61-70" Diaphragm Full Range

Diaphragm   Material:            Phenolic Resin         PST-888 

Voice coil former Material: Kapton   

Voice Coil Material:                 Round Copper wire       

Voice Coil Diameter:               Φ62.2mm  

 Impedance:                                   8 Ohms    

Diaphragm   Material:            Titanium WN-D63                           Voice coil former Material: Kapton

Voice Coil Material:                Aluminium Ribbon    

Voice Coil Diameter:              Φ63mm  

Impedance:                                  8 Ohms    

Diaphragm   Material:           Titanium/PFK RCF ND650              

Voice coil former Material: Kapton   

Voice Coil Material:                Copper Clad Aluminium Ribbon   

Voice Coil Diameter:               Φ63.6mm  

Impedance:                                   16 Ohms