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stereo music to mono intercom

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Erich_Weaver(at)URSCorp.c
Guest

Posted: Sat Jul 22, 2006 11:43 am Post subject: stereo music to mono intercom

Greetings



I would like to make use of my iPod using the single music input for my PS

Engineering PM1000 (mono) intercom.  I can power the iPod easily enough

using the cigarette lighter adapters, but not sure about how to wire from

the headphone jack to the intercom and the implications of going from

stereo to mono.  Can anyone provide some instructions or a reference

suitable for this electrically challenged soul?  Searched the archives but

didnt find anything specific on this - it does sound as though I may have

an issue with the iPod output not providing sufficient volume, correct?  If

thats the case, is there any easy fix available?



thanks for any help you can provide.



Erich Weaver



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brian

Joined: 02 Jan 2006
Posts: 643
Location: Sacramento, California, USA

Posted: Sat Jul 22, 2006 1:01 pm Post subject: stereo music to mono intercom

On Jul 22, 2006, at 3:34 PM, Erich_Weaver(at)URSCorp.com wrote:



 	  Quote: 	
		   stereo to mono.  Can anyone provide some instructions or a reference

 suitable for this electrically challenged soul?  Searched the  

 archives but

 didnt find anything specific on this - it does sound as though I  

 may have

 an issue with the iPod output not providing sufficient volume,  

 correct?  If

 thats the case, is there any easy fix available?


	


The simplest answer is to take the right and left channels and  

combine them into a single channel using a pair of 100 ohm resistors.  

You can do this in the jack to the PS-1000 intercom so that you can  

plug in any stereo source.



Here:



   Stereo Jack



          .---------R1--+----> to audio input on PS1000

     |   /              |

     |  v               |

     |    ^             |

     |     \--------R2--+

     +----+

          |

        ground



Brian Lloyd                         361 Catterline Way

brian-yak AT lloyd DOT com          Folsom, CA 95630

+1.916.367.2131 (voice)             +1.270.912.0788 (fax)



I fly because it releases my mind from the tyranny of petty things . . .

— Antoine de Saint-Exupéry

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_________________
Brian Lloyd
brian-yak at lloyd dot com
+1.916.367.2131 (voice) +1.270.912.0788 (fax)

I fly because it releases my mind from the tyranny of petty things . . .
- Antoine de Saint-Exupery

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