Mansfield
| Brand | Tannoy |
| Function | Speaker |
| Produced | 1974-1975 |
| Country | United Kingdom |
| Model ID | Lancaster |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 53.3 × 83.8 × 31.8 cm (W × H × D) |
| Driver | 15" Dual Concentric (HPD385) (AlNiCo Magnet (Alcomax 5), PepperPot Waveguide) |
| Power Rating | 85W |
| Impedance | 8Ω |
| Enclosure Type | Sealed |
| Finish | Walnut, Teak |
| Connections |
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| Controls |
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| Links | Driver: Tannoy HPD-385 |
| Notes | Renamed Lancaster |