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#1
Posted to rec.audio.misc
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Connecting computer to amp causes great interference
Hello all,
I wanted to copy old vinyls to CD, so I got me an RCA-to-minijack cable, and connected it to the TAPE2 rec out of my Yamaha RX-530 tuner amplifier. After fiddling with the computer line in adjustments, I found a suitable level for recording, and the transfer works nice. But if the minijack is connected to the computer, I have much noise in the regular outputs, loudspeakers and headphone. If I disconnect the jack, it goes away. Is there something I am doing wrong here, or is it that the cable itself is faulty? Thank you in advance! |
#3
Posted to rec.audio.misc
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Connecting computer to amp causes great interference
wrote in message ups.com... Hello all, I wanted to copy old vinyls to CD, so I got me an RCA-to-minijack cable, and connected it to the TAPE2 rec out of my Yamaha RX-530 tuner amplifier. After fiddling with the computer line in adjustments, I found a suitable level for recording, and the transfer works nice. But if the minijack is connected to the computer, I have much noise in the regular outputs, loudspeakers and headphone. If I disconnect the jack, it goes away. Is there something I am doing wrong here, or is it that the cable itself is faulty? Thank you in advance! You have not said what type of noise, but a ground loop would be the most likely to cause a problem in this context. Try disconnecting any connection to a cable TV system. If that's not it, you could try audio isolation transformers as someone else suggested, though personally I'd just lift the ground for the computer. People think this is dangerous, but it's really not. The ground just goes to the computer case, that's all. You'd have to have something inside the power supply short to the case before lifting the ground would ever be a problem. Mark Z. |
#4
Posted to rec.audio.misc
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Connecting computer to amp causes great interference
You have an electrical fault in your system. What you are doing should work
otherwise. -- --------------------- DaveW --------------------- wrote in message ups.com... Hello all, I wanted to copy old vinyls to CD, so I got me an RCA-to-minijack cable, and connected it to the TAPE2 rec out of my Yamaha RX-530 tuner amplifier. After fiddling with the computer line in adjustments, I found a suitable level for recording, and the transfer works nice. But if the minijack is connected to the computer, I have much noise in the regular outputs, loudspeakers and headphone. If I disconnect the jack, it goes away. Is there something I am doing wrong here, or is it that the cable itself is faulty? Thank you in advance! |
#5
Posted to rec.audio.misc
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Connecting computer to amp causes great interference
On 4 syys, 02:36, "DaveW" wrote:
You have an electrical fault in your system. What you are doing should work otherwise. -- --------------------- DaveW Okay, I'll try to fix that somehow. How does one ground a laptop computer? It's an Acer TravelMate 8100. Thanks for all your hints & tips, folks! Appreciate 'em very much. |
#6
Posted to rec.audio.misc
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Connecting computer to amp causes great interference
On 3 syys, 14:12, "Mark D. Zacharias" wrote:
You have not said what type of noise, but a ground loop would be the most likely to cause a problem in this context. Try disconnecting any connection to a cable TV system. Mark Z. This was it! I just unplugged the radio aerial and the noise disappeared. Now I get quality CDs from my vinyls, thank you so very much! |
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