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Can I connect only one speaker to a yamaha emx 312 sc power mixer?

How can I connect only one PR 15 Peavey speaker to a Yamaha emx 312 sc power mixer? I know the mixer is stereo and I have 2 pr 15 speakers, but if I needed to save space, could the mixer be used to power a single mono speaker?

Posted by Alan McConville on

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David Payne

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Set to mono and turn your balance to one side. problem solved. very old trick. done it many times.

Posted on Aug 01, 2015

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thompsonfix

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First it is certain that you would not want to plug both outputs of the stereo power amp into one speaker combining both channels into the same speaker. (see image from manual below - also link to manual)

Next I would be very concerned about only using the one side of the main amp out as it could cause an unbalanced load, or you could be driving the load into dead air connection and any of these conditions are destined to cause premature failure of the power amp.

Taking a quick scan of the manual for this unit, it appears what is pretty common to most powered mixers, hook up two matched speakers/loads to each chanel of the output.

Your best bet is to shed those monster cabs, there really is no need for them especially with this sized powered mixer, and get yourself a nice pair of full range cabs like EV1202;s, EV SX300's, or some nice 2 or 3 way 15" JBL's/

Just my opinon.

Link to Yamaha EMX 312 Owner's Manual:

Yamaha EMX Series Owners Manual


can I connect only one speaker to a yamaha emx 312 - 6d808d37-09a3-43cc-9359-fa69a96128e5.jpg

Posted on Dec 06, 2013

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Andrew Conroy

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SOURCE: The speaker connected to my

Assuming that you have checked the speaker leads for broken connections and that you know the speakers themselves work okay (test with a different amp) and that you can hear sound on the headphone socket

  1. Check that you actually have the power amp switch in the right position for the outputs (monitor jacks or main neutrik/speakon sockets) that you are using (see page 25 of the manual)
  2. That your speakers are connected to the speaker outlets on the rear panel and not the 'main outputs' on the front panel, which are for use with a separate power amplifier
  3. Check the mute button is not in
  4. You have turned both the master volume controls up.
If none of the above solves the problem it is likely that the overload protection fuses on the amplifier output stage have blown and need replacing - take to a repairer
You can find the user's manual here
http://www2.yamaha.co.jp/manual/pdf/pa/english/mixers/emx512sc_en_om_d0.pdf



Posted on Feb 10, 2011

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You can find the user's manual here
http://www2.yamaha.co.jp/manual/pdf/pa/english/mixers/emx512sc_en_om_d0.pdf



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