Visaton BG 20 8 OHM
[BG 20-8] Avis/Critiques
20 cm (8") full-range speaker with tweeter dome. High efficiency. Suitable for full-range units as vocal or guitar monitors or as a mid-range unit for full-scale or musicians' PA systems.
Typical applications:
- Midrange unit for full scale or musicians' PA systems
- Vocal or guitar monitors
- Fullrange speaker for electronic organs and keyboards
Recommended cabinets:
30 l (closed)
30 l ; 1x BR 15.34
50 l ; 1x BR 15.34 (length 7 cm)
Technical Data:
Rated power 40 W
Maximum power 70 W
Nominal impedance Z 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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