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Cento CK 165 F
Technical Highlights
- Power: 90 W RMS, 270 W Peak, Impedance: 4 Ohm, SPL: 93 dB.
- Frequency response: 65 22.5k Hz, tweeter: 26 mm diaphragm, 20 mm coil.
- Woofer voice coil: 25 mm, crossover: 2-way passive.
- More technical details
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Cento CK 165 F by Hertz
Hertz Cento CK 165 F is a 16.5 cm Speaker Set with C 26 Tweeter (26 mm Tetolon diaphragm, 20 mm voice coil) and flat CK 165 F mid-bass driver. The nominal power handling is 90 W RMS, the peak power handling is 270 W, and the impedance is 4 Ohms. The frequency response is 65–22.5 kHz with a sensitivity of 93 dB. The C 26 uses a neodymium magnet and a FEM-optimized faceplate geometry. The CK 165 F features a flat installation profile, a semi-pressed paper diaphragm with mica powder, a neodymium magnet, and low-carbon pole plates, as well as a pure copper voice coil on an aluminum former. The passive Crossover CCX 2 is ultra-compact, with high-frequency level adjustable in two steps (0, +3 dB), low-loss capacitors, pure copper coils, and ventilation slots. A metal Speaker Grille in a plastic frame is included. The crossover frequency of the filter is at 2.5 kHz with 12 dB/octave.
- 16.5 cm Speaker Set
- C 26 Tweeter with 26 mm Tetolon diaphragm and 20 mm voice coil
- Neodymium magnet on the tweeter
- Tweeter faceplate geometry optimized with FEM
- CK 165 F mid-bass driver with flat installation profile
- Semi-pressed paper diaphragm with mica powder
- Neodymium magnet and low-carbon pole plates on the mid-bass driver
- Pure copper voice coil on aluminum former (mid-bass driver)
- Ultra-compact passive Crossover CCX 2
- High-frequency level adjustable: 0, +3 dB
- Low-loss capacitors and copper coils (crossover)
- Ventilation slots on the crossover
- Metal Speaker Grille in a plastic frame
- Slim basket with reduced depth
- Size: 165 mm
- Power handling RMS: 90 W
- Power handling Peak: 270 W
- Impedance: 4 Ohms
- Sensitivity: 93 dB
- Frequency response: 65–22.5 kHz
- Crossover frequency: 2.5 kHz at 12 dB/oct.
- Crossover type: passive 2-way crossover
- Tweeter diaphragm: 26 mm
- Tweeter voice coil: 20 mm
- Mid-bass driver voice coil: 25 mm
- Weight of woofer: 0.72 kg
- Weight of tweeter: 0.03 kg
- Weight of crossover: 0.185 kg
- D: 134 mm
- Re: 2.7 Ohms
- Fs: 80 Hz
- Le: 0.154 mH
- Vas: 9.40 l
- Mms: 12 g
- Cms: 0.33 mm/N
- BL: 3.9 Tm
- Qts: 0.80
- Qes: 1.00
- Qms: 3.4
- Spl: 93 dB

