Celestion G12H150, Redback 8Ω. There are some scratches due to use, but there were no problems with the operation or sound. I am selling it because I no longer have the opportunity to use it. The only included item is the original box in the photo. - Specifications - ■ Diameter: 12" ■ Impedance: 8Ω ■ Power Handling: 150W ■ Frequency Range: 70-5000Hz ■ Sensitivity: 100dB ■ Magnet: Ceramic ■ Unit Weight: 4.7kg ■ Other: ■ Chassis Type: Pressed steel ■ Voice Coil Diameter: 2 inches ■ Voice Coil: Round copper ■ Magnet Weight: 1.42kg ■ Baffle Diameter: 283mm ■ Magnet Diameter: 168mm ■ Mounting Screw Hole Diameter: 7.9mm ■ Diameter between Mounting Screw Holes: 297mm Mounting slot PCD ■ Number of Mounting Screw Holes: 8 ■ Dimensions: 309mm x 309mm x 138mm