Califone 2800-RD First Stereo Headphones Operational Guide
Califone 2800-RD First Stereo Headphones SPECIFICATIONS Speaker CONE 30mm Mylar MAGNET Ferrite IMPEDANCE 25 Ohms each side+/-15% FREQUENCY RESPONSE 20 - 20KHz SPL 110 db +/- 3db R/L OUTPUT DIFFERENCE 3 db RATING INPUT min 20mw, max 30mw DISTORTION 5%…