Audio-Technica Consumer AT81CP Conical Phonograph Cartridge for P-Mount Turntables john-mayer-signature Battery Life: Approximately 1 hour

Battery Life: Approximately 1 hour 10 minutes

die-cast zinc chassis prevents resonance and vibrations

Refill For 4670 Blue 12/Bag

Dual headphone output with individual volume and source selection

Audio-Technica Consumer AT81CP Conical Phonograph Cartridge for P-Mount Turntables john-mayer-signature Battery Life: Approximately 1 hourThis 0. 6 mil conical cartridge fits P mount turntables. Specifications Cartridge & Stylus Frequency Response: 20 20,000 Hz Channel Separation: 18 (dB at 1 kHz) Vertical Tracking Angle: 20 Vertical Tracking Force: 1. 0 1. 5 g (1. 25 g standard) Stylus Construction: Bonded round shank Recommended Load Impedance: 47,000 ohms Coil Impedance: 2. 8 k ohms (1 kHz) DC Resistance: 410 ohms Coil Inductance: 400 mH (1 kHz) Output Voltage: 3. 5 mV (1 kHz, 5 cm