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400W not loud enough

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You said your friends rig at his house seems louder? Or did I misunderstand what you said. If he had his rig at your place what was the SPL from his rig? Having the two rigs in the same room is the only surefire way to tell if yours is under performing. Same bass, no effects, "flat tone" settings, same gain setting, then you can know for sure.
 
No, I haven't done an SPL test between my rig and his. You're right though, his basement is a lot bigger than my spare bedroom. I will make it over there w/ my gear, just hate carrying it up and down so many sets of stairs in a day.

You said your friends rig at his house seems louder? Or did I misunderstand what you said. If he had his rig at your place what was the SPL from his rig? Having the two rigs in the same room is the only surefire way to tell if yours is under performing. Same bass, no effects, "flat tone" settings, same gain setting, then you can know for sure.
 
No, I haven't done an SPL test between my rig and his. You're right though, his basement is a lot bigger than my spare bedroom. I will make it over there w/ my gear, just hate carrying it up and down so many sets of stairs in a day.

Let us know? Just don't want to see you chasing a problem that may not really be there, might just be the two different rooms you're hearing them in.
 
I have a Hartke HA4000 w/ a VX410 cab. Wednesday night when my band played (3pc. w/ vocals) I had to turn up my amp so high (3/4) that it started clipping. So I backed her down a little and limped through the night. I realize that w/ one cab, my amp is only putting out 220W, so I borrow a 1x15 Hartke Transporter cab for last night figuring that it'd do the trick. It did, but just barely. According to the volume know, I was just under the same level as Wednesday night. Right under 3/4. Seems like it was just a little louder, but still not comfortably loud enough. I'm afraid that if we play somewhere bigger, that my rig will be inadequate.

My friend (and guitarist from one of my old bands) was there and he said I carried through the place well. I dunno, but at 15 ft. off the stage, it sounded horrible to me. Think phasing could have been an issue? I had a front port cab and a rear port cab stacked up.

Should I really look at upgrading my amp already? Or would another 4x10 cab push more air, giving me enough perceived volume?

My questions:
Are you playing with PA?
If so, does the PA have monitor wedges?
If so, can you use a DI box to not only run your bass signal not only to FOH mains, but also a little into the monitors for a little extra presence/volume for your comfort?

Give those things a shot first, and see if it helps. Work with the soundperson. You may truly need something different, but also, you may just need a few minor tweaks courtesy of the soundperson which costs you nothing. IMO, like all the rest of my thoughts, I think it's at least worth the try.
 
Do me a favor and delete all the off topic posts on who
was right or wrong on conical surface area formulas. They
add nothing to the OP's question and should have been done
on PM.

The tenth grade geometry of conical sections is not the topic
of this thread.

You are welcome to start a thread defining speaker cone
surface areas at your own peril. Expect some rebukes for your
inelegant mathematical analysis of basic driver design from
your peers. Just my .02. :)
 
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