Bridgold 10pcs MJE3055T MJE3055 NPN Bipolar (BJT) Single Transistor,10 A/60V,is Designed for General Purpose of Amplifier andswitching Applications: Amazon.com: Industrial & Scientific
IIVVERR Low Frequency Power Amplifier Silicone NPN Transistor 5 Pcs (Amplificador de potencia de baja frecuencia con transistor NPN de silicona, 5 piezas : Amazon.ca: Tools & Home Improvement
NTE Electronics NTE157 NPN Silicon Transistor for Audio Power Amplifier, High Voltage Converter, TO-126 Case, 0.5A Continuous Collector Current, 325V Collector–Base Voltage: Amazon.com: Industrial & Scientific
NTE Electronics PN2907A Silicon PNP Transistor Audio Amplifier and Switch, TO-92 Package, 45ns Turn-On Time, 0.8A Continuous Collector Current, 60V Collector-Emitter Voltage (Pack of 5): Amazon.com: Industrial & Scientific
NTE Electronics 2N5886 Silicon NPN Transistor for High Power Audio Amplifier, 25 Amp, 80V: Amazon.com: Industrial & Scientific
High Power Transistor, Transistor Audio Transistor 5 Pair, Power Amplifier Transistor with Black, 2SA1943 2SC5200 High Power Matched Audio Transistor Transistor Audio Transistor: Amazon.com: Industrial & Scientific