| Rated power	 | 
  
          40 W
       | 
  | Maximum power	 | 
  
          70 W
       | 
  | Nominal impedance Z	 | 
  
          8 Ohm
       | 
  | Frequency response	 | 
  
          fu–6000 Hz
       | 
  | (fu: Lower cut-off frequency depending on cabinet)	 | 
  
          .
       | 
  | Mean sound pressure level	 | 
  
          87 dB (1 W/1 m)
       | 
  | Opening angle (-6 dB)	 | 
  
          54°/4000 Hz
       | 
  | Excursion limit	 | 
  
          +/−7.5 mm
       | 
  | Resonance frequency fs	 | 
  
          57 Hz
       | 
  | Magnetic induction	 | 
  
          1.0 T
       | 
  | Magnetic flux	 | 
  
          240 µWb
       | 
  | Height of front pole-plate	 | 
  
          3 mm
       | 
  | Voice coil diameter	 | 
  
          25 mm
       | 
  | Height of winding	 | 
  
          7 mm
       | 
  | Cutout diameter	 | 
  
          146 mm
       | 
  | Net weight	 | 
  
          0.77 kg
       | 
  | D.C. resistance Rdc	 | 
  
          7.2 Ohm
       | 
  | Mechanical Q factor Qms	 | 
  
          2.92
       | 
  | Electrical Q factor Qes	 | 
  
          0.9
       | 
  | Total Q factor Qts	 | 
  
          0.69
       | 
  | Equivalent volume Vas	 | 
  
          24 l
       | 
  | Effective piston area Sd	 | 
  
          137 cm²
       | 
  | Dynamically moved mass Mms	 | 
  
          8.7 g
       | 
  | Force factor Bxl	 | 
  
          5.0 T m
       | 
  | Inductance of the voice coil L	 | 
  
          0.9 mH
       | 
  | Connections | 
  
          4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)
       |