e-=> Quoting Ben Ritchey to All <=-

 BR> {at}TID: PX v1.4c PX21-1138M
 BR> {at}MSGID: 1:393/68 0d599d0e
 BR> {at}CHRS: CP437 2
 BR> I have a Stereo Audio feed for 2 Watts {at} 8 Ohms (per channel) that I
 BR> need to convert to "Line" level (I'm assuming this is around 1 Vac
Hi Ben,

I believe that you find the standard for "LINE IN/OUT " to be 150
Millivolts -- Now that may only  apply to the audio professional
Impededance standard of 600 ohms  ( balanced ). But I have long
used  150 Mv for the ualue of  a line  ..




 BR> Peak-to-Peak at a much higher impedance) in order to pass the signal
 BR> through an Equalizer, then back thru a secondary Amplifier (probably
 BR> 5-10 Watts per channel, not built yet). Can this be done with a simple
 BR> Voltage Divider like dual Pots and would the pot(s) need to be
 BR> Audio-taper? 

Audio taper vs linear taper -- AHH - Ha that is the question !!!
All that I know use the audio ( log ) pots  as we have all grown
up experiencing ( Lotta  juice in the first bit  of a  turn and
then it  sortta  smooths out.)


later dude  -- Hope  that answers a few questions .

Later-- RONB.




 BR> Are there any industry standard Audio Amp ICs that deliver approx.
 BR> 10W/RMS per channel I should use for the last stage? I have a couple of
 BR> National Stereo Amps (Lm4755) rated at 11W/channel with low
 BR> noise/distortion specs, I think. 
 BR> I dismantled a very expensive TV to develop the Line-level outputs but
 BR> could only work out speaker taps (no schematic :( they go for over $50)
 BR> and cannot risk/afford to cause any damage by playing around . My
 BR> old TV had Audio/Line-out taps that sounded incredible through the
 BR> Equalizer. :) 
 BR> --
 BR> Keep the faith,

 BR> : Ben        http://bellsouthpwp.net/c/m/cmech617/
 BR> :         ICQ #32457590  AIM/Yahoo:benritchey  Jabber:cMech
 BR> :
 BR> + WildCat! Board 24/7  (337) 232-4155  33.6kBps 8,N,1  Free Software!

 BR> -!- GoldED+/386 v1.1.5-21110
 BR>  ! Origin: FIDONet - The Positronium Repository (1:393/68)



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