HK 705

The Harman/kardon HK 705 is a cassette tape deck that was part of the HK 700 Series, manufactured in Japan between 1980 and 1983. Its design features a silver finish and it measures 385 x 90 x 350 mm, weighing 6.5 kg. The original price was approximately 730 DM in 1980. The device offers multiple input and output options, including line inputs with a level of 77.5 mV at 80 kOhm, as well as microphone inputs and various line outputs. It has advanced audio capabilities, featuring two audio heads—specifically a sendust head for both recording and playback, and a ferrite head for erasing. The HK 705 utilizes a servo-controlled DC motor and supports various tape types, such as Normal, Chrome, Ferrochrome, and Metal, with a comprehensive frequency response ranging from 30 Hz up to 18 kHz, depending on the tape type. The distortion factor is less than 1.0%, with a signal-to-noise ratio of 54 dB for chrome band and 64 dB with Dolby. It boasts features like auto reverse, title search, and Dolby noise reduction technologies. Other notable features include microphone inputs, output level control, a headphone jack, and a digital peak indicator. The hardware also comes equipped with LED indicators for end of tape, automatic switch-off, and a record mute switch.