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Speaker upgrade???
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timf



Joined: 07 Jul 2007
Posts: 102
Location: Adelaide South Australia

Posted: Tue May 27, 2008 2:33 pm    Post subject:

Nashou66 wrote:
Most high end shops will let you take them home to try out, I did this with my Phase technology speakers 10 years ago and I still have them.
Athanasios


So....... did you ever go back and pay for them? Smile
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Spanky Ham



Joined: 22 Mar 2006
Posts: 5643
Location: Comedy Central

Posted: Mon Jun 02, 2008 1:17 am    Post subject:

stefuel wrote:
Spanky Ham wrote:
Chip,
Has the Ampro destroyed your ability to see the different sections of the forum? Shocked


Since you seem to be pretty handy at making things, you should go check out HTguide and the DIY options.


Nope, but I always seem to get quicker HT related questions answered here. I ain't ascared of building my own but would not know where to accuire the bare components and design the correct crossovers. I do have the equipment to build the cabinets and have actually thought about what I'd build if I did my own (cabinet wise). In my situation, I would guess that a front vented cabinet for the mains would be in order. That being the case, if what Curt says is true, then the center would have to match. I do love woodworking and can build cabinets that would match the quality of anything commercially available.

Oh ya, the only thing that my AmPro has destroyed is the myth and my desire to upgrade Laughing


You can find most of the info over on HTguide in the DIY forum. Depending on how much you want to spend will determine how good of a speaker you can build. DIY will trump pre-built speakers in the same price range. The big difference is how much is your time worth, which always seems to come up. Zaphaudio.com has some good designs as well. I am not sure if you could fit his new ZDT3.5, but that would probably be a very good HT speaker. I think these cost around $200 a piece. I think the Nat Ps on HT are around $150 a speaker.
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Heywood Jablome



Joined: 12 Mar 2006
Posts: 1548


Posted: Mon Jun 02, 2008 5:02 pm    Post subject:

Hey Chip... build a set of these: http://www.jubilation.ws/

I'll let you use my garage!

(Seriously... I've got to go pick up those KG4s. If you don't want them I'll flip them after replacing the driver.)

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"Those countries which lag behind in industry, in the application of mechanics and technical chemistry, in the careful selection and utilization of natural products, where the respect for such activities does not permeate all classes of society, will unfailingly decline in prosperity. They will sink faster when neighbor states, with an energetic exchange between science and industry, go forward with renewed vitality."
-- Baron Alexander von Humboldt: 1769-1859
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stefuel



Joined: 07 Mar 2006
Posts: 3353
Location: Green Harbor MA USA

Posted: Wed Jun 04, 2008 9:26 pm    Post subject:

I think I'd need a cabinet stretcher to make those fit where my mains are now, but the hottie fit's just fine me thinks.
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Chip
A Barco is only a AmPro with training wheels

Card carrying member of the AVS chain gang.
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grogthegreat



Joined: 16 May 2007
Posts: 166
Location: San Diego, CA

Posted: Thu Jun 05, 2008 1:13 am    Post subject:

Too bad you don't have more room. Then you could go for some magnepans!
I have MG-IIIs and they sound amazing. They are 6' tall and 2' wide..... however they are only 2" thick!
You'd be amazed at what deals you can find locally if you take the time to look. Good luck!
-Greg

_________________
First projector: Sony 1252q with 3500 hours
Second projector: NEC 9PG+
current projector: Sony G90

100" 3:4 draper screen.

I must keep upgrading till the voices stop!!

"I CAN HAZ CRT PRUJEKTER."
-Curt Palme
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stefuel



Joined: 07 Mar 2006
Posts: 3353
Location: Green Harbor MA USA

Posted: Thu Jun 05, 2008 2:36 am    Post subject:

Actually, I've been giving building my own a lot of thought lately. Cabinet construction material has been going through my brain lately, along with shape. I want a rounded cabinet which make wood a bit difficult. One thing that I've been considering is constructing a form and casting the cabinets in clear-coat Kevlar ( medium weave carbon fiber ).
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Chip
A Barco is only a AmPro with training wheels

Card carrying member of the AVS chain gang.
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grogthegreat



Joined: 16 May 2007
Posts: 166
Location: San Diego, CA

Posted: Thu Jun 05, 2008 5:28 pm    Post subject:

Either of those would be quite an undertaking. I'm not a professional but I've worked with wood and different types of carbon fiber enough to know that it would be challenge.
Then you also have the problem of choosing actual drivers to get a flat response with such a unique cabinet.
Not trying to discourage as I have little experience myself, but telling you to be prepared for this to be a time consuming project.

