versatility. :D

Best Regards
Peter
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Re: Yamaha THR direct to PA mixer?

Unread post by Sanjuro » Mon Apr 21, 2014 12:27 pm

Thanks, for your reply.

Regarding the matter of the shielded cable, what will happen if I just use a normal cable like the ones that are typically run between an amp and a guitar? To be honest, I am not sure I have ever seen a shielded cable before ...

Also, how can I accomplish the task of running the signal in stereo to the PA?

Thanks again!
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Re: Yamaha THR direct to PA mixer?

Unread post by Buzzard » Mon Apr 21, 2014 12:55 pm

Hi Sanjuro

Just to make sure we define a sheilded cable the same way. :D

To me it's an ordinary audio signal cable with an insulated core , a grounded shield and outer insulation , for MONO.

For STEREO you can use two of these or a cable with two insulated cores , a grounded shield and outer insulation.

For your THR phones output, use a stereo Jack wired into two mono Jacks (left and right) it's a cable available at your music store.
Make sure to buy it long enough to reach the PA/mixer. :wink:

PA systems are (almost always) stereo, so your two mono Jacks go into the PA systems left and right chanel inputs.

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Peter
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Re: Yamaha THR direct to PA mixer?

Unread post by Sanjuro » Tue Apr 22, 2014 3:26 pm

I researched this matter shortly after my last post and found that I had been mistaken in my understanding of shielded and shielded cables. I was under the impression that speaker cables were shielded, while guitar cables were not. Apparently it is the other way around.

In any case, I appreciate your explanation. Unfortunately I only have access to guitar cables at the moment, so I am afraid I will need to go mono for the upcoming performances. I am in China at the moment with nothing but a Les Paul, my THR10, and a few good feet worth of guitar cables. I am pleased to hear that I will be able to avoid trying to stuff a microphone in front of the amp as I had been doing before. I will be interested to see how the sound comes through the PA.

Thanks a lot for your advice!
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Re: Yamaha THR direct to PA mixer?

Unread post by Buzzard » Tue Apr 22, 2014 6:52 pm

Hi Sanjuro.

....... so you are Rockin' China ? ((i))

I'm sure a Y-split (stereo Jack to mono jacks) cable is available in China too.

Here' a picture of the cable:
Image

........ and here's the reason why I think you should get one. :D

The stereo jack that plugs in your phones out has 3 connection points: tip , ring and sleeve.
That's Left , Right and (shielded) ground.

If you use a (mono) guitar cable you will short out the right chanel from the amp.
Don't worry, you won't fry the output chanel, but you just don't get the signal out.

If, and only if you are not using the onboard effects, the signal is strictly mono anyway.
But if you use the effects: chorus , flanger , phaser or the delay reverb or hall echo, these effects come out in stereo.
To get the full sound of the effects, you really need to utilize the THR's stereo output including both chanels.

The cable is available with several types of plugs opposite the stereo jack: RCA , XLR . pretty much whatever you want or need.

For your live performance it would be a pity not to get the swirly stereo effects out to the audience.

The places you perform at may already have these cables since the same type can be used for other stereo instruments, some keyboards too I guess.

Regards
Peter
Last edited by Buzzard on Mon Mar 05, 2018 4:58 pm, edited 1 time in total.
Reason: restoring picture
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Re: Yamaha THR direct to PA mixer?

Unread post by Buzzard » Tue Apr 22, 2014 7:57 pm

Oh ..... I just remembered a detail about the THR, it has "expanded stereo mode" as default.

This is really neat when using the THR as a guitar or computer amp.

Since the speakers are actually very close, it's hard to get a full stereo sound,
therefore the "expanded stereo mode" to make the speakers sound as if they are much further apart.

When plugging into a PA system where the speakers are far apart, the "expanded stereo" may sound too artificial.

The quick fix is holding the tap time/tuner button down (about 3 seconds) until a "#" is visible in the display.
Now you're in TRUE STEREO mode, and the expanded/wide stereo is off.
To get back to the "expanded stereo mode" hold the same button down until the "#" dissapears from the display.

Rock On !
Peter
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Re: Yamaha THR direct to PA mixer?

Unread post by Steeve108 » Mon Mar 05, 2018 1:01 pm

This is exactly what im planning to do with my THR5A + a Yamaha Silent nylon strings (actually D'addario Carbon) i love so much the sound of this small box (very responsive warm N so unique) ...i think Yamaha should consider the option of making a multi FX unit soon which will features these amp sim from the THR series it will blow out the market IMO... that im going to route the sound of this amp directly to a more powerful PA system such as a Roland KC-110 or such 4 giging (even if its a keyboard amp) - The Y cable jack option is the way to go to keep the stereo image
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Re: Yamaha THR direct to PA mixer?

Unread post by Saul » Mon Mar 05, 2018 3:22 pm

Hi Steeve, welcome to the forums :)

The whole THR range are quite incredible amps. I'm hoping there will be some new additions/updates at MusikMesse next month but who knows. There wasn't a great deal of new gear at NAMM. Hopefully they have saved the goodies for Frankfurt :)

Often considered a Yamaha SLG as it would be a great practice tool.
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Re: Yamaha THR direct to PA mixer?

Unread post by Buzzard » Mon Mar 05, 2018 4:33 pm

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Re: Yamaha THR direct to PA mixer?

Unread post by JoeSantos » Mon Aug 13, 2018 1:27 am

Hi all! I use my THR10 with Marshall SD50d (stereo amp) and it works PERFECTLY! I just connect a stereo plug to the phones out to 2 mono plugs to input 1 and input 2 of the Marshall and ((i))

Besides, I can control the 2 marshall channels independently, adding chorus, reverb to only one channel, or trying different EQ settings on channel 1 and channel 2, creating special and unique (and sometimes crazy) sounds
DSCN0512.JPG
I love the THR and the AS50d too!

Oh! 99% of time I plug a nylon spanish guitar to it (travel size) - very occasionally i plug an electric or accoustic one - and even with nylon strings, I can play with crazy distortions and rock and roll! :P
Last edited by JoeSantos on Fri Sep 14, 2018 7:35 pm, edited 1 time in total.
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Re: Yamaha THR direct to PA mixer?

Unread post by Buzzard » Mon Aug 13, 2018 4:52 am

Hi Joe, welcome to the forum and the string section. :D

A lot of members have asked about how to get more volume from a THR,
this is one very good solution and you have showed it nicely, GREAT first post.

Best Regards
Peter
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Re: Yamaha THR direct to PA mixer?

Unread post by Saul » Mon Aug 13, 2018 6:59 am

Welcome to yamahamusicians.com Joe.

Great first post and perfectly illustrates some of the possibilities of how you can use the THR :)
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Re: Yamaha THR direct to PA mixer?

Unread post by jens5 » Tue Sep 18, 2018 7:04 pm

Was inspired by your post Joe. Although I don't have a stereo amp, I always wondered how to get performance volume out of my THR10. I have a Carr Sportsman valve amp with a 12" speaker and ran a guitar cable from the THR phones out to the input of the Carr. Guitar plugged into the THR. At first I got quite a bit of hum and then reduced the Valve amp volume/gain and upped the volume on the THR. No noise and all the THR effects are there at volume. Although mono, the THR through an efficiant 12 inch speaker is great. Could easily gig with this setup. Thankyou!
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