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Older Activity
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06-18-2013, 05:36 PM
It could be possible to do that but only if the impedance of the driver cooperates sufficiently. As with most things you can't take one thing and...
16 replies | 327 view(s)
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06-18-2013, 04:46 PM
Like Wolf said....
Actually that impedance curve in front of you should make it very clear why you can't design a filter based on a single...
16 replies | 327 view(s)
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06-18-2013, 11:33 AM
Try lifting your green safety earth wire and observe. It should be an easy test to see if the toroid is "shorted" to ground. see if it shuts down or...
50 replies | 936 view(s)
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06-18-2013, 08:24 AM
I would like to see the DC offset of the amp over a short period of time. Do you have a multi-meter? If so hook a 10k resistor across the speaker +...
50 replies | 936 view(s)
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06-17-2013, 09:26 AM
You don't really want more than a 20V-0-20V transformer (28VDC after it is rectified and filtered) for them LM3886 if you want it to be 4 ohm stable....
50 replies | 936 view(s)
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06-17-2013, 12:29 AM
Hong, did you buy the pcb's already full, or just bare pcb's and stuffed them yourself?
I am thinking oscillation, also.
Do you have a...
50 replies | 936 view(s)
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06-16-2013, 11:01 PM
There is no way to make that speaker dipole. All the drivers are either cupped, or chambered by a box.
Pretty speaker, but not dipole. Look at...
83 replies | 2291 view(s)
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06-16-2013, 10:13 PM
Ok what pcb's do you have?
What schematics?
what test equipment do you own?
When the amp shuts off what conditions: was it hooked up to a source,...
50 replies | 936 view(s)
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06-16-2013, 01:16 PM
What Toroid do you have? Do you have a link to the datasheet? Also, what power supply did you build? This would really help me to help you.
For...
50 replies | 936 view(s)
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06-16-2013, 09:22 AM
Thanks! That's a very inspiring speaker for reference. I've been trying to figure out how I'm going to do a reinforcement spline so it is not a...
83 replies | 2291 view(s)
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06-13-2013, 10:06 PM
I have crossed this tweeter at LR4 as low as 1500Hz but it was a bookshelf speaker. And I did notice it's distortion rose audibly when pushed hard....
22 replies | 688 view(s)
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06-12-2013, 10:33 PM
I've got an SAE amp you can have for dirt ($40), and there's a 15" sub that all you need is a clas D amp that's 2 ohm stable PE sells, or FleaBay....
6 replies | 340 view(s)
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06-12-2013, 08:22 PM
I think he is going by oddiophool after that video.
24 replies | 791 view(s)
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06-11-2013, 08:12 PM
Sad but true, I will hide my head in the sand.
:(
27 replies | 686 view(s)
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06-11-2013, 05:02 PM
I think Maxine's took presidence over getting the missing cable for the measurements.
27 replies | 686 view(s)
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06-10-2013, 05:53 PM
I would like a sub for HT.
94 replies | 1330 view(s)
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06-10-2013, 12:54 PM
It was great to see folks again. Maxines was hopping saturday night and their band was terrific. The outdoor ensembles were also fun and the music...
27 replies | 686 view(s)
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06-09-2013, 04:11 PM
Your tweeter high pass and mid low pass definitely are 2nd order acoustic transfer and should behave as expected. So you should need the tweeter to...
22 replies | 688 view(s)
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06-09-2013, 09:25 AM
Wanted to thank everyone for showing. Appreciate the recording engineers for the Hot Springs Music Festival dropping in and giving some pointers and...
27 replies | 686 view(s)
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06-08-2013, 07:54 PM
First question when you refer to LR2 you do mean LR2 acoustic correct? It is often very difficult to achieve LR2 acoustic transfer function unless...
22 replies | 688 view(s)
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06-08-2013, 06:08 PM
We don't have orange!!
Nice preamp BTW:)
16 replies | 420 view(s)
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06-08-2013, 05:48 PM
We get it in TX too:)
16 replies | 420 view(s)
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06-07-2013, 05:36 PM
Um sure. We can go with that, or that its Friday.
4 replies | 295 view(s)
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06-07-2013, 01:16 PM
I have settled on driver selection A) because I found them at a good price, and B) As promised, I selected drivers from PE catalog pages.
The PPB...
4 replies | 295 view(s)
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06-07-2013, 12:51 PM
There is parking next to the Administration Building which is 200 Whittington Avenue the building past the old residence hall. Pine street is between...
27 replies | 686 view(s)
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06-07-2013, 11:12 AM
around 5-6pm, dinner sounds good....you have never let us down on food and drinks!
27 replies | 686 view(s)
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06-07-2013, 11:12 AM
http://www.youtube.com/watch?v=SrZw8RToN2Y
Listening to her a lot lately
47 replies | 940 view(s)
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06-07-2013, 11:04 AM
Biggest issue will be the change in diffraction that the baffle dimensions cause. If you keep the baffle dimensions the same then changing the volume...
23 replies | 394 view(s)
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06-07-2013, 10:48 AM
First you quoted me and then stated it was not true and you referenced google. You said the elbows create no restriction in your rebuttal to my post...
44 replies | 987 view(s)
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06-07-2013, 08:46 AM
We will be in the Board Room for the speakers and amps. That is where we had the presentations on software crossover design and cabinet design last...
27 replies | 686 view(s)
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