Waves, sound and light • 31 Loudspeaker, small
This small loudspeaker approximates a point source of sound. Use two with function generator 2502.50 in experiments with interference of sound waves. Mounted on a 10 mm diameter rod. Power: 1W into 25Ω Dimensions: 165 mm x Ø 67 mm.
2505.00 Loudspeaker, small
Microphone
The small size of this microphone makes it ideal for experi- ments with sound interference. Other typical applications are measurement of sound frequencies, speed of sound experi- ments and the recording of sound by data loggers. It is supplied with a one metre cable with a 6 pole, 240° DIN plug which connects directly to the electronic counter type 2002.50 or student timer 2006.60. The microphone can be connected to an oscilloscope or other measuring instruments via type 2515.60 power supply. The frequency range is 20-20,000 Hz. Supplied with Ø 10 mm support rod. Dimensions: 105 mm x Ø 30 mm.
2485.10 Microphone without stand
2485.10
2505.00
Microphone probe
Used for measurement of sound pressure levels in locations which are hard to access. The probe is intended for use with 2480.10 resonance tube. Full description on page 33.
2515.50 Microphone probe
2515.50
Power supply – battery box 2510.51 Loudspeaker
This three-way full range speaker system can be used with e.g. the type 2502.50 function generator in the study of sound, frequency, amplitude and timbre. A Ø 10 mm steel rod makes it easy to place the loudspeaker on a stand base like 0006.00 (not included). Frequency range: 60 - 20.000 Hz Power: 50 W into 4 Ω Dimensions: H x W x D: 215 x 116 x 110 mm.
2510.51 Loudspeaker Passion for Science
Microphones type 2485.10 are usually powered by a counter or timer. Microphone probe 2515.50 is powered when con- nected to appropriate datalogging equipment. If these microphones are to be used as stand-alone units (for instance with an oscilloscope), they need external power - which is provided by this battery box. Full description on page 33.
2515.60 Power supply
2515.60
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