Simple Audio Booster

Simple Audio Booster
This Audio booster circuit is very simple and can be applied to fm tuner or audio pre amplifier. The 2N3392  is a low-noise type transistor in TO-92 case. The transistor can can be replaced by a NTE199 or ECG199. If you wish to use a TUN, cross reference the parameters with one of the units from this list : TUP-TUN (more…)