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How do I connect this subwoofer??

A long time ago, a very wise man once told me, "Now Greg, here's what you got to do. Fleet ownership. Pick one brand, what ever it is, for what ever reason, and stick with it".
Many years later, there is a ring of truth in that. Most big sound companies, buy a brand of whatever, and always use that as their flagship brand. EAW, Meyer, L-Acoustics, etc.. no matter what brand they picked, they usually go all in. That is until there is something new. Then the do it all over again.

Note to PA Co owners:
((I know I know, super big pa co's have multiple brands. But they still huge quantities of each, and keep them (mostly) together. They wouldn't send out a DB line array out with a JBL sub system for example. Usually.))

Now how that translates to the small PA owner, (us), it still makes sense. If you buy QSC tops, then you SHOULD be getting QSC everything (speakers/amps/mixers/etc.). And so on.
So for you, since you already have an investment in the yammys, it just makes sense to get more yammys. It doesn't make sense to get more gemini's, in this case. Its not the strong part of the system.

Good luck on your (now never ending PA procurement adventure) endeavors.
Oh, and BTW I know that having/moving/using/maintaining/etc PA is a pain in the ass. Clearly.

Don't have any answers for that, except throw money at it :-)
 
Now how that translates to the small PA owner, (us), it still makes sense. If you buy QSC tops, then you SHOULD be getting QSC everything (speakers/amps/mixers/etc.). And so on.
So for you, since you already have an investment in the yammys, it just makes sense to get more yammys. It doesn't make sense to get more gemini's, in this case. Its not the strong part of the system.

Good luck on your (now never ending PA procurement adventure) endeavors.
Oh, and BTW I know that having/moving/using/maintaining/etc PA is a pain in the ass. Clearly.

Don't have any answers for that, except throw money at it :-)

The only addition I'd say to the first quoted part is to keep in mind that some different "brands" are all owned by a single company and their stuff plays quite well together..

DBX, JBL, Crown are basically the same brand... All that stuff mixes quite well.

The only advise that hasn't been given so far (that I read) is to start looking for used equipment at first. That way if you blow it up learning how to use it, it is less costly in the long run ;)
 
Doesn't this mixer have a mono out? My EMX512sc does, that's how I run our sub.

His concern with using the st sub out is that there is no way to "properly" highpass the mains to get the most from adding subs (freeing up power for use on what the mains can do best and reducing distortion in the mids from bass freq handled by the subs).
 
A long time ago, a very wise man once told me, "Now Greg, here's what you got to do. Fleet ownership. Pick one brand, what ever it is, for what ever reason, and stick with it".
Many years later, there is a ring of truth in that. Most big sound companies, buy a brand of whatever, and always use that as their flagship brand. EAW, Meyer, L-Acoustics, etc.. no matter what brand they picked, they usually go all in. That is until there is something new. Then the do it all over again.

Note to PA Co owners:
((I know I know, super big pa co's have multiple brands. But they still huge quantities of each, and keep them (mostly) together. They wouldn't send out a DB line array out with a JBL sub system for example. Usually.))

Now how that translates to the small PA owner, (us), it still makes sense. If you buy QSC tops, then you SHOULD be getting QSC everything (speakers/amps/mixers/etc.). And so on.
So for you, since you already have an investment in the yammys, it just makes sense to get more yammys. It doesn't make sense to get more gemini's, in this case. Its not the strong part of the system.

Good luck on your (now never ending PA procurement adventure) endeavors.
Oh, and BTW I know that having/moving/using/maintaining/etc PA is a pain in the ass. Clearly.

Don't have any answers for that, except throw money at it :-)

Your point is well taken to stick with 1 brand. That's probably especially true for me, when really all I want to do is play and sing and not have to worry about the PA at all. If I had more money to throw at it, I may as well just hire sound every gig and never worry about anything. I haven't had a gig with this Yamaha/Gemini setup yet where I actually got it to work, but as soon as I do I'll report on my findings.
 
Gotcha. For the future, I'll have to figure out which part of the system it makes the most sense to replace - mixer? tops? etc. Seems to me that 12" mains would be better for many reasons when using subs (clearer, more compact and lighter). I'm really trying to keep the whole system down to a minimum manageable package. Once it starts getting into separate amps etc. the carrying load gets to be quite a pain.

I bet you can juggle levels to make it sound really good with full range sound going to the mains; you'll probably just want to EQ a little lighter on the bass and turn the sub up to compensate.
 
His concern with using the st sub out is that there is no way to "properly" highpass the mains to get the most from adding subs (freeing up power for use on what the mains can do best and reducing distortion in the mids from bass freq handled by the subs).
Yes there is. Buy or build a properly designed 12dB/octave passive crossover at 100Hz. Actually you'll need 2, one for each mains box.

Heck I'd even try just adding a 6dB HP filters at about 200Hz which is basically just a $5 crossover capacitor in series. Higher order filters sound better but cost more. Even 6dB filters out enough low stuff that it reduces speaker movement.
 
If you like wasting power, yes that's fine..
Actually of you keep the speaker excursion to a minimum, you can push the system even harder and get MORE SPL, not less.

Case in point, a sound guy friend of mine built some wedges that had 2x8" speakers + horn. He wasn't using them - he said they crapped out too early and the seemed to dance across the stage. I offered to try and fix them and figuring he had nothing to lose, he agrred to let me have a play with them.

First I added some bracing, that took care of the panel vibrations and the cab no longer danced across the floor. But I couldn't get them loud enough for bands and speaker excursion was clearly my limiting factor. So I added a 300uf capacitor to act as a 1st order HPF at 130Hz (4 ohm speakers). Problem solved. Those speakers are now in his "A Rig" after sitting in his warehouse for years on a mistaken assumption.