SD-900/E
| Brand | Supex |
| Function | Turntable Cartridge (Moving Coil) |
| Country | Japan |
| Form Factor | ½" Standard Mount |
| Signal Path | Analog Hardware |
| Weight | 10g |
| Frequency Response | 5Hz-40kHz ±1.5dB |
| Type | Moving Coil |
| Output Voltage | 0.2mV |
| Channel Balance | ±0.5dB |
| Channel Separation | >27dB |
| Impedance | 3.5Ω |
| Compliance | 18x10⁻⁶cm/dyne |
| Tracking Angle | 20° |
| Stylus Force | 1-1.5g |
| Stylus | 0.3x0.8mil Elliptical Diamond |
| Quadraphonic (CD-4) Compatible | Yes |
| MSRP (1975) | $125 |