The frequency response of the unit was impressive for its class, often extending well beyond 14kHz or 16kHz when using high-bias Chrome or Metal tapes. This ensured that recordings didn't sound muddy but retained the "crispness" of the original source.
| Model | Head Type | Wow & Flutter | Metal Capable | Bias Adjust | |-------|-----------|----------------|---------------|--------------| | | GX | 0.055% | No | No | | Pioneer CT-F650 | Permalloy | 0.07% | No | Yes | | Technics RS-M205 | HPF | 0.045% | No | No | | Sony TC-K5 | Ferrite | 0.08% | No | No | akai cs-f21