Hertz CX 165 Cento Series 6.5" Coaxial Speakers

Hertz CX 165 Cento Series 6.5" Coaxial Speakers

Coaxial loudspeakers represent a major design challenge due to the critical nature of their acoustic output, being installed in an OEM placement often unfavorable to reproduction. For this reason, in order to achieve high performance, a great engineering effort was put into place, promptly addressed by our R&D team. The Cento two-way coaxials CX 165 features the new 24 mm (0.9 in.) Tetolon® dome tweeter that delivers a more musical and detailed sound compared to the more traditional plastic materials. The dispersion has been optimized for off-axis listening. The SPP-M cone (Semi Pressed Paper-Mica) ensuring superior acoustic and damping characteristics.

The coax tweeter concentric to the woofer of the MPX 165.3 car audio coaxial speakers allows for one single linear-phase emission point, for a natural timbre providing a detailed sound stage. Thanks to the “Center Tuning Duct” geometry, the tweeter resonance frequency is especially low and the employment of damping materials for the inside provides for a linear acoustic emission. The acoustic lens optimizes its off-axis response, which is typical with door installation of coax speakers; besides, the 36 mm diameter woofer generates deep and controlled bass frequencies.

Technical Specifications
Component: Coaxials
Size mm (in.): (6 x 9)
Power Handling - Continuous W: 100
Power Handling - Peak W: 300
Impedance Ohm: 4
Tweeter diaphragm mm (in.): 40 (1.58)
Woofer Voice Coil Ø mm (in.): 30 (1.2)
Tweeter Voice Coil Ø mm (in.): 28 (1.1)
Frequency Response Hz: 40 ÷ 23k
Woofer Magnet size D x d x h mm (in.): 100 x 32 x 15 (3.94 x 1.26 x 0.59)
Tweeter Magnet size D x h mm (in.): 19 x 3 (0.75 x 0.12)
Weight of one speaker kg (lb.): 1,55 (3.42)
Woofer Magnet: High density flux ferrite
Tweeter Magnet: Neodymium
Cone: Semi-pressed paper + Mica
Dome: PEI
Xmech mm (in.): 5,5 (0.22)

Electro-acoustic Specifications
D mm: 139
Re Ohm: 3,3
Fs Hz: 70
Le mH: 0,2
Vas I: 11,1
Mms g: 13
Cms mm/N: 0,34
BL T*m: 4,9
Qts: 0,67
Qes: 0,83
Qms: 3,3
Spl dB: 93,5

Physical Specifications

A: 238 mm: 9.37 in.
B: 224 mm: 8.82 in.
C: 95 mm: 3,74 in.
D: 78,5 mm: 3.09 in.
E: 268 mm: 10.55 in.
F: 29 mm: 1.14 in.

Frequency Response