what ohm load would this produce?

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jerad73

Member - Posts: 4

Joined: July 09, 2007

Posted: June 07, 2009 at 8:11 PM / IP Logged

4 subs, 4ohm single voice coil.

all 4 positive wires are connected to the positive terminal on the cup

all 4 negative wires are connected to the negative terminal on the cup.

would this make a 1ohm or 4 ohm load?

i am an idiot

Platinum - Posts: 13,672

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: June 07, 2009 at 8:17 PM / IP Logged

Four 4 ohm Single Voice Coil (SVC) Speakers

Option 1 (parallel) = 1 ohm load

Speakers wired in parallel

Recommended Amplifier: Stable at 1 ohm mono

what ohm load would this produce? -- posted image.

Option 2 (series/parallel) = 4 ohm load

Two pair of speakers, each pair wired in series, then wired in parallel

Recommended Amplifier: Stable at 4, 2, or 1 ohm mono

ben_c_8

Member - Posts: 13

Joined: February 19, 2009

Location: Ohio, United States

Posted: June 08, 2009 at 1:52 PM / IP Logged

yes the loads add together, two single 4 ohm would be 2 ohm...3 will be an off number, and four will be one.

Ben carnes-2ma hk15x2 + 5500d

haemphyst

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Joined: January 19, 2003

Location: Michigan, Bouvet Island

Posted: June 08, 2009 at 3:36 PM / IP Logged

ben_c_8 wrote:

...3 will be an off number...

It's a technical term... VERY industry specific.

ben_c_8, they don't add together, except in series. He is asking about parallel. "Impedance of each voice coil divided by the number of voice coils". That's not additive.

It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."

i am an idiot

Platinum - Posts: 13,672

Joined: September 21, 2006

Location: Louisiana, United States

Posted: June 08, 2009 at 4:44 PM / IP Logged

The "off number" would be 1.33

https://www.the12volt.com/caraudio/woofer_configurations.asp

https://www.the12volt.com/caraudio/boxcalcs.asp Scroll down a bit and there are a series and a parallel calculator.

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what ohm load would this produce?

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