Beckwith Electronics


Hamburg, Illinois 62045
(618) 232-1139

(618) 232-1172 fax

Contact Us

Micro-Miniature Low Profile

Height Less Than 6.5mm

Round Metal Frame Types - Standard Voice Coil Impedance 8 Ohms + 15%
Part
Number
Rated Power
(watts)
Cone
Material
Resonant
Frequency
(Hz)
Frequency
Response
(Hz)
Magnet
Type
Frame
Depth
(mm)
Frame
Diameter
(mm)
Net
Weight
(Grams)
Nom.Max.
SR800RS-M 0.1 0.2 Mylar 500 + 20% Fo~7000 Rare Earth 3.0 20 2.4
S110RS-M 0.2 0.4 550 + 20% Fo~8000 4.8 28 5.3
S110RMSS 0.5 1.0 590 + 20% Fo~10000
S125RS-M 0.1 0.2 450 + 20% 5.8 30 7.7
S125RS-M-R2W 0.2 0.3 4.85 32 8.5
S150RS-M-R5W 0.5 1.0 550 + 20% Fo~6000 4.6 36 7.5
S150RS-M 0.2 0.3 4.3
S160RS-M-R5W 0.5 1.0 530 + 20% 4.8 40 9.2
S200RS-M 0.2 0.3 350 + 20% Fo~7000 5.7 50 16.25

Round Plastic Frame Types - Standard Voice Coil Impedance 8 Ohms + 15%
Part
Number
Rated Power
(watts)
Cone
Material
Resonant
Frequency
(Hz)
Frequency
Response
(Hz)
Magnet
Type
Frame
Depth
(mm)
Frame
Diameter
(mm)
Net
Weight
(Grams)
Nom.Max.
S100RMFL 0.1 0.2 Mylar 650 + 20% Fo~4800 Ferrite 5.6 27 6.0
S125RMFL 670 + 20% Fo~5000 6.0 29 8.2
SR800RMS 850 + 20% Fo~7000 Rare Earth 4.0 20 1.7
S100RMSS 530 + 20% Fo~5000 28 2.9
S125RMSS 0.2 0.3 500 + 20% Fo~6000 30 2.9
S150RMSS 0.1 0.2 420 + 20% 3.9 36 4.2
S150RRMSS-R2W 0.2 0.3 460 + 20% Fo~5000
S160RMSS 0.2 0.4 430 + 20% Fo~4000 4.3 40 5.2

Square Plastic Frame Types - Standard Voice Coil Impedance 8 Ohms + 15%
Part
Number
Rated Power
(watts)
Cone
Material
Resonant
Frequency
(Hz)
Frequency
Response
(Hz)
Magnet
Type
Frame
Depth
(mm)
Frame
Diameter
(mm)
Net
Weight
(Grams)
Mounting
Dimensions
Dia. (mm)
Nom.Max.
S125SLA 0.2 0.3 Mylar 860 + 20% Fo~6000 Rare Earth 4.5 32 x 32 3.6 37.5
S150SLA 460 + 20% Fo~5000 40 x 40 5.8 46.6
S150SLA-R5W 0.5 1.0 550 + 20% Fo~10000 4.8 9.0 47.0
The above speakers are available, on a special order basis, in a variety of voice coil impedances.
The most common impedances are 4, 16, 32, 45 and 100 Ohms.

Sub-Miniature Low Profile

Height More Than 6.5mm

Round Metal Frame Types - Standard Voice Coil Impedance 8 Ohms + 15%
Part
Number
Rated Power
(watts)
Cone
Material
Resonant
Frequency
(Hz)
Frequency
Response
(Hz)
Magnet
Type
Frame
Depth
(mm)
Frame
Diameter
(mm)
Net
Weight
(Grams)
Nom.Max.
S150RLS 0.1 0.2 Paper 700 + 20% Fo~5000 Rare Earth 8.0 38 10.4
S150RL-R2W 0.25 0.5 540 + 20% Fo~4000 8.2 40
S175RL 0.1 0.2 470 + 20% Fo~4500 8.3 44.5 11.8
S200RL 0.25 0.5 450 + 20% 9.0 50 12.8
S200RL-R2W 480 + 20% Fo~4000 8.8
S225RL 0.1 0.2 400 + 20% Fo~4800 9.6 57 14.8
S225RL-R3W 0.3 0.5 390 + 20% Fo~3800 9.7

Round Plastic Frame Types - Standard Voice Coil Impedance 8 Ohms + 15%
Part
Number
Rated Power
(watts)
Cone
Material
Resonant
Frequency
(Hz)
Frequency
Response
(Hz)
Magnet
Type
Frame
Depth
(mm)
Frame
Diameter
(mm)
Net
Weight
(Grams)
Nom.Max.
SR800RMF 0.1 0.2 Mylar 680 + 20% Fo~5500 Ferrite 8.9 20 7.4
S100RMF 750 + 20% Fo~4500 8.8 27 7.68
S125RMF 710 + 20% Fo~4000 8.5 29 8.2
S150RMF 250 + 20% Fo~5500 9.5 40 16.0
S150RMFS 540 + 20% Fo~4000 8.3 38 18.2
S100RMS 0.3 0.6 700 + 20% Fo~5500 Rare Earth 7.4 28 9.8
S125RMS 0.4 0.8 670 + 20% Fo~10000 30
S200RMS 0.2 0.4 320 + 20% Fo~3500 8.0 50 10.7

PC Mount

Round Plastic Frame Types - Standard Voice Coil Impedance 8 Ohms + 15%
Part
Number
Rated Power
(watts)
Cone
Material
Resonant
Frequency
(Hz)
Frequency
Response
(Hz)
Magnet
Type
Frame
Depth
(mm)
Frame
Diameter
(mm)
Net
Weight
(Grams)
Termination
& Spacing
Nom.Max.
S900R-PC 0.1 0.2 Mylar 850 + 20% Fo~3500 Rare Earth 10.0 23 3.6 2Pin- 10mm
S100RMF-PCR 670 + 20% Fo~7000 8.8 27 7.8 2Pin- 5mm
S110R-PC 0.15 0.2 1000 + 20% Fo~5500 12.0 30 10.0 2Pin- 15mm
S125R-PC 1100 + 20% Fo~4000 15.0 32 12.9 2Pin- 17.5mm

Square Plastic Frame Types - Standard Voice Coil Impedance 8 Ohms + 15%
Part
Number
Rated Power
(watts)
Cone
Material
Resonant
Frequency
(Hz)
Frequency
Response
(Hz)
Magnet
Type
Frame
Depth
(mm)
Frame
Diameter
(mm)
Net
Weight
(Grams)
Termination
& Spacing
Nom.Max.
S150SL-PC 0.2 0.3 Mylar 560 + 20% Fo~3500 Rare Earth 4.8 3.6 x 42.5 7.8 2Pin- 4.5mm
The above speakers are available, on a special order basis, in a variety of voice coil impedances.
The most common impedances are 4, 16, 32, 45 and 100 Ohms.