pioneer sa 508

Good day all, can anybody plse suggest modern replacement trannies for a Pioneer SA 508 amp. download gta sa clean The output trannies are 2SD 883A and 2SB 773A These were the old gullwing type Help much appreciated ! I have thought about MJE15030/ 15032 and MJE15031/ 15033 Or Maybe BD243C/BD244C, These might be the best option