BlieSMa M74B-6 Mid-range woofer

Bliesma M74B-6 features large beryllium dome for low non-lineal distortions. Moving mass of the driver is as low as 1.8 g.

Impedance (Z)
6 Ω
Resonant Frequency (Fs)
440 Hz
Voice Coil Diameter
74 mm

€649.95

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SKU: M74B-6 Categories: , ,
Description

Highlights

  • 74 mm beryllium dome for wide bandwidth and low non linear distortion
  • Extremely low moving mass for better transient response and higher efficiency
  • Fully saturated neodymium motor with copper sleeve for low non linear and modulation distortion
  • 2.4 mm linear excursion (P-P) and large vent channel for undistorted low frequency operation
  • Thick aluminium powder coated flange
  • Aluminium rear chamber with natural wool damping
  • Recommended frequency range Fs – 6 kHz

 

Product details

BlieSMa M74B-6 Mid-range woofer

 

Single-layer ribbon voice coil of Bliesma M74B-6 is wound with copper-clad aluminum wire (CCAW) on titanium former. Wire terminals are gold plated.

 

Beryllium dome of Bliesma M74B-6 midrange is protected with grill. Thick aluminium mounting flange is black powder coated, aluminium rear chamber is filled with natural wool damping.

Specifications

Article numberM74B-6
EAN8785256844500
Woofer TypeBeryllium dome
Impedance (Z)6 Ω
Sensitivity (SPL at 1m / 2.83V)97 dB
Voice Coil Diameter74 mm
DC Resistance (Re)5.6 Ω
Voice Coil Inductance (Le)0.036 mH
Resonant Frequency (Fs)440 Hz
Mechanical Q (Qms)7.6
Electromagnetic Q (Qes)0.94
Total Q (Qts)0.84
Diaphragm Mass Inc. Airload (Mms)1.8 g
Surface Area of Cone (Sd)50.25 cm²
BL Product (BL)6.8 T*m
Maximum Linear Excursion (Xmax)1.2 mm
Voice Coil Wire MaterialCCAW
Article numberM74B-6
EAN8785256844500
Additional information
Woofer TypeBeryllium dome
Impedance (Z)6 Ω
Sensitivity (SPL at 1m / 2.83V)97 dB
Voice Coil Diameter74 mm
DC Resistance (Re)5.6 Ω
Voice Coil Inductance (Le)0.036 mH
Resonant Frequency (Fs)440 Hz
Mechanical Q (Qms)7.6
Electromagnetic Q (Qes)0.94
Total Q (Qts)0.84
Diaphragm Mass Inc. Airload (Mms)1.8 g
Surface Area of Cone (Sd)50.25 cm²
BL Product (BL)6.8 T*m
Maximum Linear Excursion (Xmax)1.2 mm
Voice Coil Wire MaterialCCAW
Shipping & Delivery
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