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#1
Posted to rec.audio.pro
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Analog Transfer from a Computer Sound Card
Is tying the left and right outputs of a computer sound card together a
problem? http://goo.gl/s1Brc |
#2
Posted to rec.audio.pro
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Analog Transfer from a Computer Sound Card
"mcp6453":
Is tying the left and right outputs of a computer sound card together a problem? http://goo.gl/s1Brc read this http://www.rane.com/note109.html and check out some of the other Rane notes (Support - Library) for useful general information. hope that helps, Phil |
#3
Posted to rec.audio.pro
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Analog Transfer from a Computer Sound Card
On 5/1/2011 7:31 PM, Phil W wrote:
"mcp6453": Is tying the left and right outputs of a computer sound card together a problem? http://goo.gl/s1Brc read this http://www.rane.com/note109.html and check out some of the other Rane notes (Support - Library) for useful general information. hope that helps, Phil Les and Phil, thanks for the article. I totally understand the problem. My question probably centers more around whether computer manufacturers have already included a resistor in series with the outputs to prevent damage when the outputs are shorted or combined. Any thoughts? |
#4
Posted to rec.audio.pro
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Analog Transfer from a Computer Sound Card
mcp6453 wrote:
Les and Phil, thanks for the article. I totally understand the problem. My question probably centers more around whether computer manufacturers have already included a resistor in series with the outputs to prevent damage when the outputs are shorted or combined. Any thoughts? Even if there is no damage, there will be distortion. My thought is to make up a couple cables with 22 ohm series resistors in them. 3.5mm TRS on one end, XLR on the other. Breakout resistors inside the XLR since there's more room in there. --scott -- "C'est un Nagra. C'est suisse, et tres, tres precis." |
#5
Posted to rec.audio.pro
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Analog Transfer from a Computer Sound Card
mcp6453 wrote:
Is tying the left and right outputs of a computer sound card together a problem? http://goo.gl/s1Brc It can be. http://www.rane.com/note109.html -- Les Cargill |
#6
Posted to rec.audio.pro
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Analog Transfer from a Computer Sound Card
mcp6453 wrote:
On 5/1/2011 7:31 PM, Phil W wrote: "mcp6453": Is tying the left and right outputs of a computer sound card together a problem? http://goo.gl/s1Brc read this http://www.rane.com/note109.html and check out some of the other Rane notes (Support - Library) for useful general information. hope that helps, Phil Les and Phil, thanks for the article. I totally understand the problem. Ach! My bad, then " My question probably centers more around whether computer manufacturers have already included a resistor in series with the outputs to prevent damage when the outputs are shorted or combined. Any thoughts? I would not assume that. A VOM measurement might be of value, but it might not be. -- Les |
#7
Posted to rec.audio.pro
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Analog Transfer from a Computer Sound Card
mcp6453 wrote:
Les and Phil, thanks for the article. I totally understand the problem. My question probably centers more around whether computer manufacturers have already included a resistor in series with the outputs to prevent damage when the outputs are shorted or combined. Any thoughts? Standard design for a headphone output is series resistors in the hundreds ohm range, it would surprise me greatly if it wasn't adhered to, but it is also standard design for a stereo-mono y-cord to include series resistors in the 05. to 1 kohm range. Kind regards Peter Larsen |
#8
Posted to rec.audio.pro
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Analog Transfer from a Computer Sound Card
On 5/1/2011 6:58 PM, mcp6453 wrote:
Is tying the left and right outputs of a computer sound card together a problem? Usually not. -- "Today's production equipment is IT based and cannot be operated without a passing knowledge of computing, although it seems that it can be operated without a passing knowledge of audio." - John Watkinson http://mikeriversaudio.wordpress.com - useful and interesting audio stuff |
#9
Posted to rec.audio.pro
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Analog Transfer from a Computer Sound Card
Il 02/05/2011 0.58, mcp6453 ha scritto:
Is tying the left and right outputs of a computer sound card together a problem? http://goo.gl/s1Brc yes, other than the "rane" suggestion, consider to monoing "digitally" and use just one output instead of 2. |
#10
Posted to rec.audio.pro
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Analog Transfer from a Computer Sound Card
"mcp6453" wrote in message
On 5/1/2011 7:31 PM, Phil W wrote: "mcp6453": Is tying the left and right outputs of a computer sound card together a problem? http://goo.gl/s1Brc read this http://www.rane.com/note109.html and check out some of the other Rane notes (Support - Library) for useful general information. hope that helps, Phil Les and Phil, thanks for the article. I totally understand the problem. My question probably centers more around whether computer manufacturers have already included a resistor in series with the outputs to prevent damage when the outputs are shorted or combined. Any thoughts? It's pretty standard to put a "building out" resistor in series with the off-board output of any op amp. Value - 22, 75, 220, 620 ohms. It is also pretty standard to include some kind of short-circuit protection. That all said, the 100% safe (or as close to that as you can get) solution for Y-cables includes some series resistors of its own. I usually use 620 ohm resistors. |
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