| HD7504 | |
 |
Throat diameter 36mm (1.4in) Rated impedance 8 ohms Minimum impedance 8 ohms  more |
| HD7505 | |
 |
Throat diameter 36mm (1.4in) Rated impedance 8 ohms Minimum impedance 6.9 ohms more |
| HD7506 | |
 |
Throat diameter 36mm (1.4in) Rated impedance 8 ohms Minimum impedance 7.3 ohms more |
| HDCX12544ND | |
 |
Throat diameter 2"(50.8mm) Nominal impendance 8 or 16 Ohm Power capacity Middle Range(AES) 150W AES above 400Hz Peak 1000W peak above 500 more |
| M53501ND | |
 |
Nominal Diameter 127mm (5in) Bolt Circle Diameter 139mm Baffle Cutout Diameter 121mm Depth 95mm Flange and Gasket Thickness 7mm Net Weight more |
| M53502ND | |
|
Nominal Diameter 127mm(5in) Bolt Circle Diameter 139mm Baffle Cutout Diameter 121mm Depth 95mm Flange and Gasket Thickness 7mm Net Weight more |