1 pair Altec 34852 Diaphragm replica 16 ohm (for 604.802.804.806.902) This diaphragm material.sound and technical characteristics are similar to the original ALTEC 34852 diaphragm. Aluminum diaphragm.CCAR ribbon wire.paper bobbin. 1 pair = $76 INTERNATIONAL SHIPPING Asia, the arrival time of 5-12 days.Europe and North America 10-30 days.