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Go Back   Blu-ray Forum > Audio > Subwoofers


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Old 01-15-2014, 03:20 AM   #1121
qx56 qx56 is offline
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Fronts. No longer have the plate amps.

-QX-

Last edited by qx56; 01-15-2014 at 03:23 AM.
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Old 02-14-2014, 01:42 AM   #1122
slugbug slugbug is offline
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My trusty D-BOX David 250 subwoofer recently died and I was wondering if it's worth trying to repair it. Before it failed it would randomly start buzzing and now it no longer powers on at all. Haven't had it apart yet but I suspect the amp may have failed, as the power and standby led no longer light up. The heatsink does get warm though so I'm not sure what the issue is.
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Old 02-14-2014, 03:49 AM   #1123
Blu-Dog Blu-Dog is offline
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Quote:
Originally Posted by slugbug View Post
My trusty D-BOX David 250 subwoofer recently died and I was wondering if it's worth trying to repair it. Before it failed it would randomly start buzzing and now it no longer powers on at all. Haven't had it apart yet but I suspect the amp may have failed, as the power and standby led no longer light up. The heatsink does get warm though so I'm not sure what the issue is.
It's the power supply. You can get a nice Bash amp to replace it without going broke. Try Parts Express for starters.
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Old 02-26-2014, 03:23 PM   #1124
MikeCL MikeCL is offline
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I haven't looked at all of the posts but I'm looking at a 12" sub I was looking at the Dayton Audio one but I thought about doing my own but what good do I get out of it? It still seems ready built would still be cheaper.
Got my first Blu-ray on September 28th 2011!
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Old 02-27-2014, 12:21 AM   #1125
MikeCL MikeCL is offline
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Question..

I made a Logitech Z680 sub as a stand alone sub without the control pod.. I don't have a gain or crossover control.. the sub is a Tang Band 8" sub being that I put very little money into it I wonder if it's worth changing the amp and sub to something better?

I plan on getting a 12" sub still and keeping the 8" in my room since I had my receiver hooked to the tv.
Got my first Blu-ray on September 28th 2011!
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Old 05-21-2014, 06:25 PM   #1126
rarredoa rarredoa is offline
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Default Definitive Technology Supercube Ref. - New enclosure

I have a used Def Tech 14" driver from Supercube Reference sub. I repaired the damaged driver, but I am anxious to build a new enclosure for it. I am acquiring all the electronics directly from Definitive, but they won't release that driver's thiele small parameters. Any suggestions as to how i should build a new enclosure for it? Ideally I would like to build a ported box instead of using passive radiators.
Pannasonic BD65/Yamaha RX-A700/Viera 50PZ85U
POLK RTi12 (Bi-amp), CSi5, 2-pair FXi4
Definitive Techonology Supercube Reference (LFE)
DIY Sub with Dayton Audio Reference 15" HO driver
External amps, Gemini XGA3000, Behringer EP4000.

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Old 02-19-2015, 09:16 PM   #1127
Bassman614 Bassman614 is offline
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Okay I'm going to make an attempt here to give new life to this dead thread. This may be a bit long and I apologize for that.

The summary of what is below.
Crest CA6 power amp
Empty Bass Guitar cabinet w/18" driver hole. Nearly 6 cubic feet in size with 3.5"x21" port at bottom.

So here's the deal. I currently have a JBL SUB12, which for the $200 I payed for it about 8 years ago, has never disappointed me. (It supposedly goes down to 25Hz.)That is until I rented the new Ninja Turtles back in December. The scene where the turtles are sliding down the hill and it goes slow-mo as they go over the edge of the cliff is the scene that has now done it. There is an amazing low end frequency sweep that drops so low that my sub bottoms out. Man, you could feel the pressure in the room changing. It even felt harder to breathe. It really brought a huge smile upon my ugly mug. I think I even looked at my fiance and giggled lol. Then all of a sudden 'bloop' the driver just dropped out.

So since then I have been on a "I need a better sub" kick. I've been looking at many different sub's and setups. Today the voice in my head says to me "Hey idiot, you are aware that you have a Crest CA6 power amp in the basement. Oh and you have an empty bass guitar cabinet with a big ole 18" hole in the middle of it." So I just went down stairs and took some measurements of the box. It has about 1" thick walls and the inside measures roughly 23" wide x 29" tall x 15.5" deep. By my calculations that is just under 6 cubic feet. It has a port on the bottom measuring about 3.5" tall and runs nearly the width of the box. I'll call it 21" wide.
So could these be used to diy an awesome home theater subwoofer? The link to the driver I may consider is below. Or if you have a suggestion I'll take a look. I'm not looking for extreme volume as much as I'm looking for some LOW lows. I know room measurements play a factor here too. So to save you that question my living room is about 14'x14'x8' and has an archway to the kitchen to the 'stage left' and a hallway to my couch's right.
http://www.parts-express.com/dayton-...-coil--295-518
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TV: Sony Bravia KDL-46XBR2
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Sources: Sony BDP-S5500, Seiki SR4KP1, PS4 & LG BP135
Receiver: Pioneer Elite VSX-44
Front: Theater Research TR2810
Center & Rears: Polk Audio T series
LFE: JBL Venue SUB-12
Nothing but Monoprice cables
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Old 09-07-2015, 03:10 AM   #1128
ECrispy ECrispy is offline
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Does any company offer a DIY kit for a ported sub? I've seen the Parts Express kits but they are only for sealed subs. I don't have the tools or skills to do a proper DIY.
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