Question about Legacy LA588 Car Amp

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Capacitor I have V12D4 12-in 600 watt duel voice coil to aLegacy LA568Predator Series 2 Channel800 Watt BridgeableMosfet Car Amplifier withRemote Control Bass. Would any capacitor be good for this system?

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  • kjack20 Jul 26, 2009

    The amp is a LA568

  • kjack20 Jul 28, 2009

    Will it give me more power? Anyone know?

  • Infinitebaff May 11, 2010

    Forget it... use at least 4awg power cable, upgrade your BIG 3, thicker wiring from ALTERNATOR to BATTERY, upgrade grounds, even upgrade your battery... the less voltage drop you have across the distance of your power wire the better for the efficiency of your system... capacitors are bandaids for bigger problems

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You usually don't need a capacitor because your car can keep up with the power requirements, especially since your system isnt too big (no offense). But if you wanted to get one, i would only get a 1/2 or 1 farad cap.

Posted on Jul 27, 2009

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I have 2 duel 12' 2ohm sub's and a blackmore bac m-50 2000 watt 4ohm amp and was wondering how to wire. Thanks!


boz word of caution is to be heeded. with 2x2 ohms per speaker, you can only use one, with the voice coils ran in series to increase the resistance to 4 ohm . take a single driver, and use the series wiring on with both of the 2 ohm voice coils.

wire positive from the amp into positive of one voice coil, then the negative of that voice coil to the positive of the second voice coil 9bridging with 6 gauge or so, as was also mentioned by a previous user), then lead the negative of the second voice coil back to the amp's negative terminal.

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How do you wire a AW1000V to 1 amplifier?


The easiest way to wire this would be to make sure you have a 2 ohm amp, wire both voice coils in parallel to the amp. This means to connect both + terminals on the speaker to the + speaker output on the amp, then wire both - terminals on the speaker to the - speaker terminal on the amp. With the voice coils in parallel like this it makes it into a 2 ohm load at the amplifier. If you are running for example a 1000 watt amp at 2 ohms into this speaker it would give each voice coil the equivalent of 500 watts of power at 4 ohms. The other way would be to run the voice coils in series (voice coil 1 - terminal to - speaker terminal on the amp, voice coil 1 + terminal to the voice coil 2- terminal, voice coil 2 + terminal to the +speaker terminal on the amp.) The series wiring would give you a 8ohm speaker load to your amp so you would need a 8 ohm amp.

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Finding the best amplifier


Hello sharky75,

That 1600 watt peak power figure for your subwoofer can't tell you what amp you need. You need to know the maximum RMS power the sub can handle. And you need to know the impedance (ohms) of the voice coil(s). JBL GT5 series subs have an RMS rating of 275 watts. The GTO series handles 300 watts. The Power series handles 400 watts. The GTi series handles 700 watts. Some are single voice coil, so the impedance is fixed. Others are dual voice coil allowing you to wire them for different impedance loads.

For maximum performance your amp should be able to provide at or near the same number of watts RMS into the lowest impedance at which the sub can be configured. For example, if your sub is the Power Series Model number P1224, it has dual 4ohm voice coils and can be wired to present either a 2ohm load (parallel) or an 8ohm load (series). You want to wire the voice coils in parallel for the 2ohm load and select an amp that outputs up to 400 watts RMS into 2ohms. The Orion Cobalt CO8001 is just such an amp. If you have one of the GTi Series subs, a better amp would be the JVC Arsenal KS-AR75 which outputs 700 watts into 2ohms.

Hope this helps.

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1 Answer

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it all depend on were you are putting these subs at. the dimesion on the trunk of a honda to a lincoln are vastly different

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Visonik V12D4


i would wire the coils of each sub in series which would yield an 8 ohm resistive load per sub - and then wire the subs in parallel to the amp which would bring the resistance back to 4 ohms for a bridged load which will give you max power handling from the subs and draw the full power of the amp at the same time

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Wireing diagrams


Hello stingerman20,

Your Directed D2400 amp is CEA2006 Compliant. It is stable at 1ohm and will produce 1,200 watts into that load. So you want your subs wired as close to 1 ohm as possible.

The only 3500 watt Pioneer Premier series subs I could find were the models number TS-W3002D2 and TS-W3002D4 with dual 2ohm and dual 4ohm voice coils respectively. The wiring options for the D2's result in 0.5ohm (too low), 2 ohms, and 8ohms. Your best option would be the 2ohm configuration which would be voice coils in series and subs in parallel. Options for the D4's result in a 1ohm load and a 4ohm load. Your best option would be the 1ohm configuration which would be voice coils and subs parallel.

To see the wiring options, try Rockford-Fosgate's "wiring wizard".
Select 2 woofers and the appropriate voice coil impedance and quantity and click "search". It'll bring up all of the possible wiring configurations along with the final impedance load.

Hope this helps.

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1 Answer

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You should run the voice coils in series so you would load your amp with 3 ohms.

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1 Answer

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2x12 in sub each duel voice coil can iether wire to 1 or 4 ohms. im guessing you have everything wired up in series (1 ohm) and aer probably burning out the amp.

http://www.crutchfield.com/learningcenter/car/subwoofers_wiring.html?imageID=2DVC%5F4%2Dohm%5Fmono

Feb 25, 2008 | Car Audio & Video

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