Project Planar. Koss ESP.9 Electrostatic Stereophones and E.9 Electrostatic Stereophone Energizing Source. #vintage #headphone #headfi #audio #stereo #geekery #electrostatic #koss (Taken with Instagram)

Project Planar. Koss ESP.9 Electrostatic Stereophones and E.9 Electrostatic Stereophone Energizing Source. #vintage #headphone #headfi #audio #stereo #geekery #electrostatic #koss (Taken with Instagram)

07/22/12 at 9:45pm