Here you have a rare chance to get hard to find a genuine Sanken NOS transistors 2SA1117 / 2SC2608. Those transistors are the same Sanken production as models 2SA1116 / 2SC2607, but with higher max. collector current (2SA1116/2SC2607 has Ic max. 15A, but 2SA1117/2SC2608 has Ic max. 17A) so because of that 2SA1117/2SC2608 Sanken combination is 200 W power combination (instead 2SA1116/2SC2607 150W).
Why it is important? Because Sansui recommended 2SA1116/2SC2607 as direct replacement for Sansui TO3 power transistors NMA/NMC what you can find in AU819, AU919 or BA-F1. The next picture is from official Sansui Service manual
Sansui G9700 receiver has 2SA1116/2SC2607 combination in power output, so why not to use power transistors with higher max. Ic current, it is safer. All other parameters such us Vcbo, Vceo, Vebo, fT and so on... are the same at the both combinations, only 2SA1117/2SC2608 has higher max. Ic and max, power!
Because those transistors are out of production more than 20 years, so on some of them lettering could be faded (look example on the last picture), but still they are NOS, and unused, and genuine Sankens!