04-17-2009, 01:13 PM
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500+ Head-Fi'er
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Join Date: Sep 2006
Location: London, UK
Posts: 918
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Here's a quick question, what is the purpose of that small PCB in the left ear cup? Does it have something to do with the impedance?
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Gear I: MacBook Pro 17" Optical --> Creative DD/DTS DAC --> Ultrasone HFI-650 (Old), Shure SRH840
Gear II: Sony Vintage D-171/D-E301/'iPod 5.5G Docked out In-line Volume Control' --> E500s, HFI-650 (Old), SRH840
An Audio Purist Would Always Be An Audiophile
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