BESTO Transistor Amplifier kit has been designed specifically for the study of voltage gain, frequency response, input impedance, output impedance, current gain, power gain. FEATURES: l l l l l l l l Optional Accessories: l l Decade Resistance Box DSO 50MHz Cat. No. 2105 l All types of Electronic components are provided on the front panel. A variable signal generator 1 Hz – 250 Khz built in. Range selector and Fine pointer knob is provided for frequency. Output 4mm.