HP-V59
Year: 1988
Frequency Response (Hz): 10-25,000
Sensitivity (dB/mW) : 104
Impedance (Ohms):16
Review / Info: Samarium-cobalt drivers. Confirmed to have the same construction as the HP-V57, with an additional mono/stereo switch. The HP-V53 also has the same construction but without an in-line volume control as the former 2.