5,5 C 1,5 CP

Coaxial unit for HiFi and Studio Monitor
Code: Z002810

Nominal overall diameter: 5.5″
Nominal voice coil diameter: LF 1.5″ / HF 1″
Magnet material: LF Ferrite / HF Neodymium
Basket material: Aluminium Die-Cast
Power: 240 W
Sensitivity: LF 89.8 dB / HF 93.5 dB
Frequency range: 60-20000 Hz




  • Rated Power measured with 2 hours test with pink noise signal, 6dB crest factor, loudspeaker in free air, power calculated on rated Zmin
  • Power on Continuous Program is defined as 3 dB greater than the Rated Power
  • Sensitivity calculated by Thiele and Small parameters, for SPL average in box refer to frequency response
  • Thiele and Small parameters measured with laser system after preconditioning test
  • Xmax measured with respect to a THD of 10%
  • Xvar value corresponding to a decay of the Force Factor, or Compliance, or both, equal to the 50% of the small signal value.
  • Due to continuing product improvement, the features and the design are subject to change without notice.


Informazioni aggiuntive

General Specifications
Nominal Diameter

140 mm / 5,5 in

Nominal Impedance LF

8 Ω

Nominal Impedance HF

8 Ω

Sensitivity @ 1W/1m LF

89.8 dB

Sensitivity @ 1W/1m HF

93.5 dB

Voice Coil Diameter LF

38 mm (1.5")

Voice Coil Diameter HF

25 mm (1")

Voice Coil Winding Depth LF

12 mm

Voice Coil Winding Depth HF

1.7 mm

Magnetic Gap Depth LF

5 mm

Magnetic Gap Depth HF

2 mm

HF Recommended Crossover Frequency

3.0 kHz

Magnet Weight LF

515 g

Magnet Weight HF

14 g

Net Weight

1.7 Kg

Rated Power AES

120 W

Continuos Program Power

240 W

Constructive Characteristics
Magnet Type

Ferrite (LF) Neodymium (HF)

Basket Material

Aluminium Die-Cast

Surround Material


LF Voice Coil Winding/Former Material

Copper / Kapton

HF Voice Coil Winding/Former Material

Copper / Aluminium

LF Cone Material


HF Dome Material

Treated Silk

HF Spare Parts Code


Mounting Information
Overall Diameter

148 mm

Baffle Cutout Diameter

113 mm

Mounting Holes

6 holes Ø5 on Ø139 mm

Total Depth

73.5 mm

Thiele/Small Parameters





621 µm/N


5.4 l

X max

+/- 4.0 mm


0.37 %




10.6 g


7.89 Tm


78.5 cm²

X var

+/- 6.0 mm

Le (1KHz)

0.50 mH

Re (LF)

5.1 Ω

Re (HF)

6.0 Ω

Fs (LF)

62.0 Hz

Fs (HF)

1500 Hz