| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 77.5 × 50.8 × 34.9 cm (W × H × D) |
| Weight | 82lbs |
| Frequency Response | 60Hz-15kHz |
| Treble | Sectoral Horn (Altec KS-12027, Altec 713C) |
| Midrange/Bass | 12" Paper Cone (Altec 728B) |
| Sensitivity (30W, 10⁻¹⁶W/cm²) | 93dB |
| Impedance (Nominal) | 4Ω |
| Crossover Frequency | 1kHz (Altec 702A, Altec 700A Attenuator) |
| Dispersion (Horizontal) | 90° |
| Power Handling | 30W |
| Enclosure Type | Sealed |
| Finish | Gray |
| Notes | Production of the Western Electric 757A continued by Altec after WE's transfer of sound system component production to the company October 1, 1949 to avoid government antitrust prosecution. |
