Difuzor 20cm fullrange Visaton VS-BG20 8ohm

20cm (8") fullrange speaker with tweeter cone. Due to balanced frequency response with very good low and high frequency reproduction suitable for sound reinforcement systems.

Impedance: 8 Ohm 
Power nominal: 40 Watt 
Power Max.: 70 Watt 
Frequency: 50-18kHz
Technical Data: 
• Rated power: 40 Watt 
• Maximum power: 70 Watt 
• Nominal impedance: 8 Ohm 
• Frequency response: fu–18000 Hz (fu: Lower cut-off frequency depending on cabinet) 
• Mean sound pressure level: 92 dB (1 W/1 m) 
• Maximum cone displacement: 8 mm 
• Resonance frequency: fs 38 Hz 
• Magnetic induction 1,2 T 
• Magnetic flux 380 µWb 
• Height of front pole-plate: 4 mm 
• Voice coil diameter: 25 mm 
• Height of winding: 8 mm 
• Cutout diameter: 184 mm 
• Net weight: 1,3 kg 
• D.C. resistance: Rdc 6,2 Ohm 
• Mechanical Q factor: Qms 3,47 
• Electrical Q factor: Qes 0,51 
• Total Q factor: Qts 0,44 
• Equivalent volume: Vas 110 l 
• Effective piston area: Sd 214 cm² 
• Dynamically moved mass: Mms 10 g 
• Force factor: Bxl 6,1 T m 
• Inductance of the voice coil: L 0,8 mH 
• Heat resistance: −25 ... 70 ?°C

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