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Hooking up speakers to amp

I have recently upgraded my home stereo amp. The previous home stereo and amp came with 2 speakers, each having 4 wires for 4 speaker output connections on the amp for each speaker. My new amp has 2 speaker output connections for each speaker, + and - . Can I hook up the 4 wire speakers to the 2 wire speaker connections on my new amp and if so, how?

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Re: Hooking up speakers to amp

YES ! This is usually ok, the speaker cabinet should contain a high pass filter or crossover on the tweeter to decouple it from the low frequency signals. My Linn Index speakers are wired like this.

Posted on Sep 22, 2007

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How to hook speakers up to a realistic mpa-40

The MPA-40 is a mono public address amp. So it has one speaker output. You select the appropriate socket to suite the speaker type. The 4/8/16 Ohm outs are for various tpyes of Hi-Fi speaker. The 70 Volt is used for muzak in shopping centres, restaurants, and waiting rooms.


If you have a pair of 8 ohm Hi-Fi speakers, you can diasy chain the connections and then use the Com and the 16 Ohm connection.

Daisy chain means you take the wires from a pair of speakers. Connect together the wires going to red on one speaker and black on the other. This now leaves you with two wires going to the other red and black terminals on the speakers, but the ends in your hand are not connected to anything yet. Plug the black in to COM. Plug the red in to 16 Ohm.

The sound from the speakers won't be stereo. It will be mono because that's all the amp outputs. But both speakers will work so long as they're functioning units.

If you have two 4 Ohm home theater speakers then you can do the same trick. 4 + 4 makes an 8 Ohm load. Connect the red to the 8 Ohm output.

Don't be tempted to try to connect to multiple terminals. The amp isn't powerful enough to to run more that one speaker chain.

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Sep 15, 2014 | Amplifiers & Preamps

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I have 4 speaker wires, black green red white speaker left + speaker right + speaker left - speaker right - which cable goes where?

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Try less speakers.
The impedance will be to low for this amp.


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I am playing my stereo with the su-g95 amplifier what can i do to play all 4 speakers at the same time.

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Because your amp has 4 channels on it on side A you can connect 2 speakers for left and right and the B you can do the same. your red is positive and black is negative. so in total you can have 4 speakers connected to your amp

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Good Luck,

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Sounds like classic dry joint on speaker terminal ROTELS are well known for it,if you can use a soldering iron or know someone who can resolder the pins where these terminals are connected,always make sure amp is unplugged from wall socket before ...

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Appears to be no output signal from P2500S

Make sure you use the sleeve as ground reference on the 1/4" connector then check that aginst the ring and or tip and then you should see something on the oscilloscope. Let me know if that works. Have you tried hooking up some speakers? We can live chat if that help you any. Let me know Guru Jay

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