We are making use of cookies to provde the finest working experience on our website according to our privacy plan. The theremin makes use of the heterodyne principle to deliver an audio signal. The instrument's pitch circuitry incorporates two radio frequency oscillators established beneath 500 kHz to reduce radio interference. https://manual-lifting-equipment50378.daneblogger.com/37217001/the-ultimate-guide-to-pallet-gate-uk