Acoustic filter frame for AKG K612 PRO headphones

thingiverse

Acoustic filter frame for AKG K612 PRO headphonesFrame designed for placing acoustic filter cut from felt (3 mm thickness) in front of driver of AKG headphones K612 PRO. May be also suitable for K601, K701, K702, K712. It is NOT suitable for K500/501 and K400/401.Filter has been applied according to measurements presented here: https://diyaudioheaven.wordpress.com/headphones/measurements/akg/akg-k612/Uploaded are two versions:100% size - fits to the headphone plastic with clearance, for fixing necessary small piece of double side tape or locked by mesh of ear-pads (only this version is presented on pictures);101% size - enlarged version which might be fixed in orginal plastic above the driver;Additionally there are uploaded for the same headphones:DXF file for cutting headband elastic guide;Nut-ring for assembly headband;