| 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 (K3808) (Ceramic Magnet, PepperPot Waveguide) |
| Impedance (Nominal) | 8Ω |
| Impedance (Minimum) | 5.5Ω |
| Sensitivity | 96dB/W/m |
| Power Rating (Continuous) (70Hz-1kHz) | 120W |
| Power Rating (Continuous) (1kHz-20kHz) | 60W |
| Power Rating (Peak) (70Hz-1kHz) | 500W |
| Power Rating (Peak) (1kHz-20kHz) | 250W |
| Maximum SPL (Continuous Power Rating, 50Hz-20kHz) (1m) | 116dB |
| Maximum SPL (Peak Power Rating) (1m) | 123dB |
| Distortion (Third Harmonic, 90dB SPL, 50Hz-20kHz) | <0.5% |
| Distortion (Third Harmonic, 110dB SPL, 100Hz-15kHz) | <2.0% |
| Distortion (Third Harmonic, 114dB SPL, 100Hz-10kHz) | <5.0% |
| 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 | - Input (Bi-Ampable) · Binding Post (Universal)
|
| Controls | - Treble Energy (Shelving) (3kHz-20kHz) · Rotary Switch · ±3dB, 5 Steps
- Treble Roll-Off (Slope) (5kHz-20kHz) · Rotary Switch · +0dB/-6dB per octave, 4 Steps
- Presence Energy (1.5kHz-4kHz) · Rotary Switch · -1.5dB/+3dB, 4 Steps
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| 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. |
