BG 20 8 OHM

Art. No. 3020

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)

Used in / Accessories:
FIESTA 30
MB 208/H

sketch

frequency- and impedance response

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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