| Component | Coaxials |
| Size mm (in.) | 165 (6.5) |
| Power Handling - Continuous W | 100 |
| Power Handling - Peak W | 200 |
| Impedance Ohm | 4 |
| Woofer Voice Coil Ø mm (in.) | 36 (1.42) |
| Tweeter Voice Coil Ø mm (in.) | 20 (0.8) |
| Frequency Response Hz | 45 ÷ 21,5k |
| Woofer Magnet size D x d x h mm (in.) | 90 x 45 x 17 (3.54 x 1.77 x 0.67) |
| Tweeter Magnet size D x h mm (in.) | 29.5 x 22 x 4 (1.16 x 0.87 x 0.16) |
| Weight of one speaker kg (lb.) | 1.27 (2.8) |
| Woofer Magnet | High density flux ferrite |
| Tweeter Magnet | Neodymium |
| Cone | Pressed-pulp cone with cotton fibers |
| Dome | Tetolon |
| Xmech mm (in.) | ±6 (0.24) |
| D mm | 132 |
| Re Ohm | 3,1 |
| Fs Hz | 90 |
| Le mH | 0,01 |
| Vas I | 4 |
| Mms g | 18,9 |
| Cms mm/N | 0,15 |
| BL T*m | 5,8 |
| Qts | 0,88 |
| Qes | 1,06 |
| Qms | 5,5 |
| Spl dB | 92 |
| A | 165 mm | 6.5 in. |
| B | 141 mm | 5.55 in. |
| C | 74 mm | 2.91 in. |
| D | 62,6 mm | 2.46 in. |
| E | 183,5 mm | 7.22 in. |
| F | 29 mm | 1.14 in. |
1. CONCENTRIC COAXIAL TWEETER: built in the woofer voice coil, achieving one single point of emission, to re-create the virtual sound-stage like in live music performances.
2. TWEETER SUPPORT WORKING AS A REAR CHAMBER: sized for low Fs, to ensure a well damped high pass frequency roll-off, allowing low cut-off frequency crossover point.
3. 36 MM PURE COPPER WOOFER VOICE COIL: wound on a Polyamide former, for outstanding power handling and dynamic compression-free reproduction.
4. PRESSED-PULP CONE WITH COTTON FIBERS: combining stiffness and lightweight for a wide frequency response. Cone profile geometrically refined to perfectly match with the tweeter emission ensuring phase consistency in the crossover area.
5. “BOUNDARY FREE” RUBBER SURROUND: for improved efficiency and wider midbass frequency. (Logo Boundary Free)
6. OVER-SIZED FERRITE MAGNET: combined with very low carbon content iron plates, for low distortion at high power levels.
7. BASKET: low mounting depth, acoustically transparent aluminium alloy basket with elegant diamond cutting and featuring the aluminium Hertz logo.
8. ANTI-VIBRATION RUBBER MAGNET COVER: to damp spurious vibrations.
This technology provides the ability to achieve wider emission surface of the cone compared to speakers with same diameter; that way, the cone manages to move a bigger mass of air, so it produces more acoustic pressure.
This special surround is built from highly pure IIR butyl rubber, ensuring extraordinary thermal and mechanical linearity.
