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In Reply to: RE: Warning, Oppo firmware update almost blew my speakers... posted by ABliss on January 15, 2014 at 18:20:05
Several days ago I connected my "new" MAC Book Pro computer to the DAC in the Oppo 105 and heard a popping noise at the start of each album. Fortunately, my volume was very low (normal practice for me) and the pop caused no speaker problems.
I immediately called Oppo Digital who reports this happens when playing AIFF formatted albums (other formats may have similar problems). They are working on a fix it release to solve the issue.
As noted else where, it is very important to turn the volume down after a new software release is installed. I always lower my volume when first playing a disk. An Oppo beta release is available but I elected to hold for the official release due out shortly (I hope).
Follow Ups:
after one of their updates. Only on AIFF files, never happened with Apple lossless. As I recall it took 6 weeks to update that update and stop the pop.
Automatic updates are off in Windows(I've heard many horror stories from people that left them on) and when any update comes up for anything I have I wait for others to be guinea pigs and when enough say it's OK I then do it.
ET
of which I speak....this on my Mac and was a direct result of a update that I initiated. (I do not let auto updates happen, ever).
When I reported it to Logitech they asked me to send a number of reports from and about my Mac's logs and performance data. This went on for maybe 6 or more weeks as they updated the software using me as a guinea pig (not the only one I am sure). Finally after all that time they hit on a beta update that halted the pops and that was part of the next (immediate) update.
Edits: 01/19/14
I was referring to the OP's problem, experienced with a proper update, and not yours, experienced with a faulty one. I have amended my post to reflect this.
I was responding to Howgeif's response to that first post...sorry for any confusion!
The mentioned SBT update was defective (and computer updates can be) but the OP's Oppo update was not.The issue is that a DSP-controlled digital volume controls can be reset to to full volume by any of a number of processes that might be involved in an update and/or a factory reset. Unless there is a downstream attenuator in the system (a preamp or other volume control), all such devices must be restarted with care to insure that you do not repeat what happened to the OP. Check the volume level after every such firmware change before powering up the amps and speakers.
Edits: 01/19/14
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