ご覧頂きありがとうございます。訳ありデッドストック級 B&W DM220 スピーカー ②。Wave bands- withoutPower type and voltageNo Power neededLoudspeakerPermanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)MaterialWooden casefrom Radiomuseum.orgModel: S-603 - Olson Radio Corporation, OlsonShapeTablemodel, with any shape - general.Dimensions (WHD)12 x 12 x 4.5 inch / 305 x 305 x 114 mmNotes8 Ohm.Made in Japan.