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Small Electric Buzzer with flying red and black leads. 8 to 16VDC 30mA. 78dB
Piezo Sound Bomb. Double piezo element for very loud dual tone. 105dB @ 1 metre. 84 x 32 x54mm. 6-15VDC @ 90mA max. 1.5kHz 0 2.8KHz 150mm flying leads.
Very Loud Piezo Siren 105db, with mounting flange.
Piercing Siren Tone. Centre frequency approx 2KHz. 6-15VDC,
85mA/105dB @ 1M.
W 42mm. H 27.5mm. D 52mm
Fixing Centres 58mm
Piezo Element - self oscillating. 35mm diameter. 30V max, 2.6KHz.
Resonant Impedance 250 ohms.
Capacitance at 1KHz = 28nf
Very Loud Piezo Siren with mounting bracket. 6-12VDC, 200mA/100dB @ 12V/100mm. Very Loud Siren Tone. 1.5KHz-3.5KHz. 45 x 40 x 59mm. Mounting Centres 22mm
Piezo Sounder with mounting flange. 8-16VDC, 13mA/85dB @ 12V/300mm. Continuous 3.1KHz tone.
Piezo Sounder with mounting flanges
3 to 28VDC, 7mA @ 12V
Continuous 2.8KHz tone
42mm dia x 16mm high
Sound pressure 85dBA @ 12V 30cm
Ultrasonic Transducer - Transmitter at 25KHz. Sends piercing sound omindirectionally. Cannot be heard by normal human ears, but sends frightening sound to horses, cats, dogs, mice, rats, birds etc etc. 25KHz presents a lower frequency sound than conventional 40KHz transducers and is more effective in animal and pest control.
Ultrasonic Transducer - Receiver at 40KHz. Sensitivity 65dB. 30K impedance. Matched for transmitting on MA40T
Ultrasonic Transducer - Transmitter at 40KHz. Sensitivity 106dB. 500R impedance. Matched for receiving on MA40R