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Why not a PA Cab?

I've never tried it, but if you were to set up your rig with a pre-amp, power amp, and a PA speaker, and then send the same signal from the pre-amp to the mixing board, hypothetically the sound you'd get through the amp on stage would be much closer than to what the PA is projecting than that of a traditional bass rig. This could be a good thing, as you'd know exactly where you're sitting in the mix and be able to adjust your EQ and or playing.
 
as far as adding a port on for a sealed cab...would that be to prevent damage to different woofers types or would it just be for tonal preference (ported = more low end / sealed = tighter low end)? A lot of the 2x15's and older 8x10s i see are all sealed...including the classic ampeg 8x10 stack. So would this just boil down to preference?

More low end to match new woofer specs.
 
Sure-go get it if you want to. Only thing I'd want to be sure of was power handling capability vs the head I'd be using (yes yes, and actual physical health of the cab). I've used'em before of various types ----no prob.

I would not bother to port it and go thru that hassle, plus maybe therefore imbalancing (if I may use that word) the specs built into the cab in the first place.
 
groooooove - Frequency Response: 46Hz - 18kHz

+ or - how many dB? 1dB, 3dB, 10dB? Frequency response stats, are utterly useless with out this info.

marklaforest - I've never tried it, but if you were to set up your rig with a pre-amp, power amp, and a PA speaker, and then send the same signal from the pre-amp to the mixing board, hypothetically the sound you'd get through the amp on stage would be much closer than to what the PA is projecting than that of a traditional bass rig. This could be a good thing, as you'd know exactly where you're sitting in the mix and be able to adjust your EQ and or playing.

+1. I too haven't tried it, but I like the idea.
 
+ or - how many dB? 1dB, 3dB, 10dB? Frequency response stats, are utterly useless with out this info.

Long as we're being sticklers: even with a published deviation (eg, "±3dB") frequency response stats are uninformative except in the grossest sense. If a cabinet was +3dB at 100Hz and -3dB at 125Hz and +3dB at 160Hz and -3dB at 185Hz it would still correctly be described as "±3dB"...but it would sound anything but linear. You want graphs. And graphs with decent enough resolution to represent critical deviations.

And carrots.
 
Long as we're being sticklers: even with a published deviation (eg, "±3dB") frequency response stats are uninformative except in the grossest sense. If a cabinet was +3dB at 100Hz and -3dB at 125Hz and +3dB at 160Hz and -3dB at 185Hz it would still correctly be described as "±3dB"...but it would sound anything but linear. You want graphs. And graphs with decent enough resolution to represent critical deviations.

And carrots.

Quit right.

Did you read the same Yamaha SR Handbook, as me?
 
In my opinion, If you're thinking about buying something like a big Accugroove or building a 3-way fEarful three way, you're better off saving for a rack-mount SansAMP or a really nice pre-amp. Those cabs are the basic equivalent to a PA cab, and therefore wont be coloring the sound, or imparting a tone. You know, like a stage monitor.