CarAudioForum.com

Go Back   CarAudioForum.com > UseNet Gateway > F.A.Q. > Installation

Reply
Old 07-16-2002, 05:49 AM   #1
Lee

Administrator
 
Join Date: May 1997
Location: Pensacola, FL
Posts: 22,277
Lee has a reputation beyond reputeLee has a reputation beyond reputeLee has a reputation beyond reputeLee has a reputation beyond reputeLee has a reputation beyond reputeLee has a reputation beyond reputeLee has a reputation beyond reputeLee has a reputation beyond reputeLee has a reputation beyond reputeLee has a reputation beyond reputeLee has a reputation beyond repute



Wiring speakers "in series" and "in parallel?"

Quote:
5.9 How do I wire speakers "in series" and "in parallel?" [IDB]
Wiring speakers in series involves connecting at least two speakers so that the first speaker's positive lead is connected to the amplifier's positive terminal, and the negative lead is connected to the positive lead of the second speaker. If there is a third speaker, its positive lead will be connected to the second speaker's negative lead ... and so on. The last speaker in the chain will have its negative lead connected to the amplifier's negative terminal.

Speakers that are wired in parallel are all connected to the positive and negative terminals of the amplifier. So, when two speakers are wired in parallel, you'll connect each speaker's positive lead to the amplifier's positive terminal, and you'll connect each speaker's negative lead to the amplifier's negative terminal.

Be careful when wiring multiple speakers in parallel or series so that you do not exceed your amplifier's rating. To calculate the effective impedance of a number of speakers, use the following formulas:

Series Connections:

Z(t) = Z(1) + Z(2) + Z(3) + ... + Z(n)

That is, add up all of the impedances for each speaker to
get the total impedance. For example, with 3 4-ohm speaker
in series, the total impedance is 4 + 4 + 4 = 12 ohms.

Parallel Connections:

1/Z(t) = 1/Z(1) + 1/Z(2) + 1/Z(3) + ... + 1/Z(n)

That is, add up the inverse of the impedance of each
speaker and invert the sum to get the total impedance. For
example, with 3 4-ohm speakers in parallel, the total
impedance is 1 / ( 1/4 + 1/4 + 1/4) = 1 / (3/4) = 1.33 ohms.
Lee is offline   Reply With Quote

Sponsored Links
Help Syrian Refugees Survive. Donate Now!
Or text REFUGEES to 50555 to give $10 to USA for UNHCR
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off

Forum Jump


All times are GMT. The time now is 08:44 PM.
Powered by vBulletin® - Copyright © 2000 - 2017, Jelsoft Enterprises Ltd.
Copyright 1996 - 2011 by CarAudioForum.com - all rights reserved.