SA 1072 and SC 2522 Suitable for Which type Amplifier A or AB

Hello,

I have Original Fujitsu's

6 Pair of SA 1072 and SC 2522

Silicon High Speed Power Transistors, NPN Ring Emitter Transistor (RET)

As per Datasheet this is High frequency Audio Power Amplifier.... Datasheet Attached

But i doesn't see any amplifier circuit diagram using with this Transistors Till today!

Expert friends if you have any Amplifier circuit diagram using above transistor please share me.....

Or... For which Amplifier design i can use this?

Thanks