Wave & Frequency Relevance Price: Low - High Price: High - Low Alphabetically: A - Z Alphabetically: Z - A 200kHz Pulse Generator £30.00 IPCIrwin AC Magnetic Field Coil £42.19 LED Array £85.00 Loudspeaker £29.70 Loudspeaker Amplifier £63.11 Loudspeaker Unit £58.63 Microphone £46.91 Ripple Tank £481.54 Signal Generator £159.98 Signal Generator & Amplifier £320.63 Velocity of Sound Kit £63.00 Velocity of Sound Switches £63.00 Vibration generator Resonance Strips and Spring £24.30 Vibration Generator+Accessories £105.30 Xenon Stroboscope £256.84