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Visaton BG 20 8 Ohm, 8 Inch, Full Range Speaker

Part number: 3020

A high-efficiency 20 cm full-range driver for vocal and guitar monitors, keyboard cabinets and PA midrange duties.

Nominal size
20 cm / 8 inch
Impedance
8 Ω
Rated power
40 W
Cut-out
Ø 184 mm
Frame / fixing circle
Ø 205 / Ø 197 mm
Sensitivity
92 dB · 1 W/1 m
ex VAT
£43.14 inc VAT
Maximum quantity available reached.

Stock and dispatch
Selected products are held in UK stock; other lines are sourced to order. Dispatch timing depends on the product and quantity.

Delivery information. Need it for a specific date? Ask us.

Quantity discounts

Description

The BG 20 combines an 8 Ω load with a dual-cone design and 92 dB sensitivity at 1 W/1 m. Choose the enclosure to suit the application: its lower frequency limit depends on the cabinet.

Typical applications

  • Vocal and guitar monitors
  • Electronic organ and keyboard cabinets
  • Midrange sections in PA systems
Full specifications
BG 20 · 8 Ω
Rated power40 W
Maximum power70 W
Nominal impedance8 Ω
Frequency response (−10 dB)fu–18,000 Hz; lower limit depends on cabinet
Mean sound pressure level92 dB (1 W/1 m)
Opening angle (−6 dB)45°/4000 Hz
Excursion limit±6 mm
Resonance frequency (fs)38 Hz
Magnetic induction1.2 T
Magnetic flux380 µWb
Height of front pole-plate4 mm
Voice coil diameter25 mm
Height of winding8 mm
Cut-out diameter184 mm
Net weight1.3 kg
DC resistance (Rdc)6.2 Ω
Mechanical Q factor Qms3.47
Electrical Q factor Qes0.51
Total Q factor Qts0.44
Equivalent volume Vas110 l
Effective piston area Sd214 cm²
Dynamically moved mass Mms10 g
Force factor Bxl6.1 Tm
Inductance of the voice coil L0.8 mH
Terminals4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)
Temperature range–25 to 70 °C; contact us for use in extreme temperatures
Dimensions and drawings
Installation and cabinet guidance

Cabinet options:

  • 30 litre sealed cabinet: fc 82 Hz, Qtc 0.96.
  • 30 litre bass-reflex cabinet with a BR 15.34 port: tuning frequency 42 Hz.
  • 50 litre bass-reflex cabinet with a BR 15.34 port shortened to 7 cm: tuning frequency 42 Hz.

Cabinet and port components are not included with the driver.

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