Velleman K4301 Pink Noise Generator
This an excellent kit, easy for those handy with a soldering iron, can produce pink or white noise by making small mod which is fully explained in instructions. Ideal as signal source for long term test of e.q. controls on multi channel studio sound mixers ensures you hear or don't the correct operation of all tone controls of 24, 48 or more channel strips, prevents you missing faults due to prolonged listening tiredness or long term ear strain. Very low operating current from either 9 volt battery or 12 volt d.c. power source. Signal level suitable for most audio inputs with trim pot available to set maximum output.
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