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12" Full Range Speaker Recomendation Help
12" Full Range Speaker Recomendation Help
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Old 20th October 2013, 02:54 AM   #1
c208driver is offline c208driver  United States
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Default 12" Full Range Speaker Recomendation Help

I would like to add some fidelity to the pictured cabinet (circa 1960ish) with a more modern 12" full ranch quality speaker. The speaker will be powered by a restored Heathkit integrated TUBE amp & separate tuner. The cabinet internal dimensions are 23x16x16.

My questions are:

1. Can any improvement be made to the cabinet internals?

2. Suggestions on a good full range speaker in the $400-$800/pair range? I'm looking at Audio Nirvana 12" as one option, but would like additional thoughts.

Thanks.
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Old 20th October 2013, 07:11 AM   #2
Godzilla is offline Godzilla  United States
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You might want to consider using a coaxial driver. Here's a link from parts express.

Coaxial Full-Range Speakers in the Speaker Components Department at Parts Express | 32 - 497|3924

You would have to add a tweeter to the back of the driver as well as a crossover that could be mounted inside the box.

The reason I suggest this is because it looks like it would be difficult to cut out a tweeter hole since you must want to preserve the fabric front.

Another option that would allow you to retain the original fabric front would be a top mounted tweeter. See the link for an example:

http://www.positive-feedback.com/Iss.../madisound.jpg

or

http://lonestaraudiofest.com/2007/Photos/DSCN2937.JPG

The AN driver might be a good option too but you would have to see if it would provide satisfying bass in that cabinet. The dimensions you posted result in just over 3 cubic feet. Perhaps the AN works well in this cabinet volume and is the best option?

Curious, is this going to be a mono setup or stereo?

Zilla
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Old 20th October 2013, 09:56 AM   #3
Rev. Billy Bob is offline Rev. Billy Bob  United States
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The box looks like it has a cut out for a horn on the top of the baffle. If it were me, I'd just pick a woofer that worked well in that volume and make an econowave-type speaker.
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Old 20th October 2013, 10:29 AM   #4
Scottmoose is offline Scottmoose  United Kingdom
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I wouldn't bet on a modern driver necessarily improving on it. Maybe, maybe not. There aren't all that many good ones out there. The ANs might be, but I've seen a pair of the 12s measure a long way off advertised spec. so YMMV. The automatic recommendation would be the Great Planes Audio built Altec Model 212-8A, but I suspect you'd need to save up a while longer. And ideally, build a box that would do proper justice to them.

As Jeff says, you might want to consider the pro-market; either a good coax or something like a big Eminence widebander with tweeter support.

Some damping in the box wouldn't go amiss.
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Old 20th October 2013, 11:42 AM   #5
el`Ol is offline el`Ol  Germany
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A suggestion:
If you add a T35 supertweeter the sound is still in the style of the time. Maybe it's better to use EV drivers for the fullrange section, too. AFAIK they have a much higher reputation than the Lafayette drivers. 12" drivers usually need a supertweeter even with whizzer.

Last edited by el`Ol; 20th October 2013 at 11:53 AM.
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Old 20th October 2013, 12:14 PM   #6
gafhenderson is offline gafhenderson  United Kingdom
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The only good 12" full range driver is the EMS lb12 ands its very expensive.

Coax's are a good idea but you have to get a good one, so expensive again.
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Old 20th October 2013, 02:45 PM   #7
kevinr is offline kevinr  United States
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The AN cast frame 12's are great , big soundstage and good sound.
But in a tall 2.8 cu. ft. at my house the bass was fairly lean . I didn't have the room for a 6 ft. cabinet for them nor the space or inclination for adding subwoofers.
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Old 20th October 2013, 04:03 PM   #8
el`Ol is offline el`Ol  Germany
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One could also think about the Isophon Orchester, but putting a German classic into an American vintage enclosure seem a bit weird.
http://www.ebay.de/sch/i.html?_trksi...at=0&_from=R40

Last edited by el`Ol; 20th October 2013 at 04:05 PM.
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Old 21st October 2013, 02:31 AM   #9
norman bates is offline norman bates  United States
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having never heard one, I'll 4th the an12.

I think the 12" audio nirvana would be sweet with a 10 band equalizer ($300 pair + $30 10 band eq from pawn shop).

That Nirvana driver wants a big ported or open baffle, but if you seal it, it might be ok.

That box you have is 16" wide and 24" deep ?
If you surround the back of the driver with foam, you may like it as an "open backed box", but you may want a subwoofer with it also, and placement will be tricky.

Bigun had luck with an open backed box 2' wide x 2' deep x 4' tall.

I'm more into hinged wings, but you already have a box completed, and it looks retro cool also.

Norman

Last edited by norman bates; 21st October 2013 at 02:35 AM.
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Old 21st October 2013, 04:15 AM   #10
murphythecat8 is offline murphythecat8  Canada
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Quote:
Originally Posted by Scottmoose View Post
I wouldn't bet on a modern driver necessarily improving on it. Maybe, maybe not. There aren't all that many good ones out there. The ANs might be, but I've seen a pair of the 12s measure a long way off advertised spec. so YMMV. The automatic recommendation would be the Great Planes Audio built Altec Model 212-8A, but I suspect you'd need to save up a while longer. And ideally, build a box that would do proper justice to them.

As Jeff says, you might want to consider the pro-market; either a good coax or something like a big Eminence widebander with tweeter support.

Some damping in the box wouldn't go amiss.
that pretty much
I would go with a BC coaxial, or the great plains audio.
then add sub
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