If you go for, good luck and please post pics!
-Greg

_________________
First projector: Sony 1252q with 3500 hours
Second projector: NEC 9PG+
current projector: Sony G90

100" 3:4 draper screen.

I must keep upgrading till the voices stop!!

"I CAN HAZ CRT PRUJEKTER."
-Curt Palme
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draganm



Joined: 08 Mar 2006
Posts: 8990
Location: Colorado

Posted: Thu Jun 05, 2008 6:42 pm    Post subject: Re: Speaker upgrade???

stefuel wrote:
The only requirements I have for now is the main L and R speakers must fit within the area that the built in cabinetry provides. The opening for these are 18W X 28T x 12D. ?
as an Audiophile i try and stay out of HT audio discussions but I have to pipe in here and hopefully save you some money. If your sticking speakers into a cabinet your automatically killing the majority of it's full ability to create an immersive audio experience. It's like inviting a great violinist over to your house and asking them to play in the bathroom down the hall.
I know a lot of people just love their wall untis and such but If you have them then just get a basic no nonsense HT speaker and make sure it's at least ported in the front, not the back. maybe a pair of PSB's like this one
http://www.audioadvisor.com/prodinfo.asp?number=1PBIMB15
Anything more than that and you will be throwing money away.
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GEBrown



Joined: 08 Mar 2006
Posts: 729
Location: Denver

Posted: Thu Jun 05, 2008 8:57 pm    Post subject:

stefuel wrote:
Actually, I've been giving building my own a lot of thought lately. Cabinet construction material has been going through my brain lately, along with shape. I want a rounded cabinet which make wood a bit difficult. One thing that I've been considering is constructing a form and casting the cabinets in clear-coat Kevlar ( medium weave carbon fiber ).


Unless you laid up like 20 layers, you'd never get the stiffness that you need for a speaker cabinet.

There's lots of good DIY speaker building info here: http://www.htguide.com/forum/forumdisplay.php4?f=6

and here: http://www.htguide.com/forum/forumdisplay.php4?f=39

and here: http://zaphaudio.com/

and here: http://www.partsexpress.com/projectshowcase/projectindex.cfm

I've been reading a lot about it lately and am working up to building my first set sometime this summer. I will go with Curt Campbell's TriTrix in a transmission line cabinet for the L&R
http://www.partsexpress.com/projectshowcase/indexn.cfm?project=Tritrix

and this center

http://www.partsexpress.com/projectshowcase/indexn.cfm?project=UniCC

I'm limited by an A/V Receiver that is not 4 ohm friendly (Onkyo TX-SR605) whereas guys like Dragan have much beefier amps and are not limited in that respect.

But I ramble . . .

My 2 cents

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paw



Joined: 08 Mar 2006
Posts: 1176
Location: Arvada, CO

Posted: Thu Jun 05, 2008 10:55 pm    Post subject:

If you're going to put or build speakers into a wall unit, be sure you get ones that are designed for that. Triad, pricey and Atlantic Technology, reasonable. Triad can be custom built for the built in application. AT has boundary controls to compensate for being in a wall unit or close to a wall or ceiling.
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Aubrey
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jask



Joined: 17 Mar 2006
Posts: 10187
Location: kamloops BC

Posted: Fri Jun 06, 2008 5:03 am    Post subject:

I work with carbon fibre and other than cosmetics I would never use it for a speaker box. You need rigidity and mass for a good box. A curved front could be built up with coopering and covered with veneer although it would take some jigging if you wanted to Vacuum bag the curved section. Dragnm is right,get a nice tight little ported design. I have a set of old Paradigm SE3 mini speakers that sound fantastic for the size.
Those parts express speakers look like a lot of fun,take lots of pictures and keep us posted.
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