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|    alt.engineering.electrical    |    Electrical engineering discussion forum    |    2,547 messages    |
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|    Message 2,262 of 2,547    |
|    Dimitris Tzortzakakis to All    |
|    Re: What kind of amp do I need    |
|    19 Dec 20 16:58:19    |
      From: noone@nospam.com              Στις 8/12/2020 8:44 μ.μ., ο/η gfretwell@aol.com έγραψε:       > 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.       >       >       you're right a turntable preamp is no good because these have had and       have what is called a RIAA curve de-emphasis because the records used to       (and are) being compressed in the bass, I think. basically what you need       is an op amp to boost your signal, surely there are pres or even kits       that fulfill your needs? when I did for my thesis (in EE) an AM       transmitter I needed an 60 W audio amp so I picked a ready PCB, it just       needed a PSU and box.HTH.              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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