Path: 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

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 
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