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Article #5855Re: Sony, are you listening?
From: Wolfgang S. Rupprecht
Date: Tue, 28 Aug 1990 03:06
Date: Tue, 28 Aug 1990 03:06
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In article <59154@bbn.BBN.COM> sher@BBN.COM (Lawrence D. Sher) writes: >I have a new Sony Stereo TV (Model 20TX11). On the back are > a) 2 RCA phono plugs labeled "Audio Output (Variable)" for R a >nd L channels > >The problem appears to be the mismatch between the TV's output impedance >(manual says 10k ohms) vs the headphones' probably-much-lower input >impedance (like 32 ohms). I've tried other headphones; the results are >expectedly similar. Try a pair of high impedence headphones. The Senheiser 414's are very decent and are over 1k impedence. You can easily drive them off of low power op-amps and the like. I just plug mine into the 600 ohm output line of tape decks when I queue up tapes etc. -wolfgang -- Wolfgang Rupprecht uunet!nancy!wsrcc!wolfgang Internet: nancy!wsrcc!wolfgang@uunet.uu.net Snail Mail Address: Box 6524, Alexandria, VA 22306-0524
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!nancy!wsrcc!wolfgang From: wolfgang@wsrcc (Wolfgang S. Rupprecht) Newsgroups: sci.electronics Subject: Re: Sony, are you listening? Keywords: Sony, TV, volume, headphones Message-ID: <1990Aug28.030636.369@wsrcc> Date: 28 Aug 90 03:06:36 GMT References: <59154@bbn.BBN.COM> Organization: Wolfgang S Rupprecht Computer Consulting, Washington DC. Lines: 20