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Forum: DIY Speakers and Subs   07-30-2014, 06:04 AM
Replies: 51
Views: 1,093
Posted By NicksHitachi
Thanks! That makes perfect sense, with...

Thanks!

That makes perfect sense, with such a low impedance on the divider circuit compared to the input impedance of the minidsp it would allow too much current thorugh the divider for the...
Forum: DIY Speakers and Subs   07-29-2014, 01:03 PM
Replies: 2,408
  MiniDSP
Views: 154,629
Posted By NicksHitachi
Yes I measured 60Hz sine at 0dbfs on a multimeter...

Yes I measured 60Hz sine at 0dbfs on a multimeter to approximate rms voltage all trims maxxed and avr at "0"

I get what your saying but dont the A/D converters on the minidsp input clip at like...
Forum: DIY Speakers and Subs   07-29-2014, 12:15 PM
Replies: 2,408
  MiniDSP
Views: 154,629
Posted By NicksHitachi
I hope your right. I had to run my BFD in the...

I hope your right. I had to run my BFD in the +4dbu setting because it would still clip the input with the trims set at -12 on the AVR.

I'll see how it works as I don't really want to but if the...
Forum: DIY Speakers and Subs   07-29-2014, 11:32 AM
Replies: 2,408
  MiniDSP
Views: 154,629
Posted By NicksHitachi
Anyone using a voltage divider circuit to drop...

Anyone using a voltage divider circuit to drop the input line voltage into their minidsp?

I have like ~12Vrms on my pre-outs and was gonna use 3ohms over 1ohm to cut line voltage to ~3Vrms....
...
Forum: DIY Speakers and Subs   07-29-2014, 11:14 AM
Replies: 51
Views: 1,093
Posted By NicksHitachi
After doing some research, I think I will want to...

After doing some research, I think I will want to add a voltage divider to the inputs on the minidsp.

My onkyo puts out relatively high voltage on the preouts(~12Vrms) and I'm worried it will be...
Forum: DIY Speakers and Subs   07-29-2014, 02:57 AM
Replies: 128
Views: 2,895
Posted By NicksHitachi
:rolleyes: ;)

:rolleyes:

;)
Forum: Speakers   07-28-2014, 01:07 PM
Replies: 317
Views: 18,004
Posted By NicksHitachi
Thats cool, if you cutoff below 80Hz in the...

Thats cool, if you cutoff below 80Hz in the window settings you can see more relevant info...

Is a waste to see the graph down into the teens on that speaker.

Nice work!
Forum: Speakers   07-28-2014, 12:56 PM
Replies: 317
Views: 18,004
Posted By NicksHitachi
Thats cool I just wanted a peek at both, I think...

Thats cool I just wanted a peek at both, I think log is preferred by most. There seems to be something going on with your measurements. What mic are you using?
Forum: Dedicated Theater Design & Construction   07-28-2014, 11:40 AM
Replies: 991
Views: 83,471
Posted By NicksHitachi
Sweet Spot? http://youtu.be/1zIY6DQSlbY

Sweet Spot?

http://youtu.be/1zIY6DQSlbY
Forum: Speakers   07-28-2014, 10:40 AM
Replies: 317
Views: 18,004
Posted By NicksHitachi
Hi aijan, Can you switch the scale from...

Hi aijan,

Can you switch the scale from logarithmic to linear? Also if measuring inside can you measure slightly closer at like 1M?
Forum: Dedicated Theater Design & Construction   07-28-2014, 08:06 AM
Replies: 991
Views: 83,471
Posted By NicksHitachi
Meh, no floor speakers.... ;)

Meh, no floor speakers.... ;)
Forum: Subwoofers, Bass, and Transducers   07-26-2014, 09:47 AM
Replies: 2,646
Views: 246,162
Posted By NicksHitachi
You can fill behind that circular brace cutout...

You can fill behind that circular brace cutout and any other available surface that doesnt restrict the port. Polyfill, insulation, foam, all works. All your trying to do is soak up mechanical...
Forum: Dedicated Theater Design & Construction   07-24-2014, 07:10 AM
Replies: 645
Views: 85,181
Posted By NicksHitachi
So I guess I can add running one or two more 30A...

So I guess I can add running one or two more 30A lines to my theater to-do list.... I contacted my electrician today for options.

