Rumor: iPod Firmware Damages Headphones?
Posted on Feb 3, 08 09:23 PM PDT

Word on the street has it that Apple's firmware (ver. 1.1) for the iPod Classic might cause a serious electrical problem, sending residual electrical pulses through the headphone jack and docking connection. These pulses claim to measure as high as 500mv which could damage upset attached equipment such as headphones. In addition, there are folks who have reported that audio quality has suffered since installing the update, being introduced to foreigners such as hiss, static and buzzing while listening in. Are any of you iPod Classic owners out there suffering from the same problem after upgrading to the latest firmware? Apple has remained silent on this issue so far though.
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By jay , 04/02/08 8:21 AM (CommentID #464671)
Please check your info before you post. This is the original report from iLounge:
Following Apple’s release of the latest software for iPod classic, version 1.1, some users are reporting that the device now emits pulses of electrical current through its bottom line-out audio pins when it is turned off. According to a series of reports on the Head-Fi audio forums, in which users frequently connect high-end headphones to their iPods using bottom-connecting amplifier accessories, static-like noises and distortion can be heard from the turned-off iPod classic, resulting from what user Nine from Littleton, Colorado reports as “~.5v of DC on the line out whenever the iPod is off."
While this issue does not appear to affect the classic’s headphone port, and won’t impact the majority of iPod users’ headphones, those using Dock Connector-based amplifiers may want to downgrade their iPods to an earlier version of the firmware, or exercise caution when using other iPod accessories
By The Buzz , 04/02/08 4:57 AM (CommentID #464309)
When the iPod Classic automatically shuts down after a podcast or song, there is a strong buzz/feedback sound you can CLEARLY hear in the headphones or speakers if you have it connected to a iPod mini stereo.
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