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Author Topic: Portable headphone amp for pcm10  (Read 472 times)

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Offline MBHOTAPER

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Portable headphone amp for pcm10
« on: December 09, 2017, 09:55:21 PM »
Bought an ebay pcm10 for steathing. Thanks jb63 for sending me the accessories he had in his closet ebay purchase was for the unit only.
It appears that the cmoy does not have the best op amps or rails for our use but bioscience geek on ebay does some interesting customized options. The objective 2 is described as much better unit with increased efficiencies and gain selection switch. Is the objective 2 realistically a decent field unit for our uses? The best one is 18v (2x9v rechargeable) with gain switch 2.5 3.3, 6.5 or 8x.
 
« Last Edit: December 10, 2017, 06:46:19 PM by MBHOTAPER »

Offline heathen

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Re: Portable headphone amp for pcm10
« Reply #1 on: December 10, 2017, 06:58:47 PM »
It depends a lot on what headphones you're using.  Maybe just get an easier to drive pair of headphones?
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Offline Ben Turnbull

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Re: Portable headphone amp for pcm10
« Reply #2 on: December 11, 2017, 12:49:10 AM »
^ Yeah, what cans are you trying to drive? I've been able to use AT M50, Sen 280pro and other sub 100 ohm units. IEM are not a problem either. I have the O2 on my desk and would not think to use it in the field, even if I could power it.  FWIW, it works well w/Sen 650's. I got the lower gain option.
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