The Otari can be purchased for either half - or quarter-track, but it can't do both, IIRC; Technics did make machines that played both formats. But both Otari and Technics are better machines than the TEACs, imo.
The Tandberg TD-20A and TD-20SE are good decks, too.
The Tandberg TD-20A and TD-20SE are good decks, too.