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MacBook Pro problem?
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Fresh-Faced Recruit
Join Date: Feb 2006
Status:
Offline
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I got my MacBook Pro yesterday. I didn't notice this at all until today, but it's possible there was just too much ambient noise in my area.
I may have just discovered the first problem with the MacBook Pros that Apple just started shipping.
It's more of an annoyance, rather than a problem, but it's one I don't think Apple is capable of fixing (at least with this revision). Apple made the decision to make the new power connector have a magnetic attachment -- the magnet is on the side of the MacBook Pro where the headphone jack and the audio in is on. When the MacBook Pro is plugged in with the MagSafe connector attached, all you can hear is the quiet hum of the fans inside. However, if you detach the MagSafe connector, you will encounter a high pitched buzzing noise very similar to the noise found on the first generation iPod minis. Depending on how much ambient noise is in the area and how sensitive your ears are, you may not notice it.
Does anyone else notice this?
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Posting Junkie
Join Date: Oct 2005
Location: Houston, TX
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I've noticed similar sounds using headphones with a number of (Mac and PC) laptops. It seems to depend heavily on what headphones you are using.
If it is a big problem for you, look into an external USB or FW audio device.
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Mac Elite
Join Date: Oct 1999
Location: Bloomington, IN, USA
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Interesting. Yes, computer soundcards are often loud and aren't as isolated as they perhaps should be. I really do like my Headroom Bithead, for all it's worth.
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MP 4x2.66 10/240GB SSD RAID 0+4 Drive RAID 0&1 MBP 2.8/6/1TB RAID 0+SSD Mini 2.26/4/120 iPhone 4 32G iPad 3G 64G
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Moderator  Join Date: Oct 2001
Location: San Jose, CA
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I think this is referring to capacitor hum which does not come from the speakers. Can you verify whether this is a sound coming from the speakers or headphones or the high-pitched sound of singing capacitors?
Steve
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Fresh-Faced Recruit
Join Date: Feb 2006
Status:
Offline
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I can't tell if it is from the internal speakers or if it is capacitor hum. I don't use headphones, so its not that.
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Fresh-Faced Recruit
Join Date: Aug 2005
Status:
Offline
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Yeah, this kind of thing is an especially big problem if you have sensitive headphones like Shure or Etymotic or Ultimate Ears. An easy fix is to increase the resistance. Get Radio Shack's $7 level attenuator and turn the volume down on that, then increase it on your computer. It will eliminate the interference from the hardware.
http://www.radioshack.com/product/in...entPage=search
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