| Model ID | GRF 90 |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 55.1 × 124 × 46.5 cm (W × H × D) |
| Frequency Response | 24Hz-27kHz (-6dB) |
| Driver | 12" Dual Concentric (Midrange/Bass: Paper Pulp Cone, 2" Voice Coil Treble: 2" Aluminum/Magnesium Alloy Dome) |
| Sensitivity | 95dB/2.83V/1m |
| Impedance (Nominal) | 8Ω |
| Impedance (Minimum) | 5Ω |
| Recommended Amplifier Power | 20W-280W RMS |
| Power Handling (RMS) | 140W |
| Power Handling (Peak) | 560W |
| Dispersion | 90° Conical |
| Crossover Frequency | 1.1kHz (2nd Order) |
| Enclosure Type | Dual Rear Ported Bass Reflex |
| Enclosure Volume | 210l |
| Enclosure Construction | High Density Fibre Board, Birch Ply, Solid Walnut Trim (2" Thick Front Baffle) |
| Finish | Walnut |
| Connections | - Input (Biwired) · Binding Post (Universal)
|
| Controls | - Shelving (1.1kHz-27kHz) · ±3dB
- Slope (5kHz-27kHz) · +2dB to -6dB per octave
|
| Notes | Limited edition model with a run of 90 pairs to celebrate Tannoy's 90th anniversary. Strongly positive reception prompted re-release as a standard offering. |
