Sound

Audio Transducers

Murata Piezo Sound Transducer
ST013

Murata Piezo Sound Transducer

PKM13EPYH4002. 4kHz resonant frequency, 12.6mm diam. PCB mount. Example code for using the transducer with an Arduino Uno is given here.
£0.50
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Miniature Electromagnetic Transducer
ST045

Miniature Electromagnetic Transducer

2.048kHz resonant frequency, 12mm diam. 8.5mm height. PCB mount
£0.31
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Piezo Transducer
ST006

Piezo Transducer

With flying leads. 23mm diam. 7mm height. 4kHz resonant freq. 30Vpp max driving signal voltage. 90dB at 10cm. 30mm fixing centres for 2mm screws....
£0.75
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Piezo Ceramic Element 20mm with flying leads.
ST075

Piezo Ceramic Element 20mm with flying leads.

Piezo element, 20mm diameter, fitted with 90mm red and black flying leads. 6kHz resonant frequency, 250 Ohm resonant impedance, 14nF capacitance.
£0.36
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Piezo Ceramic Element 27mm with flying leads.
ST076

Piezo Ceramic Element 27mm with flying leads.

Piezo element, 27mm diameter, fitted with 90mm red and black flying leads. 4kHz resonant frequency, 3000 Ohm resonant impedance, 25nF capacitance.
£0.42
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Piezo Ceramic Element 35mm with flying leads.
ST083

Piezo Ceramic Element 35mm with flying leads.

Piezo element, 32mm diameter, fitted with 90mm red and black flying leads. 3kHz resonant frequency, 500 Ohm resonant impedance, 35nF capacitance.
£0.50
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Budget Piezo Sounder
ST077

Budget Piezo Sounder

Built-in oscillator circuit - continuous tone. Operating voltage: 3-24Vdc. Diameter 30mm - Height 15mm Fixing holes 3.3mm diameter on 40mm centres....
£0.93
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Budget Piezo Sounder - Intermittent
ST078

Budget Piezo Sounder - Intermittent

Built-in oscillator circuit - intermittent tone. Operating voltage: 3-24Vdc. Diameter 30mm - Height 15mm Fixing holes 3.3mm diameter on 40mm centres....
£0.87
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Piezo Sounder
ST016

Piezo Sounder

Built-in oscillator circuit - continuous tone. Operating voltage: 3-30Vdc. Frequency 2.7kHz Output 90dB@12V Diameter 31.5mm - Height 13.5mm Sound...
£1.45
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Piezo Siren
ST019

Piezo Siren

>100dB two tone output. 2.9kHz. 6-15Vdc, 150mA. L:47 W:39 H:22mm. Ideal for alarm applications. Sound Sample
£2.69
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Piezo Siren: Bracket Mount
ST032

Piezo Siren: Bracket Mount

105dB 12V 1.2Hz warble output. 2.5-3.5kHz. 5-15Vdc, 200mA. 57.5x44.5x40mm. Ideal for alarm applications. Sound Sample
£3.96
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Mono Crystal Earpiece
ST082

Mono Crystal Earpiece

High impedance mono earphone with 3.5mm jack plug. Impedance 20M ohms - ideal for crystal radio set projects. Lead length 0.8m.
£1.32
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Loudspeaker 8-Ohm 2-inch
ST072

Loudspeaker 8-Ohm 2-inch

50mm diameter, 15mm deep, 500mW power handling. Paper cone.
£1.10
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Loudspeaker 8-Ohm
ST007

Loudspeaker 8-Ohm

66mm diameter, 18mm deep, 500mW power handling. Paper cone and solder tag connections.
£1.10
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Loudspeaker 64 Ohm
ST008

Loudspeaker 64 Ohm

66mm diameter 300mW
£1.14
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Loudspeaker 16mm 1W 8-Ohms
ST059

Loudspeaker 16mm 1W 8-Ohms

16mm diameter 1W 8-ohm speaker with 25mm flying leads. Foam surround with adhesive for sticking to a panel.
£1.43
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Loudspeaker 57mm Mylar 1W 8-Ohms
ST062

Loudspeaker 57mm Mylar 1W 8-Ohms

57mm diameter 1W 8-ohm mylar speaker. Overall thickness 8.5mm.
£1.34
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Loudspeaker 18mm 1W 8-Ohms
ST061

Loudspeaker 18mm 1W 8-Ohms

18mm diameter 1W 8-ohm miniature mylar speaker.
£1.98
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Loudspeaker 20mm 1.5W 8-Ohms
ST060

Loudspeaker 20mm 1.5W 8-Ohms

20mm diameter 1.5W 8-ohm miniature mylar speaker.
£2.14
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SoundLab Loudspeaker 75mm 10W 8-Ohms
ST063

SoundLab Loudspeaker 75mm 10W 8-Ohms

Foam edged paper cone with chrome hf dome. 78mm diameter, 10W rms, 8-ohm, 120Hz-16kHz. Resonant freq. 120Hz, Sens. 88dBV/Pa, wt 0.4kg
£7.18
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SoundLab Loudspeaker 100mm 15W 8-Ohms
ST064

SoundLab Loudspeaker 100mm 15W 8-Ohms

Weatherproof Mylar cone with chrome hf dome. 102mm diameter, 15W rms, 8-ohm, 210Hz-7kHz. Resonant freq. 210Hz, Sens. 98dBV/Pa, wt 0.568kg 4.8mm...
£8.38
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Electret Microphone Insert: Solder Pads
ST009

Electret Microphone Insert: Solder Pads

1.5V to 10V. 9.8mm x 7mm. With solder pads.
£0.84
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Electret Microphone Insert: PCB Pins
ST010

Electret Microphone Insert: PCB Pins

2.5V to 10V. 9.8mm x 7mm. With PCB pins.
£0.86
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Sound Detection Module
M014

Sound Detection Module

Electret microphone with comparator circuit for sound detection. Power ON and sound detected LED indicators. Digital and analogue outputs....
£1.07
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