Do i have a blown speaker internally? only getting mono sound..

when i got home today i put on itunes and when to listen to a song with my headphones plugged in... only to find i'm only getting sound out of the left ear! initial reaction is that my headphones are broke, which i wouldnt have been too choked about. but i plugged it into external computer speakers and sound only comes out of the left speaker which means its definitley the computer.. i've done the whole test in preferences and i only get fuzz out of the right ear. is this a blown internal speaker or something? how should i fix it or get it fixed, there is no apple store around where i am. i'd appreciate some help as i am a musician and i bought the macbook to record with logic.. i can't really do it with only the left side
thanks

Well if the issue is apparent when you're using headphones, it's extremely unlikely that a failure of the internal speakers would be the cause.
Check in System Preferences and make sure that the stereo balance slider is centered (seems obvious, but I've been caught out by this more than once.)
-Rob

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**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: CX20585 Analog [CX20585 Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 1: CX20585 Digital [CX20585 Digital]
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card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
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[ 6.822649] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11
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Do i have a blown speaker internally? only getting mono sound..

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