to have a hefty power supply. 12Volts at 5 Amps according to the spec sheet. I've got one from a BA745 I found in the someone's trash but I haven't done anything with it. But I think I will build it as a 4 channel amp. And its a good idea to have a hefty heatsink as well.
OK pin no.3 and pin no. ? should be connect with 4.7 ohm resistance. input ground is pin no. ? and can i connect pin no.4 with 470uf 16v