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Old 10th January 2013, 09:18 PM   #1
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Default Full range speakers hardwired into TV

Hello,

I have an older 40 in LCD Samsung display in my living room that I do no use with a external sound system. I always hated how the internal speakers sounded. Last week, pulled out the specs of the internal speakers : 8 ohms /10 watts. I realised I had a pair of fullrange speakers that fit exacly does numbers : 5 liter vented box with TangBang 3 1/2 inch bamboo paper cones. I hacked the back panel of the TV and pulled out the wire leads of the internal speakers and connected them to my fullranges. It works very well, but the external speakers are not very forgiving of the low quality of the TV's amp.

Anyone ever tried that?
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Old 10th January 2013, 09:58 PM   #2
sreten is offline sreten  United Kingdom
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Hi,

I've done it with all my TV's, back to the mono days. The speakers
don't have to be particular good, just suit the purpose quite well,
to give a relatively huge improvement over the TV speakers.

rgds, sreten.

Though I've used allsorts for the job, not just fullrangers.
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Last edited by sreten; 10th January 2013 at 10:05 PM.
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Old 10th January 2013, 10:05 PM   #3
xrk971 is offline xrk971  United States
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Why don't you use the audio line out and run thru small amp and speakers? Or is the goal to physically replace actual speakers inside tv cabinet?
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Old 10th January 2013, 10:22 PM   #4
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Quote:
Originally Posted by Jeff 777 View Post
Anyone ever tried that?
For this group - to deny it means you're either young or a liar.
Quote:
Originally Posted by sreten View Post
I've done it with all my TV's
Yup
Quote:
Though I've used allsorts for the job, not just fullrangers.
Yup again.
Quote:
Originally Posted by xrk971 View Post
Why don't you use the audio line out
He said older Samsung, but I've not seen an LCD that didn't have at least RCA out so that begs the question...
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Old 10th January 2013, 10:48 PM   #5
Fenris is online now Fenris  United States
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I do it with my Visio LCD that's about 5 years old. I would use the RCA outs, but I recall that there's a problem with them - they don't pass through every input or you can't control the volume, I don't remember which. So I just installed a DPDT switch and jack in-line with each speaker and a pair of co-ax plugs out the back of the TV. I have a couple of cables with a coax plug on one end and a pair of bannanna plugs on the other that go to my speakers. The amp in the TV is pretty decent, it puts out a few clean watts which is all that you need for moderate volumes. I can flip between them if I ever sell the TV or if I want to show someone the difference between TV speakers and real speakers. If you look at my post in the Cornu thread you can see my "real" speakers and Cornus flanking my TV.
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Last edited by Fenris; 10th January 2013 at 10:50 PM.
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Old 10th January 2013, 11:10 PM   #6
xrk971 is offline xrk971  United States
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Quote:
Originally Posted by Cal Weldon View Post
For this group - to deny it means you're either young or a liar.
I am not exactly young but honestly have never tried this but could soon try it. I think the chip amps TVs have are probably pretty good for 5 or 8 W. I could attach it to my new foam core floorstanding Vifa's. Those would actually look pretty good next to the TV. Just need to cover it with some sort of cloth. But if the audio line outs work, I would rather just get a cheap 8 W T-amp.
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Old 11th January 2013, 01:16 AM   #7
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I can't see a reason to wire the drivers direct if you have line level out.
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Old 11th January 2013, 02:30 AM   #8
chrisb is offline chrisb  Canada
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I can remember a Sony XBR of about 20yrs ago that had a very decent Sanken or such "chip" amp on board that didn't embarrass itself with small commercial 2-ways of the day (long before I started in the DIY)

But I think we'd probably find that most current flat-screens would contain amps of approximately the same quality as the speakers.


Quote:
Originally Posted by Cal Weldon View Post
I can't see a reason to wire the drivers direct if you have line level out.

I've only had about 5 TVs in the past 20yrs since the original XBR described above, but I've yet to see one that didn't allow setting the audio line out to variable ( i.e. controlled by the TV or cable box's remote) Some of them do however take some rather deep drilling down the menu tree to find the appropriate options.
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Old 11th January 2013, 03:02 AM   #9
Pano is offline Pano  United States
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Fixed bad quotes.
Come on guys - learn to how use the quote function!
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Old 11th January 2013, 03:04 AM   #10
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I have a 4 year old RCA TV that the line out is not variable. Not only that but it has no # code that you can set a universal remote for. Nice picture though. In case you are wondering this is the last time I purchased something from Walmart. You can probably google the story on the internet somewhere. RCA TV has no code for universal remotes circa 2009.
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