ISOPHON HM6 (LA 2110 6103) (2.5" 65mm, AlNiCo) cone tweeter [SIEMENS RL-15], 1955-1967, made in Germany

Installed in SIEMENS RL-15...

These professional drivers have extremely light paper cones with center screw and strong potted AlNiCo magnets for high efficiency which makes them perfect widerange tweeters. The impedance is 8 ohms / RDC 5.0 ohms each.

Dimensions: 65x65x35 mm