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Posted on Aug 21, 2007
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Connecting speakers I have a qsc rmx 1450 amplifier and i have to pair of speakers, one pair is 8 ohm and the other pair is 4ohm. Questions 1. Can I connect the 8ohm pair to one channel and the other 4ohm pair to the other channel ? 2. How should I connect them in series or in parallel ? Thanks JPDuque

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Mike Ryan

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  • Expert 98 Answers
  • Posted on Aug 21, 2007
Mike Ryan
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Joined: Oct 21, 2006
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I have never heard of this brand of amplifier.. but NEVER hook up unequal ohm loads to a amplifier. the only way i could think to do it would be to hook up 1 of each sub on each side... what way you are spreading out the ohm load equally on both sides but again if you dont do your math and you run too low of a ohm load you WILL smoke that amp..

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0helpful
1answer

Mixer signals is on but qsc 1450 amp not giving any sound when main output is connected but when run aux send to amp it gives sound. What might be the problem.

If you are experiencing an issue where the QSC RMX 1450 amplifier is not giving any sound when connected to the main output of your Mackie 16 OK mixer, but works when connected to the aux send, here are some possible causes and solutions:
  1. Check the main output level on the Mackie mixer. If the level is too low or muted, this can cause the amplifier to not produce any sound. Increase the main output level on the mixer and check if the amplifier produces sound.
  2. Check the cables connecting the mixer to the amplifier. If the cables are damaged or not connected properly, this can cause the amplifier to not produce any sound. Ensure that the cables are connected securely and are not damaged or broken.
  3. Check the amplifier settings. Ensure that the amplifier is set to the correct input source and that the input gain level is set correctly. You may also want to check if there are any protection modes or limiters enabled on the amplifier.
  4. Check the speaker connections. If the speakers are not connected properly or are damaged, this can cause the amplifier to not produce any sound. Ensure that the speakers are connected correctly and are not damaged.
  5. If none of the above steps work, there may be an issue with the mixer or the amplifier. You may need to contact a qualified technician to further diagnose and repair the problem.
Remember to always follow the manufacturer's instructions and safety guidelines when working with audio equipmen
1helpful
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How do i set the switches on a qsc rmx 1450 power amplifier

All off, except The "Clip Limiter" Those should be on for your speaker protection.
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Not putting out sound fan on light on

Hello,

A common issue with the QSC RMX series amp is faulty volume pots, so i would recommend go this way first of all, let me know a bit more to improve help.
1helpful
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Amp 5050 rmx stay in clip mode

Disconnect speakers. With NO input, if clip light remains on, take in for repair as there is an internal failure. If reducing the gain and loudness keeps the clip off, then you are probably driving the amp too hard. This is common problem when the user "thinks" they need it louder but the amp speaker combination will not deliver louder. At this point, both the amp and the speakers are at risk of permanent damage requiring repair.
0helpful
1answer

I have a plad213 what load impendance am i running it i hook up 2 4ohm speakers in series bridged on that amp and how many watts RMS am i getting per speaker

2 4 ohm speakers wired in series is 8 ohms and then is dropped back down to 4 ohms when you bridge it.

2 4 ohm speakers wired in parallel is 2 ohms then dropped down to 1 ohm when bridged
(most amplifiers will not handle loads below 2 ohms)

hope this info helps
0helpful
1answer

Im a dj and i keep blowing one channel on my amp it has happened on a 3 differant amps now

Hi.

Check speaker wiring. An amp final channel usually blows because of excessive draw from speakers. This often happens because one of the speaker is shorted inside or because of a wiring problem.
Also ensure that speakers are responding to specifications. Speakers that are out of the amp Ohms range will do the same thing in a while.

Naturally you can also blow an amp final by pumping volume to the max for a while. The transistors or the STK ICs in the final section will overheat and blow.

Regards.

Ginko.
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0helpful
1answer

How to hook up 2 10 inch speakers

For best results the output resistance of the amplifier must equal the combined resistance of the speakers. So if the amps says 8 ohms and you have two 4 ohm speakers you put them is series or if the amps says 4ohms and you have two 8 ohm speakers put them in series. If it says 4ohm and you have two 4 ohm speakers best to use only one. It Depends on the output resistance of the amps. It is usually written at the terminals where the speakers are connected.
0helpful
1answer

Wiring

The T10001 can drive a load lower than 4 ohms. Wire the coils of the individual speakers in series to make each speaker 8 ohms. Then wire all 3 speakers in parallel and connect them to the amp. This will give you a 2.6 ohm load.
0helpful
3answers

Behringer ep2500 amplifier

Yes you can,,,,,BUT the output labelling on the AMP will tell you where you can connect the 4ohms or the 8ohms....please read these labels and connect the 4ohm speakers to the 4ohm terminals, and the 8ohms to the 8ohms terminals...

If you intend to connect the 4ohm and the 8ohm speakers in parallel then the output impedance terminals you use should be the 4ohm ones.

If there is no labelling showing any 4ohm output terminals then its best if you dont use the 4ohm speakers at all....just connect the 8ohm to the 8ohm terminals...you dont mention any crossover networks inside the speaker boxes or if you have tweeter speakers... so just stick to the basics above at present....

Cheers From YUBEUT
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