Thank you for viewing! This is a DENON DXM 50 METAL POSITION cassette tape. Its retro design is appealing, and would be great for listening to music or for your collection. This is not the initial model, but a minor change that gives it a more luxurious finish. 【Brand】DENON 【Category】Cassette Tape 【Other】50 minutes, METAL POSITION Tape Type: Type IV, Magnetic Material: Metal Powder, Residual Magnetic Flux Density: 3,500 Gauss, Coercivity: 1,050 Oersted, Squareness Ratio: 0.8, Operating Bias: 165% (compared to chrome tape standard tape) Sensitivity: +2.0dB (333Hz), Frequency Response: +1.5dB (12.5kHz), +2.5dB (16kHz) Sensitivity Variation: 0.3dB (333Hz), Output Fluctuation: 0.3VU (8kHz), M.O.L.: +7.5dB, S.O.L.: +8.0dB (compared to chrome tape standard tape), Print-through: 59dB (1kHz), Erasure: 70dB (1kHz), S/N Ratio: 60dB ☆ Playback, recording, and rewinding have been confirmed. ★ Since this was manufactured a long time ago, it will be sold as-is. Thank you for your understanding. ★ The audio source will be erased before delivery. ★ The case has minor scratches due to long-term storage. ★ Shipping procedures will be completed within one day. Thank you.