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Post subject: fender mustang1 with a 12" speaker
Posted: Fri Mar 02, 2012 8:32 pm
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i was wondering if the mustang 1 can push a 12" speaker or a 2x12 extension cab.
what i was going to do is build a whole new amp chassis that will be bi enough for a 12" speaker and put all the guts from the mustang 1 in it. i am not too amp savvy,but my building skills are top notch. if what i am wanting to do will work what would be the best for the back of the amp, fully closed,3/4closed 1/2 closed or fully open. i want a one unit set up dont want to have to drag an ext cab around. if the 12" is too big what about a 10" and any suggestions on which model of 12"or 10" speaker, i want to use a celestion.
thanks for anyones help and input


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Post subject: Re: fender mustang1 with a 12" speaker
Posted: Sat Mar 03, 2012 8:34 am
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Wolfie, as long as the total impedance of the speaker(s) is 8 ohms you should be fine. Any 12" 8 ohm speaker will work but for 2 speakers, you'll need to use 16 ohm speakers wired in parallel to get a total of 8 ohms. You don't need to worry about the wattage... no matter what anybody says.

Here's some info on speaker wiring. http://www.usspeaker.com/speaker%20wiring-1.htm

That sucker's gonna be loud, man!

O.


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Post subject: Re: fender mustang1 with a 12" speaker
Posted: Sat Mar 03, 2012 6:44 pm
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thanks for the wiring diagram Orcatraz that will be real helpful. i know must would say go buy a bigger amp like the mustang 2, not wanting to make it louder ive got a 60 watt tube for that. plus i like building stuff. i have most every thing i need to build this. 1/4" & 1/2" birch plywood,tolex,grill clothe. just needing a good speaker. any suggestions?? for what the mustang 1 is its a great lil amp,its just lacking with that 8" speaker as most amps with that size of speaker.


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Post subject: Re: fender mustang1 with a 12" speaker
Posted: Sat Mar 03, 2012 8:30 pm
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I use an Eminence Cannabis Rex on my MII. Love it!
BTW, don't use the 1/4" plywood. It's too thin and will be too resonant and make the amp sound boxy - especially the speaker baffle. Use 1/2" on most of the amp and 3/4" for the speaker baffle.

O.


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Post subject: Re: fender mustang1 with a 12" speaker
Posted: Sun Mar 04, 2012 8:07 pm
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do you think its necessary to use the high dollar birch plywood or would regular plywood or mdf board be just as good. now remember we are talking about a $100 solid state amp and not a high dollar tube combo or a marshall 4x12 cabinet


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Post subject: Re: fender mustang1 with a 12" speaker
Posted: Sun Mar 04, 2012 8:11 pm
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Cannabis speaker huh. if i go with that i better not play to loud and fast and get that speaker smokin end up with a buzz lol


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Post subject: Re: fender mustang1 with a 12" speaker
Posted: Sun Mar 04, 2012 9:19 pm
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WolfieVanGanglen wrote:
Cannabis speaker huh. if i go with that i better not play to loud and fast and get that speaker smokin end up with a buzz lol


Hah! So that's why my friends are always pointing and snickering! :mrgreen:

I'm not bad with my building skills either but I don't have the tools nor the workshop to do it in. I've always felt that the Mustang deserves a better looking cabinet. Waaa.

O.


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Post subject: Re: fender mustang1 with a 12" speaker
Posted: Mon Mar 05, 2012 11:28 am
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WolfieVanGanglen wrote:
do you think its necessary to use the high dollar birch plywood or would regular plywood or mdf board be just as good. now remember we are talking about a $100 solid state amp and not a high dollar tube combo or a marshall 4x12 cabinet


Well, I really believe in the axiom that says, "Anything worth doing is worth doing right".
Believe it or not, MDF has properties that are better for sound reproduction - it's a very dense and minimally resonant material. I would make the sides and back or partial back (if you want to turn it into an open-back cab) out of 1/2" plywood and the speaker baffle out of 3/4" MDF.

O.


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Post subject: Re: fender mustang1 with a 12" speaker
Posted: Tue Mar 06, 2012 1:34 pm
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I can tell you that a Mustang I will easily power just about any cab you want...even a 4x12. I've not run mine through a 4x12, but I did add a speaker jack to mine and usually run it through a 1x12 or 2x12 cab...such a dramatic improvement in tone! I've thought of making some clips of the stock speaker compared to the cabs, but just haven't done it yet.

I've played mine through a Warehouse ET-65, Weber 12F150 and Celestion G12M greenbacks...sounds very good through any of them.

I've built all my own speaker cabs...3 of them. The first one I built from 3/4 inch pine ply. The second two I built from 3/4 inch birch ply. They all sound good. Personally, I would stay away from MDF...it's really very heavy compared to ply or pine, and I've always been told it's NOT very good for tone. I think a cab that resonates is going to provide better tone.

Between solid pine and ply (whether birch or ply) I would say there's not a huge difference. The cab dimensions are probably more important. My first 1x12 cab (the pine ply cab) I built to the specs of the Mesa 1x12 Recto cab, and it's got a very impressive bass response. That's the cab I usually hook the Mustang up to. It gets way more bass response than the 1x12 combo cab I most recently built from birch ply...probably because it's deeper. I've been tempted to find a way to put the guts from the Mustang in the 1x12 cab, like you are talking about.

As for open or closed back...I've done both, but ended up preferring open backed for both my 1x12 and 2x12 cabs. But if you are building your own, you can try both and see which you like best.


