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Older Activity
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Today, 07:25 PM
You mean the problem's not just balloons for birthday parties and people making funny voices? ;)
24 replies | 272 view(s)
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Today, 05:54 PM
Do you know why? We're actually running into short supply of Helium, and it's just going to keep getting worse.
24 replies | 272 view(s)
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Today, 05:16 PM
What happens here is this - Qes is a measurement of electromagnetic damping of the driver's resonance. This is directly related to the amount of...
10 replies | 241 view(s)
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Today, 05:06 PM
Very sad news indeed. What a tragedy, he was much too young.
10 replies | 436 view(s)
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Today, 01:36 PM
Nice price for a good amp. :cool:
48 replies | 932 view(s)
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Today, 10:49 AM
VERY COOL! That had to be a sight to see...
Marc- the first I didn't know was called a Tiger moth and we have those around here. The second...
22 replies | 784 view(s)
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Today, 10:44 AM
Impedance comp can be out of bandwidth or limited range, and that does make it harder or near impossible
to hear. Thing is- B&W do have a bottom...
40 replies | 974 view(s)
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Today, 10:38 AM
Yes, Alan- 2 100uF polarized 50VDC caps back to back yield a 50uF 100VDC cap.
Later,
Wolf
40 replies | 974 view(s)
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Today, 10:08 AM
The 15W/8530K00 is repped as having the best bass in 15 ltrs. I think in my 18 ltrs I was able to get 35 Hz outta them. In 15 ltrs, marginally higher...
6 replies | 378 view(s)
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Today, 01:50 AM
What's all this about 'burning-in' wires? Here I thought cryogenic freezing was the bees-knees!!
FWIW- most of the patch cables that they sell in...
46 replies | 874 view(s)
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Today, 01:24 AM
It says 0.58ft^3 is the 'optimum' vented volume, but truth be told that is just a suggestion. There are MANY alignments of box that you can use to...
54 replies | 4281 view(s)
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Yesterday, 04:33 PM
The blue paragraph is incorrect. If you drive both coils, whether in series, parallel, or if you drive both coils separately via two different...
10 replies | 241 view(s)
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Yesterday, 05:37 AM
That should work fine. PM incoming.
Yes, it is plug and play. PM incoming.
28 replies | 766 view(s)
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Yesterday, 03:44 AM
I've not noticed audible diferences in places where the bandwidth was limited with the lesser parts. If you use an LCR across a tweeter to comp its...
40 replies | 974 view(s)
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Yesterday, 02:38 AM
Hmmm- an electrolytic Mundorf! I hadn't seen those yet.
Anyway- A Solen 47 isn't that large. 1.7" x 2.4" for the 400VDC version. The 250VDC is...
40 replies | 974 view(s)
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Yesterday, 02:16 AM
Funny this is mentioned, as Sunday (okay early Monday morning, around 2am) I had something beating on my garage door, and then flying around the...
22 replies | 784 view(s)
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05-21-2013, 09:21 PM
One more thing - I can send you the frd files for the woofer and the passive radiator if you want to load them into something and sum them yourself. ...
50 replies | 1090 view(s)
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05-21-2013, 08:51 PM
Do you like the way we hid something useful and informative in a thread no one sees?
50 replies | 1090 view(s)
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05-21-2013, 08:50 PM
It's the latter. You can see all of that in this graph:
50 replies | 1090 view(s)
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05-21-2013, 08:43 PM
;) Several years ago on the old Mad board Dave Ellis posted that everytime he ate popcorn and listened to music everything about the music sounded...
50 replies | 1090 view(s)
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05-21-2013, 08:10 PM
Ground planes can be good, but aren't really necessary for anything audio. When restricted to a two layer board I find it better to use both layers...
10 replies | 270 view(s)
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05-21-2013, 07:37 PM
I designed the board assuming people would want to use different opamps. Notice that the relay shorts the output, it isn't in the signal path. Don't...
28 replies | 766 view(s)
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05-21-2013, 05:44 PM
I think the RF immunity is worth it, but you're right that the value is kind of high.
28 replies | 766 view(s)
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05-21-2013, 05:43 PM
I did some more with this today, so I could best understand what was happening. I was able to save out the port response from 1Hz to 20khz with phase...
50 replies | 1090 view(s)
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05-21-2013, 05:12 PM
Yes.
2 replies | 81 view(s)
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05-21-2013, 03:53 PM
Yes, the OPA2134 was a Burr-Brown until Texas Instruments bought them. I think the new ones I bought still have the BB logo, though so I doubt...
28 replies | 766 view(s)
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05-21-2013, 03:28 PM
Thanks foxfire. What made you choose the BUF-03's?
On the BOM i have the molex connectors and crimp terminals listed as optional as most people...
28 replies | 766 view(s)
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05-21-2013, 02:35 AM
The larger you get, the lower the 'blemish' comes into play. These all have that resonance issue I've mentioned before.
The 1805 has the least Xmax...
25 replies | 5459 view(s)
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05-21-2013, 02:15 AM
Contrary to the popularly defined term 'signal path', all components in a xover either parallel or in series are in the signal path. Sound is AC, so...
40 replies | 974 view(s)
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05-21-2013, 02:10 AM
I'll have a set of N26K and N26MGR hopefully 'fore the month's out!
I like the red, Dan! Looks like 'Red Pepper' from Krylon.
Later,
Wolf
109 replies | 3382 view(s)
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