The Cyber-Spy.Com Usenet Archive Feeds Directly
From The Open And Publicly Available Newsgroup
This Group And Thousands Of Others Are Available
On Most IS NNTP News Servers On Port 119.
Cyber-Spy.Com Is NOT Responsible For Any Topic,
Opinions Or Content Posted To This Or Any Other
Newsgroup. This Web Archive Of The Newsgroup And
Posts Are For Informational Purposes Only.
From: email@example.com (Nico Coesel)
Subject: Re: Combine stereo outputs for twice voltage?
Date: Wed, 25 Dec 2002 22:45:50 GMT
NNTP-Posting-Date: 25 Dec 2002 22:46:22 GMT
X-Newsreader: Forte Free Agent 1.21/32.243
James Meyer wrote:
>On 25 Dec 2002 05:47:21 -0800, firstname.lastname@example.org (N. Thornton) wroth:
>>Peter Nielsen wrote in message news:...
>>> I am aware of paralleling amp outputs for more current, and bridge
>>> configurations ... but is there anyway to add indentical signals from
>>> the stereo outputs of an audio amp to derive one channel at twice the
>>Yes. Feed your signal into the 2 channels in antiphase, ie one channel
>>is inverted version of the other. Then attach your speaker from Left+
>>to Right+, with no ground connection. You'll need twice the speaker
>>impedance that the amp would normally run with. Its called a bridge
>>FWIW there are other ways to do it, but this is the practical one.
> The original question was for "identical signals" from both channels.
>That means that antiphase signals can't be used. Peter also stated that he was
>familiar with bridge circuits so he was probably looking for a different way.
Then the OP is probably in for speaker with 2 separate voice coils
(the most economic way to increase output power). I know these type of
speakers exist for sub-woofers in cars.
Reply to nico@nctdevpuntnl (punt=.)
Bedrijven en winkels vinden? Adresboekje.nl
Go Back To The Cyber-Spy.Com
Usenet Web Archive Index Of
The sci.electronics.design Newsgroup