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List:       linart
Subject:    Hafler (was: the 'bootlegs')
From:       Thomas Uwe Gruettmueller <sloyment () gmx ! net>
Date:       2002-02-16 9:46:45
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On Friday, 15. February 2002 15:47, Michael Stutz wrote:

> Dunno, but I've got that Brian Eno three-speaker stereo
> arrangement in my living room, "the third mind": normal l and
> r stereo, plus a middle speaker plays the sounds unique to
> either channel:
>
> http://www.no-fi.com/droneon/7.html#7.1
>
> http://www.onhifi.com/askwes/ask0028.htm
> (search for "Hafler")

When I heared a Dolby Surround amp for the first time, I 
noticed, that the signal on the rear speakers is simply the 
difference signal, too.

So I connected my boxes to my stereo amp like this:

    .-----------------------------.
    |             |    speaker    |
    |   amplifier |  front  rear  |
    |    outlet   |   L  R  L  R  |
    |-------------|---------------|
    |   A - left  |   +           |
    |    ground   |   -  -        |
    |   A - right |      +        |
    |   B - left  |         -  +  |
    |    ground   |               |
    |   B - right |         +  -  |
    `-----------------------------' 

This is basically the same as the four speaker Hafler circuit, 
except that the rear speakers are interchanged. This way, you 
get better reverb effects.

cu,
Thomas
 }:o{#


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