{"product_id":"power-amplifier","title":"Power Amplifier","description":"\u003cp\u003eThe Power Amplifier is a very useful classroom resource that allows students to amplify and listen to a variety of audio sources ranging from microphones and audio devices with a 3.5mm headphone socket, to signal generators equipped with 4mm socket outputs. The amplifier is particularly suitable for driving Vibration Generators and Rubensâ€™ tubes when a power signal generator is not available. The amplifier has an internal 10W speaker that can be switched off\u003cbr\u003eWhen not required. The outputs are overload and short-circuit protected.\u003cbr\u003eOutput 3.5Wrms \/ 4ohm or 2Wrms \/ 8ohm\u003cbr\u003etotal harmonic distortion 0.05% (1W \/ 1kHz)\u003cbr\u003efrequency response 20Hz to 20kHz (-3dB)\u003cbr\u003esignal-to-noise ratio 86dB (A weighted)\u003cbr\u003einput sensitivity 40mV \/ 150Kohm\u003cbr\u003esupply voltage 12Vdc\u003c\/p\u003e","brand":"Unilab","offers":[{"title":"Default Title","offer_id":51272733163803,"sku":"HC1706910","price":162.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0915\/4363\/4203\/files\/HC1706910.jpg?v=1769447688","url":"https:\/\/abcschoolsupplies.ie\/products\/power-amplifier","provider":"ABC School Supplies ","version":"1.0","type":"link"}