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Analog Out from TVs
Analog Out from TVs
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Old 16th September 2019, 06:14 AM   #1
vizion is offline vizion  United States
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Default Analog Out from TVs

Hi Guys,

This is pretty low end. But I'm getting tired of DACs. Are the analog outputs of TVs good enough ? Just add a cool Class A amp ?

Thanks.

Eric
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Old 16th September 2019, 09:56 AM   #2
indianajo is offline indianajo  United States
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The samsung 32" I bought in 2017 has no analog out. It sounds terrible. It has some kind of optical link, presumably patented to require you to buy their $190 sound bar with the "amazing" 3" woofer. I instead bought a hdtv tuner from farnell for $49 with analog outputs and hooked it up to a PV-4C amp I bought for $28 & repaired for $50. The speakers are 6.5" with whizzer cones salvaged from a projection TV I found on the curb after the garbage truck ignored it. In farnell boxes with a reflex port in the back they sound pretty good.
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Last edited by indianajo; 16th September 2019 at 10:00 AM.
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Old 17th September 2019, 02:06 AM   #3
PRR is offline PRR  United States
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Quote:
Originally Posted by vizion View Post
...I'm getting tired of DACs. Are the analog outputs of TVs good enough ?...
The "analog" outputs of modern TVs are almost certainly DAC outputs. All broadcast/cable/DVD audio is digital. Most TV sets have audio processing, which even for analog in is done in a digital chip and then DACed to an analog output.
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Old 17th September 2019, 03:51 AM   #4
dotneck335 is offline dotneck335  United States
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Quote:
Originally Posted by indianajo View Post
The samsung 32" I bought in 2017 has no analog out. It sounds terrible.
The Samsung 32" TV I bought one month ago also SOUNDS TERRIBLE!! I'm going with the analog outputs of my Dish receiver. How do they get away with this crap??!! Samsung SUCKS!!
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Old 17th September 2019, 05:27 AM   #5
stratus46 is offline stratus46  United States
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Quote:
Originally Posted by indianajo View Post
The samsung 32" I bought in 2017 has no analog out. It sounds terrible. <snip>
We have an LG with optical out which can be set to stereo or 'auto' meaning it will pass 5.1. If the Toslink DAC does NOT support 5.1, it will make some of the more horrendous noise when the AC-3 is treated as 'stereo'. OTOH a 5.1 DAC can be used to get full 5.1 audio which sounds really good. A plain jane stereo DAC is less than $10 and a 5.1 capable stereo only out is less than $15 and a 5.1 with all 6 outputs is less than $20. The main problem with those DACs is the TV does not control audio levels on the Toslink (at least true for an LG OLED) meaning you need an outboard remote analog control. I can give you Arduino code to control a PGA2311 chip using the same controller as your TV. See 5.1 audio by stratus46 and the Arduino code is there. Help yourself. This is DIY so DIY.

G
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Old 17th September 2019, 01:08 PM   #6
Galu is offline Galu  Scotland
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Originally Posted by vizion View Post
Are the analog outputs of TVs good enough?
Hi Eric!

To put it simply, I have the RCA analogue outputs of my Panasonic TV connected to my hi-fi system.

The result sounds more than 'good enough' to me on the odd occasion I make use of the connection.
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Old 19th September 2019, 12:34 PM   #7
Kay Pirinha is offline Kay Pirinha  Germany
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Almost, if not any manufacturer of TV's seem to have discarded analog RCA audio outputs, presumably for cost cutting reasons.
Best regards!
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Old 19th September 2019, 06:13 PM   #8
Galu is offline Galu  Scotland
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Quite right KP - my Panasonic is an oldie, but goldie!

The audio output on current Panasonics is optical.
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Old 25th September 2019, 07:35 AM   #9
dedstock is offline dedstock  India
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Hi Eric,
I do not understand why you need analog out from the TV. Take you analog signals out from the source, that is the Blue Ray player, DVD player, Tuner, CBL Setup box etc, etc.
It gives you better reception.
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Old 25th September 2019, 12:05 PM   #10
indianajo is offline indianajo  United States
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Modern TV's don't need a tuner. They receive HDTV right off the antenna.
Displays without a tuner are called "monitor".
In post 2 I pointed out that a tuner with analog outputs is cheaper than the "sound bar" sold to be compatible with the TV, and has better sound potential.
I wonder if the optical output on my Samsung 32" is "toslink" or some patented device compatible only with the samsung soundbar? Not important though, **** thing quit working at 1 year & 50 weeks. Something on the IR pickup/on switch board loses connection unless wiggled weekly.
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