6,5 C 1,5 CP

Coaxial unit for HiFi and Studio Monitor
Code: Z004102

Nominal overall diameter: 6.5″
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 91.0 dB / HF 93.9 dB
Frequency range: 55-18000 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

174 mm / 6.5 in

Nominal Impedance LF

8 Ω

Nominal Impedance HF

8 Ω

Sensitivity @ 1W/1m LF

91.0 dB

Sensitivity @ 1W/1m HF

93.9 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

Ferrite (LF) / Neodymium (HF)

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

175 mm

Baffle Cutout Diameter

143 mm

Mounting Holes

8 holes Ø5.5 on Ø164.2 mm

Total Depth

79.5 mm

Thiele/Small Parameters





745 µm/N


15.9 l

X max

+/- 4.5 mm


0.48 %




13.1 g


7.21 Tm


122.7 cm²

X var

+/- 8.0 mm

Le (1KHz)

0.44 mH

Re (LF)

5.1 Ω

Re (HF)

6.0 Ω

Fs (LF)

50.8 Hz

Fs (HF)

1500 Hz