Complex sentence: All models allow pitch control by varying the sample rate, and thus tape speed accordingly, so an original Blackface could record at 44.1 kHz (or another desired sample rate) if the pitch was lowered or raised by a specific amount.
Split into simpler sentences: All models allow pitch control by varying the sample rate, and thus tape speed accordingly. An original Blackface could record at 44.1 kHz (or another desired sample rate) if the pitch was lowered or raised by a specific amount.