I found a deal too good to pass on for two more EP2500s :cool:
...
Forum: DIY Speakers and Subs   07-23-2014, 06:17 AM
Replies: 40
Views: 952
Posted By NicksHitachi
Ive spun 3/4 radius roundovers on speakers before...

Ive spun 3/4 radius roundovers on speakers before on only single layer 3/4 mdf. The roundover doesnt affect the surface area of the glue joint, and strength wise the corners are the strongest points...
Forum: DIY Speakers and Subs   07-23-2014, 05:06 AM
Replies: 5
Views: 224
Posted By NicksHitachi
The problem with off vertical axis two ways is...

The problem with off vertical axis two ways is the distance between the waveguide and the woofer to the listener changes as you move above and below axis.

The bigger the woofer and waveguide,...
Forum: DIY Speakers and Subs   07-23-2014, 04:09 AM
Replies: 40
Views: 952
Posted By NicksHitachi
IDK maybe, cedar is a super soft wood. What...

IDK maybe, cedar is a super soft wood. What about oak or mahogony?
Forum: DIY Speakers and Subs   07-23-2014, 04:03 AM
Replies: 40
Views: 952
Posted By NicksHitachi
I just use the foam ones from lowes... I like...

I just use the foam ones from lowes... I like the foam for speakers inside the house. If I were doing road cases or tour gear id use the furry rollers for more texture/durability

It would...
Forum: DIY Speakers and Subs   07-22-2014, 12:31 PM
Replies: 64
Views: 1,826
Posted By NicksHitachi
Dude, whats next? Dual SI18 Headphones for each...

Dude, whats next? Dual SI18 Headphones for each seat? :eek:
Forum: DIY Speakers and Subs   07-22-2014, 12:26 PM
Replies: 40
Views: 952
Posted By NicksHitachi
Duratex is the EASIEST speaker coating you can...

Duratex is the EASIEST speaker coating you can buy IMO.

It is astounding how easy it is to get a professional looking finish with a simple 4" foam roller. I mean this stuff was MADE for newbs.
...
Forum: Dedicated Theater Design & Construction   07-22-2014, 05:57 AM
Replies: 1,753
Views: 112,507
Posted By NicksHitachi
https://encrypted-tbn1.gstatic.com/images?q=tbn:AN...

https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcTnfDcpDLhYast5c2HHu5D4gvN0ZnQ4Y7z9qhkF8obyNU5t1V05
Forum: Dedicated Theater Design & Construction   07-22-2014, 04:30 AM
Replies: 645
Views: 85,181
Posted By NicksHitachi
Mounted Minidsp in Rack Box: ...

Mounted Minidsp in Rack Box:

http://i174.photobucket.com/albums/w100/nottaway/Home%20theater%20projects/6E5B7882-31C2-411B-9027-3878AEF8872C_zpsehikn0c7.jpg
...
Forum: DIY Speakers and Subs   07-22-2014, 04:26 AM
Replies: 2,408
  MiniDSP
Views: 154,629
Posted By NicksHitachi
FWIW I mounted a Balanced 2X4 into a rack mount...

FWIW I mounted a Balanced 2X4 into a rack mount enclosure. I learned a lot on this project especially about interconnects and grounding.

DIY Rack Mount Minidsp Balanced 2x4 Enclosure...
Forum: DIY Speakers and Subs   07-21-2014, 06:19 PM
Replies: 51
Views: 1,093
Posted By NicksHitachi
I finished up the box tonight. Here it is: ...

I finished up the box tonight.

Here it is:

http://i174.photobucket.com/albums/w100/nottaway/Home%20theater%20projects/8DD52F76-561C-4172-98FB-5310D454A65C_zps3h0lhhkp.jpg


Here is how i...
Forum: DIY Speakers and Subs   07-21-2014, 06:13 PM
Replies: 51
Views: 1,093
Posted By NicksHitachi
Thanks Andy, you have been a huge help!

Thanks Andy, you have been a huge help!
Forum: DIY Speakers and Subs   07-21-2014, 10:34 AM
Replies: 51
Views: 1,093
Posted By NicksHitachi
I thought this image was useful so I added it. ...

I thought this image was useful so I added it.


From my AVR to the minidsp I have cables configured like scenario 17.

From the Minidsp to pro amps(EP4000s) balanced xlr to balanced xlr...
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