This is One Piece Sumiko Oyster MM Cartridge with Stylus, brand new in box, not used before, 100% Authentic made by Sumiko from Japan.
The Oyster, with its bonded spherical stylus and rugged generator assembly, is for those seeking the most cost effective moving magnet cartridge to use in the widest applications. Ideal for use in the vast array of entry-level performance turntables and flexible enough to play 45 and 78 rpm recordings with excellent results, the Oyster is a perfect choice.
Specifications: -
Oyster
Cartridge Type : MM
Stylus Chip : Spherical
Cantilever material : Aluminum
Internal Impedance : 1,130Ω
Load Impedance : 47k Ohms
Frequency Response : 30Hz - 20kHz
Output Voltage : 4.0mV
Channel Separation : 25dB at 1kHz
Channel Balance : 1.0 at 1kHz
Compliance : 12 x 10-6cm/dyne
Tracking Force : 1.5 - 2.5 grams
Recommended Force 2: .3 grams
Cartridge Weight : 5.3 grams
SUMIKO no longer provide paper manuals with their products - you will find this is now common practice with most manufacturers. This is in an effort to be more environmentally-friendly.
The good news is you can easily find your manual on the Sumiko website at https://sumikophonocartridges.com/