15" speakers for guitar cabs


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Mathamology
09-04-2008, 11:23 AM
Any beneficial difference between a 15" and 12" speaker? I was thinking of constructing a 4 speaker cabinet, and was thinking of installing two 15" speakers along side two 12" speakers.

Any good 15" speaker suggestions?

AngusJimiKeith
09-04-2008, 11:37 AM
the 15" has a much lower, bassier sound. this is why it is popular for bass amps. however, it will NOT sound very good with guitar imo (guitar is a more midrange instrument)

there WILL be a noticiable difference.

LP Addict
09-04-2008, 11:42 AM
dime bag darryl had a 2x15 cab with his randall stack i believe. it sounds very very metal. if you play in way dropped tunings, go for it.

phatsack
09-04-2008, 11:42 AM
I have a cab that I built out of 3/4" birch plywood - with 2x10 speakers on the top and 1x15 on the bottom.
The two levels are split with 2 seperate inputs.
Together they sound killer. Lots of bass and the 10s make up for what the 15 doesn't do.

BUT.....if I could do it all over again I would just make two seperate cabs. The 15 is flabby by its' self and is much better as a BASS cab...

That said, Dimebag used a 15s along with his 12s.......

Skeet UK
09-04-2008, 12:36 PM
I used to build competition systems in cars and what not, as a hobby (mainly Sound Quality, but some Pressure Level ones too)

Anyway, people often make the mistake of going too big. 10's are tight and punchy and will cover down to the all but the lowest frequencies.

I say punchy, because they are smaller, they react faster than the bigger 15's, 18's etc.

They can still produce the kind of bass that makes you sound like Orville the duck though!

I would do as the other say. Build two cabs. Two tens side by side and a 15 to stack them on top of.

Make sure you get the volume of the cabinet right and port size and length if you use them (check speaker stats). Most 10's need a cubic foot of space, so the cabinet would end up about 26 inches wide, which would look right sitting on top of the larger 15 inch cabinet. If you make them the same width, you can always adjust the depth of the 15 to get your volume.

That said, I have no idea if you use 4 Ohm or 8 Ohm speakers in guitar cabinets etc!

cokeisbetter
09-04-2008, 03:12 PM
^ Depends on the amp. Usually it's either 4, 8, or 16 ohms, but there are a few which use 2.
the 15" has a much lower, bassier sound. this is why it is popular for bass amps. however, it will NOT sound very good with guitar imo (guitar is a more midrange instrument)

there WILL be a noticiable difference.
Lies, my Peavey Delta Blues has a single 15" speaker and it sounds beaut. The bass is there, but it doesn't lose much midrange due to it.

AngusJimiKeith
09-04-2008, 03:44 PM
the delta blues is 1x15?? well, i could see that, the extra bass would be great for..well..blues!

no it wont lose the mids, i know that, but the bass becomes much more pronounced..

_Sanitarium_
09-04-2008, 05:43 PM
SRV also used 15's... but not in all his amps/cabs.

cokeisbetter
09-04-2008, 05:44 PM
^^Yeah. Playing big major chords in Drop D with fuzz and some OD sounds low-end-tastic. It's awesome. :D

forsaknazrael
09-04-2008, 06:43 PM
IMO, a 15" speaker can often be a bit flubby. I ahve a combo amp with a 2x10" setup. Sounds great. Plenty of low end.

buzzzxx
09-04-2008, 07:49 PM
My Delta Blues has a 15 and it sounds amazing.