| Model ID | Quad Electrostatic Loudspeaker |
| Form Factor | Floorstanding |
| Signal Path | Analog Hardware |
| Dimensions | 83.8 × 63.5 × 7.6 cm (W × H × D) |
| Weight | 35lbs |
| Power | 100-120VAC, 200-250VAC, 50-60Hz 6W |
| Frequency Response | 45Hz-18kHz |
| Treble | Push-Pull Electrostatic |
| Midrange/Bass | Push-Pull Electrostatic (x2) |
| Impedance (40Hz-8kHz) | 30-15Ω |
| Dispersion (Horizontal) | 70° |
| Dispersion (Vertical) | 15° |
| Maximum Output (In Room) | 95dB |
| Roll-Off | 18dB/octave |
| Recommended Amplifier Power | 15W |
| Power Handling (Peak) | 33V |
| MSRP (1958) | £52 (MSRP (1977): £240) |
| Links | https://en.wikipedia.org/wiki/Quad_Electrostatic_Loudspeaker |
