PussyPunk182

Don't know much about the numbers, but I do know that venting is not really needed nor does it do much in a guitar cab. Just screw a panel in the back. Good luck!

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minnis

So i dont need to make any holes in it for the air to get in? So all that stuff at the top of page 2 is just for bass?
In that case, is there much of a difference between open and closed back for guitars?
Thanks!

minnis

Sorry for the double post, but i have been reading up on this stuff. On the celestion website, they say that the dimensions are not vital (can someone please verify this?).
However, they also say the following:

Compared to the first post in this thread:


So, which is it (and why!?) I have heard of a design where you can remove the rear panel, transforming it from a closed back into an open back and wish to use this as im new to speakers and wish to experiment. However, should the rear panel make the box completely airtight?

Thanks in advance!

salgala2000

Don't know anything technical but the Bugera V22 you can do that on.

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minnis

I was watching a review on youtube of the jet city picovalve and the guy reviewing it just said "now im going to convert this closed back cab into an open back by removing the back!" and i kinda liked the idea.

GS LEAD 5

Hey, I'm on the brink of buying a Peavey 6505 combo.
I didnt want to buy the head unless I can find a 112 cab capable of handling the power. Which I still havent found
However, I noticed that Eminence Tokerlites are pretty cheap- a hundred dollars each.
Would it be a good idea to build a 112 cab with one of those? They are 125W each.
I understood what yous aid about the frame. Also sides.
But Im still not too sure what to go about doing as far as fitting the speaker to the front is concerned. Also wiring.
Advice sorely needed- this issue will pretty much decide my rig for the next 5 years.
EDIT: Also, how do guitar amps sound through 15'' speakers? I noticed that frequency response of a bass cab and a guitar cab are actually quite similar- the high end response is typically slightly lower (5KHz vs 5.5 or 6 usually) and a lot of increased lower end response. What does this translate into tonally? Especially with 7/8 string guitars?

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John Swift

Hi you don't need to tune a guitar cab but even a guitar speaker cone will move and if you make a sealed enclosure that is not airtight you can get some undisired sounds from the holes/joints where the air is escaping.

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Doonan

not sure about how guitar heads sound through 15" speakers, but i do know that theres a reason everyone chooses 12" speakers, and thats generally because theyre the best for the job.
wiring a cab is easy as far as i understand, just make sure you get the impedance correct.
the speaker is fitted to whats called a baffle, and its just a panel of wood. it gets held on by bolts and nuts around the edge i believe.
and im not sure about what speakers can handle what. my advice there would probably be to email eminence or peavey, and ask them their opinion. eminence speakers are quite good quality.
and finally here is 2 threads of cabinet builds that will probably help you if you build one. just remember dont necro-bump
codemonks cab build
wesbanez's cab build

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GS LEAD 5

Thanks man really grateful for the help.

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timbit2006

GS LEAD 5,
I believe 15" speakers can do guitar well.
I made a cab using two hi-fi speakers which had one 15" and a tweeter in them.
The cab is a 2x15"+ 2Tweeters.
The cab is rated at 500 watts and is much more suited to bass. This is probably the way I designed it. It has four ports so it has an extremely high low(That sounds rather contradicting.) frequency response.

I've played a really wierd vintage Gretsch amp before, it has one 15" and one tweeter. It sounded good. It was a nice amp, was tempted to buy seeing as it obviously is rare... I wish I had bought it.

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GS LEAD 5

I'll keep that in mind if my Tonkerlite plan doesnt work, I intend to get a Warwick 115.

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gerrywm

Great thread man.....
Looking into a cab build project over the summer but have to get some exams out of the way first. I picked up a no-name 2x12 cab a car boot sale kind of thing and im going to gut it and rebuild it so can I messge you for some advice etc????
Might start a thread on it too to get some advice and let ye see it. I have a really old Marshall 4x12 cab. I dunno how "good or rare" it is so il open it up and see what speakers are in it and let ye know.

Keep up the good work

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