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   alt.engineering.electrical      Electrical engineering discussion forum      2,547 messages   

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   Message 2,267 of 2,547   
   Anthony Stewart to gfre...@aol.com   
   Re: What kind of amp do I need   
   31 Dec 20 09:40:15   
   
   From: tony.sunnysky@gmail.com   
      
   On Wednesday, 30 December 2020 at 22:46:28 UTC-5, gfre...@aol.com wrote:   
   > On Wed, 30 Dec 2020 06:55:47 -0800 (PST), Anthony Stewart   
   >  wrote:   
   >   
   > >On Tuesday, 8 December 2020 at 13:44:58 UTC-5, gfre...@aol.com wrote:   
   > >> I bought a new TV and like most now, they don't have a line level   
   > >> output. I bought a digital to analog adapter to drive my remote   
   > >> amplified speakers but the line level out of the converter is so low I   
   > >> need to run the amps at full volume and they are still marginal. I   
   > >> think a small pre amp would work but the "turn table" amps might be   
   > >> too much of a good thing and they don't seem to have a gain pot.   
   > >   
   > >   
   > >Do they have a useable earphone jack?   
   > No. The only out is digital/fiber.   
   >   
   > When I get little time I will get back to it. I am looking at LM324   
   > circuits and I have a few chips already. I am not looking for   
   > audiophool quality, just reasonable sound I can hear. A couple I saw   
   > look reasonable and I am just looking for line level inputs to an amp.   
   > I think a 324 can do it. Since I have 4, I might double them up. I saw   
   > that trick too.   
      
   It is possible new TV's do not have an isolated DC supply, so you might be   
   best to use a transformer off the audio.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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