683A
| Brand | Altec Lansing, Altec |
| Manufacturer | Altec Lansing Corporation |
| Function | Microphone |
| Produced | 1960 |
| Country | United States |
| Form Factor | Handheld / Stand Mounted |
| Signal Path | Passive Hardware |
| Weight | 0.7lbs |
| Frequency Response | 45Hz-15kHz |
| Element Type | Dynamic |
| Directivity Pattern | Cardioid |
| Diaphragm | Polyester |
| Output Impedance | 30/50Ω, 150/250Ω, 20kΩ (Selectable) |
| Output Level | -54dBm/10dynes/cm² |
| Hum (ref. 10⁻² gauss) | -120dB |
| Finish | Black and Green, Dark Brown and Platinum Pink, Brushed Chrome |
| MSRP (1960) | $66 |