1 amp and one sub

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jtfrog

Member - Posts: 16

Joined: June 30, 2003

Location: United States

Posted: August 24, 2003 at 8:38 AM / IP Logged

I am looking to buy a 4 channel amp so i am able to ugrade along the way. For right now i want to do this. The amp I am loking at can run 4ohm in mono and 2ohm in stereo. I would like to bridge the amp to one sub in my 86 vette. So to get the most power do i want a 4ohm or an 8ohm sub and do I want single or duel voice coils

jtfrog

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DYohn

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Joined: April 22, 2003

Location: Arizona, United States

Posted: August 24, 2003 at 8:41 AM / IP Logged

Get a 4 ohm DVC sub and wire it in parallel for a 2 ohm load. Connect this to 2 channels of your amp bridged for a mono load, so you have 2 ohm speaker being pushed by a 2-ohm stable amp. That will leave the 2 other channels on your amp empty.

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jtfrog

Member - Posts: 16

Joined: June 30, 2003

Location: United States

Posted: August 24, 2003 at 8:52 AM / IP Logged

Dont I have to get an amp that is stable at 2ohm's . Most amps i see are not stable at 2ohm's unless wired in stereo

jtfrog

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DYohn

Moderator - Posts: 10,741

Joined: April 22, 2003

Location: Arizona, United States

Posted: August 24, 2003 at 9:10 AM / IP Logged

OH, sorry, I misread your original post. Going too fast and too early, I guess!

If your amp states it is stable for a "2-ohm stereo" load, then you are correct, it needs 4 ohms when wired mono. Sorry about that. So, scratch my original suggestion and go for a 4-ohm sub with a single voice coil and bridge one set of your 4-channel amp into that. Then if you expand later with a second sub, match the first one and bridge the other two channels to it.

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1 amp and one sub

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