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I have connected 6 speakers to my amp why does it keep cutting off

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Try it with only two speakers.

Does it have 6 channels? if not you may have damaged one of the output amps.

When you connect more than one speaker per terminal (in parallel) it lowers the impeadance and the lower the impeadance the less stable the amp.

You can google "parallel speaker circuits" to learn more

Posted on Feb 03, 2009

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Nad c320bee keep over heating


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Disconnect all speakers and switch ON the set without any input connected, and see whether it heats up. A moderate heat is permissable, but should not over heat. If it overheats without any load or input connected, the set need service. OK.

Jan 19, 2012 | NAD Audio Players & Recorders

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I have a kenwood 350watt amp on 2 mtx thunder 12's


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Check the impedence of the connected speakers. if any impedence mismatch is there, the amp will sense it and will cuto the output OFF. Use only specified speakers only. The impedence of speakres are expressed in "Ohms". Select all speakers of same impedence. If 6 Ohms is the output impedence of the amp, use only that Ohms speaker. Never use a speaker less that this Ohms. You can use a higher impedence speaker, say 8 Ohs or 16Ohms. But never use lower impedence speakers, of connect two speakers in parellel connection, which will relult in overloading. I think that I've made a satisfactory solution to you. Please don't hesitate to rate this solution. Good luck
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My subwoofers cut out after 30 seconds of use but work fine during the 30 seconds...my fuses are all fine and i'm running thick wire with an 80 amp fuse connected off battery...I have a lanzar vibe286...


If it's only your subwoofers cutting out and your speakers are still playing and all, try turning gain down on sub amp and see if that fixes it. I know if I crank my amp too high it kicks itself off to try to keep itself from blowing.

Aug 21, 2011 | Car Audio & Video

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Can I connect 4 ohms speakers on the AVR 230? Thanks


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Output impedence of 95% of Herman Kardon sets are desighed for 6 Ohms speaker. There is an output speaker sensor circutary it it which sense the impedence of the connected speaker. it is a built in feedback circuit and is ment for protection for both speakers and power amplifier section of the amp. If you connect a 4 Ohms speaker, the set will sense it and there is a chance to get it tripped as you increase the volume. Just connect and check. Advance the volume of the set very gently. If tripping occurs or it just cut off as soon as switch ON, never connect it again. OK.

Jul 27, 2011 | Harman Kardon AVR 230 Receiver

1 Answer

I have Wharfdale 4000 Xarus speakers connected to my Pioneer VSX 817, the last 6 months it keeps saying overload when i have the volume further than 40db. Never use to do it... and i have re wired the...


Testing your amp at max with the speakers disconnected will not play a factor because there is no power being drawn so the amp is not being used. Those speakers are rated 90db and really pound but also draw a ton of amps. The key thing here is to keep it cool, cool, cool. Put a fan on it and keep your receiver on a hard surface with nothing stacked on top or anywhere within a foot of it. Keeping it cool will help prevent overloads or (protection mode). Back it down every now and them and give the system a rest for a few minutes. Double check the negative and positive connection on the speakers to the receiver. We all have hooked them up backwards sometime and this will have the effect you are expressing. What is the phase set at on your receiver? Set it down to "0" and go up to where it sounds best without distortion. One more very important thing. What is the Ohm switch on your receiver set at? Put the switch on 8 Ohm even though your running 6 Ohm speakers. That switch only steps down your voltage feed to the power selections which will hamper the overall dynamics and fidelity of your receiver. This switch is really not even necessary. Putting that switch at 8 Ohms will give you more headway and aid in keeping your amp cool.
Regards, Tony

Mar 24, 2011 | Pioneer VSX-817-S

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Speaker comes in and out... woofer blown im guessing.. what can i do to fix it before i end up sending it to m audio to be repaired


Does the tweeter keep playing when the woofer cuts out?

It is rare for a speaker to cut in and out, check all wiring connections and if possible connect it to a different amp to test, the amp can cut in and out just like a speaker. Try switching it with another speaker and see if it cuts out aswell.

Hope this helps!

Thanks

Jan 22, 2010 | M-Audio Studiophile BX8a Speaker

1 Answer

My amp keeps going in and out of protect mode every few seconds it cuts off and then it will cut back on and so forth


Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} Your amp is probably OK. The volume is either set to high or the speaker load is to low of an impedance. Remember 2, 8 ohm speakers connected is the same as 1, 4 ohm speaker. Another possibility is that you do not have enough battery power coming to the amp itself. A simple rule I use is take the watts and divide by ten, that will give you an approximation of the amps needed on a 12 volt system. This takes into account some of the losses in the amp, but it is only an approximation. For example 300 watts RMS is 30 amps, which will require a number 8 wire to keep the losses at a minimum. You can check wire drops on the web.



Good Luck,
Gilshultz

Nov 29, 2009 | Infinity 475A Car Audio Amplifier

1 Answer

Cuts off and displays "Protect"


The protect light comes on when the amp cuts off the speakers to protect them from damage if something's wrong in the amp, or to protect the amp from speaker or wiring problems. If the amp plays for a while before cutting off, it's probably a thermal problem in the output stages. One of the output devices may be acting up as it heats up, or it could be bad connections that open up because of the heat. The trouble might also be caused by components in the power supply as well. Without having the unit on the service bench to check it, it's not possible to suggest specific things to look at. The manual wouldn't help you other than to say check your speaker connections and then have it serviced. The best thing to do if you want to keep this is to find a servicer in your area and get an estimate for the repair. Or if you or a friend is technically inclined, look into purchasing a service manual and see if you can do-it-yourself.

Apr 23, 2009 | Harman Kardon AVR 230 Receiver

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Another question for zzedly about the speakers cutting out


So, as I see it, your system is hooked up like so:
  • Ch1 = Left speakers, front and back
  • Ch2 = Right speakers, front and back
  • Ch3 = One sub
  • Ch4 = Other sub
One thing you can try is swapping channels. Swap Ch1 with Ch3 and Ch2 with Ch4. Then see if the issue still occurs on the door speakers or do the subs suddenly cut out at loud volume. If the subs start cutting out, that means the issue is with Ch1 and Ch2. If you haven't already, check the RCA connections to Ch1 and Ch2 as well as the gain for all channels. If the gain isn't already set to about 50%, put it there.

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Cutting out intermittent problem


If the voltage is dropping to 8v, it sounds like there is a problem with either the B+ line or the ground connection. You should also check the voltage across the battery terminals to see if the voltage is dropping at the source.

The amp may be going into protect mode. Disconnect all speaker wires from the amplifier's terminals. Also disconnect the RCA cables from the amp. Does it still go into protect?

Insert a 20 amp fuse in the B+ line and try to power it up. If the fuse blows with no speakers connected to it, the amp probably has a blown channel.

Dec 05, 2007 | JBL GTO75.4 Car Audio Amplifier

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