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Old 7th January 2011, 01:31 AM   #1
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Default Budget Toslink to stereo analog

I have my TV's analog L/R outputs connected to my vintage stereo system. This works, but the TV has a rather dismal S/N. I can hear hiss when the program material gets soft. The hiss is even there when the TV is muted. The TV has an optical output, I believe it's called Toslink. I figure the digital output would have a better S/N, but I would need a device to convert it to analog L/R. Can anyone recommend an inexpensive small converter? If there is a kit out there, that would be super.

Bobby Dipole
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Old 7th January 2011, 04:55 PM   #2
Mooly is offline Mooly  United Kingdom
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I would imagine the optical output of the TV is just normal SPDIF standard. TOSLINK is the common optical connection system, not the format.
So you need a DAC or amp that has either optical SPDIF inputs or maybe even have a go at building an optical to "coax" convertor and feeding that into a "normal" DAC that accepts electrical inputs.

I use a Sony MiniDisc recorder with a Pure DRX701 DAB tuner via SPDIF optical and the recorder also works with optical outputs from DVD players etc with no problem.
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Old 7th January 2011, 11:56 PM   #3
Pano is offline Pano  United States
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This one will do what you need.
Digital to Analog Audio Converter Optical / Coaxial / USB | Parts-Express.com

Stereo only.

For 5.1 there are a lot of el cheapos on eBay like this:
Cheapo DAC
I have one like it - they all seem to be based on the C-Media chips. Works OK.

How fancy did you want? What's the budget?
Take the Speaker Voltage Test!
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Old 8th January 2011, 02:26 PM   #4
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Join Date: Feb 2006
Location: Chicago, IL
I'm enjoying the sounds of the Mini Dac from eBay:

HIFIDIY.net Mini 1793 SPDIF DAC Board -PCM1793+DIR9001

There are a couple of sellers and you can get it with or without case, power supply, etc. Opamp output is socketed, so you can upgrade (I used LM4562, which made a noticeable improvement).

I think there's a USB version if you need the added flexibility.

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