Vintage headphone 1970's
unfortunately too late
Technical specifications
Lenco K-106 closed stereo headphone, mounted with stereo 6.3mm jack-connector.
Brand
Lenco
Type
Stereophonic Hi-Fi Headphone K-106
Year
1975
Origin
Burgdorf - Switzerland
Color
White & black
Size
Dimensions (WHD) 100 x 100 x 50 mm
Freq. response
16 - 22000Hz
Impedance
4 - 16 Ohm
Connector
Stereo 6.3mm jack-connector
Sensitivity
110 dB at 1 kHz by 1mW (sound pressure level)