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Post subject: Re: fender mustang1 with a 12" speaker
Posted: Tue Mar 06, 2012 2:55 pm
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Muleya wrote:
I can tell you that a Mustang I will easily power just about any cab you want...even a 4x12. I've not run mine through a 4x12, but I did add a speaker jack to mine and usually run it through a 1x12 or 2x12 cab...such a dramatic improvement in tone! I've thought of making some clips of the stock speaker compared to the cabs, but just haven't done it yet.


On a 412 cab, be very careful with individual speaker impedance and how it's wired. With a Mustang I, I would not deviate from 8 ohms as its power amplifier module is not that robust.

Quote:
Personally, I would stay away from MDF...it's really very heavy compared to ply or pine, and I've always been told it's NOT very good for tone. I think a cab that resonates is going to provide better tone.


I wouldn't build the entire cab out of MDF, but it's not that heavy when it's used only on the speaker baffle as it's had a huge chunk taken out of it by the speaker hole. A cab that resonates is only good if it resonates in a controlled manner - that's what ports are for. High quality plywood should not be very resonant but it won't be as stiff and acoustically dead as MDF. The stiffer the baffle and the less resonant the building material, the easier it is to control its resonant frequency via cab dimensions, shape and porting. Although they have totally different acoustical goals, Hi-Fi speaker manufacturers prefer MDF because it is acoustically dead, has consistent density and is easy to control. I don't know of any that build one out of solid wood, especially - too much uncontrollable resonance.

Maybe you got lucky with your pine cab but I'll bet that if you built another one and put the same speakers in it, it will sound different from the first one. It may sound better, it may sound worse but you won't have any control over its sound. Pine is very low density and is thus more resonant. No two pieces of wood, pine or otherwise, even if it came from the same tree, will resonate the same way. Kind of why no two acoustic guitars or even electric guitars sound the same. There's just no way to predict how the tree will grow.

Peace,

O.


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Post subject: Re: fender mustang1 with a 12" speaker
Posted: Wed Mar 07, 2012 12:41 pm
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Yes, obviously you need to watch your impedance, but impedance issues aside, there's plenty of power in an MI to feed a 4x12 cab.

As for MDF I've read differing thoughts on it. Some recommend it for baffles, other merely say it is "okay" for baffles, but recommend certain solid woods as well. Others say that while MDF is preferred by Hi-Fi folks (where you DO want strict control over parameters), it's not recommended for guitar applications as it sounds "dead" and "lifeless".

Here is a Gibson article on guitar cabs: http://www.gibson.com/en-us/Lifestyle/Features/Tone%20Tips_%20Speaker%20Cabinets/ ...scroll down to "Wood Types"
And a White Paper I found on guitar cabs that was informative: http://www.kvglabs.com/PDF/guitarcabs.pdf ...see the bottom of page 2

I will also add that in the 50s, Fender built their cabs from solid pine, and I believe the 50's reissue cabs they make today are solid pine...for example, the new Eric Clapton siguature amps and Bassman reissue. Granted, pine was chosen then because of cost issues...it was cheap...but those cabs are still pretty highly coveted. Though I think general consensus still favors birch ply.

One other consideration might be that I've read the dust particles from MDF may be carcinogenic! :shock:

Yes, I may have gotten lucky with my first cab, but who cares, it still sounds awesome!! And the 2x12 cab sounds awesome too, built completely from 3/4" 11-ply birch from Lowe's or Home Depot, including the baffle.

Here's the 2x12 cab, don't seem to have any pics of the 1x12 online.

Image

Image


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Post subject: Re: fender mustang1 with a 12" speaker
Posted: Wed Mar 07, 2012 4:10 pm
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NICE CAB, Muleya!

Yeah, I think birch ply is a great way to go - looks cool without the tolex too. I actually wouldn't mind making a furniture grade cab for the MI. It would of course never leave the house 'cause the first dent would probably give me an aneurism. :lol:

Thanks for the heads up on the MDF dust carcinogens!

O.


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Post subject: Re: fender mustang1 with a 12" speaker
Posted: Wed Mar 07, 2012 6:05 pm
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alright i am gonna ask something real stupid here i am want to post a picture on here and cant figure out how to do it. can anyone help a computer dummy.


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Post subject: Re: fender mustang1 with a 12" speaker
Posted: Wed Mar 07, 2012 6:27 pm
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WolfieVanGanglen wrote:
alright i am gonna ask something real stupid here i am want to post a picture on here and cant figure out how to do it. can anyone help a computer dummy.

The Fender forums don't host pictures directly. What you need to do is join a hosting service that will allow you to upload your pictures to and then link to them in your forum post.

While you can pay for these hosting services, many places give out minimal accounts that you can use for free that allow a certain amount of file space. I use http://photobucket.com/ but there are other sites.

On Photobucket, you just upload your pics to your account then once there, you can get a BB code (forum code) link by clicking on the pic. It is then copied to your OS's clipboard so that you can paste it into the forum message your composing.


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Post subject: Re: fender mustang1 with a 12" speaker
Posted: Wed Mar 07, 2012 8:04 pm
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SWEET CABINET Muleya what are you using for a head? dont laugh but i a gonna coer it with Electric Blue Python TOLEX. heres a link showing the tolex http://www.speakerbuildersupply.com/ser ... ric/Detail

might even add a few blue LED's on the inside of the chassis just to give it a glowing effect. ill use 1/2"-5/8" birch for the sides,top and bottom, with 3/4" mdf for the baffle. only because i happen to have a piece just big enough to fit it. it will be several weeks before i can start it,when i am done ill post some pics.


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