This is a stereo cartridge that was released in the 1970s and became a sensation. It can be used in the same way as an MM cartridge. Stylus needles for FF15 etc. can also be used (e.g., NAGAOKA 62-105/II). ■ Output Voltage: 7.5mV (1kHz 5cm/sec) ■ Tracking Force: 0.75～1.5g ■ Load Resistance: 47kΩ ■ Stylus Tip: 0.3 x 0.6mil Sound output confirmed to be good with a tracking force of approximately 1.2g (personal subjective opinion). The degree of stylus wear is unknown. Appearance: Average condition for its age, with minor scratches and dullness. The box is in fair condition (personal subjective opinion). Please consider this item with the understanding that it is a vintage item from approximately 50 years ago. Due to the delicate nature of this product, complaints and returns (refunds) are not accepted.