Autograph Professional
| Brand | Tannoy |
| Function | Speaker |
| Produced | 1968 |
| Country | United Kingdom |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 99.1 × 152.4 × 61 cm (W × H × D) |
| Frequency Response | 30Hz-20kHz |
| Driver | 15" Dual Concentric (Monitor Red) (x2) (AlNiCo Magnet (Ticonal-G), PepperPot Waveguide Woofer: Paper Cone, 2" Voice Coil Treble: 2" Aluminum Alloy Dome) |
| Impedance | 8Ω (16Ω Optional) |
| Efficiency | 10% |
| Power Handling | 100W |
| Crossover Frequency | 350Hz (Acoustic), 1000Hz |
| Enclosure Type | Compound Horn |
| Finish | Walnut |
| Connections |
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