Beckwith Electronics


Hamburg, Illinois 62045
(618) 232-1139

(618) 232-1172 fax

Contact Us

Miniature Speakers - Round Metal Frame Types
Part Number Rated Power
(watts)
Nom. / Max.
Voice Coil
Impedance
(Ohms)
Resonant
Frequency
(Hz)
Frequency
Response
(Hz)
Magnet
Weight
(Ounces)
Frame
Depth
(mm)
Frame
Diameter
(mm)
Net
Weight
(Ounces)
S150RA 0.1 / 0.2 8 + 15% 500 Fo~5200 0.35 15.8 38.0 0.79
S175RA 470 + 90 16.6 44.5 0.87
S200RA 0.2 / 0.5 450 + 90 Fo~4500 19.1 50.0 1.39
S225RA 400 + 90 20.0 57.0 1.45
S250RA 0.2 / 0.3 330 + 90 Fo~5000 21.0 66.0 1.55
S275RA 0.3 / 0.6 280 + 90 21.8 70.0 1.62
S300RA 0.25 / 0.5 250 + 90 23.2 77.0 1.71
S350RA 0.5 / 1.0 190 + 40 Fo~12000 0.36 27.2 92.0 2.04
S400RA 180 + 40 Fo~20000 35.1 102.0 2.40


Miniature Speakers - Square Metal Frame Types
Part Number Rated Power
(watts)
Nom. / Max.
Voice Coil
Impedance
(Ohms)
Resonant
Frequency
(Hz)
Frequency
Response
(Hz)
Magnet
Weight
(Ounces)
Frame
Depth
(mm)
Frame
Diameter
(mm)
Net
Weight
(Ounces)
Mounting
Dimensions
Dia. (mm)
S200SA 0.1 / 0.2 8 + 15% 450 + 90 Fo~5000 0.35 18.0 50.5 1.46 56.5
S250SA 0.5 / 0.8 350 + 50 21.4 66.5 1.65 73.5
S300SA 0.25 / 0.5 250 + 50 25.0 77.0 1.98 85.5
S350SA 0.5 / 1.0 190 + 38 Fo~12000 27.0 92.0 2.12 103.0
S400SA 0.5 / 1.0 180 + 36 Fo~20000 33.6 102.0 5.29 115.0