| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 107 × 152.5 × 73 cm (W × H × D) |
| Weight | 85kg |
| Frequency Response | 50Hz-20kHz ±4dB |
| Driver | 15" Dual Concentric (HPD385A) (AlNiCo (Alcomax 5) Magnet, PepperPot Waveguide) |
| Impedance (Nominal) | 8Ω |
| Impedance (Minimum) | 5.5Ω |
| Sensitivity | 96dB/W/m |
| Power Rating | 85W |
| Crossover Frequency | 350Hz (Acoustic), 1kHz (Second Order (12dB/Oct), Time Compensated) |
| Enclosure Type | Compound Horn |
| Enclosure Volume | 515l |
| Enclosure Composition | Birch Plywood, Solid Walnut Trim |
| Finish | Walnut |
| Connections | |
| Controls | - Treble Energy (Shelving) (1kHz-20kHz) · Rotary Switch · ±3dB, 5 Steps
- Treble Roll-Off (Slope) (5kHz-20kHz) · Rotary Switch · 4 Steps
|
| Links | Driver: Tannoy Monitor HPD 385A |
| Notes | Joint production effort of TEAC building the enclosures for the Japanese market according to original GRF Autograph plans and Tannoy supplying the drivers and crossovers. |
