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For Sale: Koss PortaPro (modified by HiFlight)

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This Classified is Closed

For Sale:
Koss PortaPro (modified by HiFlight)

Will Ship To: Continental U.S.

For sale is my Koss Porta-Pro with mod performed by Head-Fi user HiFlight.

 

Details of the mod can be seen on Ron's site, http://www.hiflightaudio.com, but the modifications include replacement of the plastic driver covers with a pattern of drilled holes, application of resin coating, and replacement of stock pads (included as extra) with larger, open-center pads. Note that this is the standard impedance version.

 

Selling because I purchased simply to understand what Charles Altmann used as his reference when tuning the Tera-Player.

 

Price includes PayPal fees and insured shipping inside the continental U.S. via UPS Ground. Sorry, but I'm not interested in trades or lower offers.

 

Thanks for looking.

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