Harman Kardon HK400XM
Dolby B NR Dolby HXPro Wired Remote Control Full Logic Metal Tape 3 Head

The Harman Kardon HK400XM is a stereo cassette deck with Dolby B and HX-Pro noise reduction, it was introduced by Harman Kardon in 1980 with a manufacturer suggested retail price of USD $680 and discontinued a year later.

The main features of the Harman Kardon HK400XM are: 3 heads and off-tape monitoring, electronic tape counter with 3 digits, manual tape type selection with support for normal, chrome, ferro-chrome and metal tapes.

Typical front loading cassette deck with the cassette compartiment located on the left side of the deck. Tape eject is operated mechanically and the cassette needs to be placed with the side to be played facing forward in the cassette well.

Level meters used on the HK400XM are generic digital peak reading meters. Full-logic transport controls used on the HK400XM let it respond to the slightest finger contact for fast and effortless transport function selection.

To ensure the best response from the wide variety of tapes available adjustment of, sensitivity, to optimum levels can be performed prior to recording.

The Dolby-B system reduces tape hiss on tapes recorded on the HK400XM by as much as 10 dB at the highest frequencies. The Dolby HX PRO system provides precise bias control during recording to reduce distortion and improve linearity in the high-frequency range, the result is recorded sound that is highly faithful to the original. To further maintain recording accuracy, the HK400XM incorporates a switchable multiplex filter. When you record FM stereo broadcasts, the MPX filter of the HK400XM can be swiched on to prevent the standard 19kHz FM pilot signal from interfering with the noise reduction system.

To make live recordings this deck has 2 microphone inputs to connect microphones with a jack connector. For undisturbed listening a jack connector for a pair of stereo headphones is supplied. Connection to other audio components for plaback can be achieved by a RCA cable and recording from a source by a RCA cable. All main transport commands can be issued remotely with a wired remote control.

Compact Cassette
  • Uniplane Transport
  • 2 Motor
  • 3 Heads

Historic events

1980 Dolby C Noise Reduction introduced by Dolby Laboratories.
1981 IBM introduces the IBM PC.

Features of Harman Kardon HK400XM

Manual Level Calibration Bias Fine Tune
2 Mono Microphone Inputs RCA Input/Output Connectors Headphones Wired Remote Control
3-Digıt Digital Counter Digital Peak-Reading Meters
Cassette Exterior
Silver Finish Orientation Left Front Loading
Compact Cassette
Head Configuration
3 Head Desiǥn 4 Track / 2 Channel
HighCom NR
Noise Reduction
Dolby-B Noise Reduction MPX Filter Dolby HX Pro®
Full Logic Transport Control Timer Recording/Playback Record Mute Intro Scan Real-Time Tape Monitoring Memory Play
Individual Input Level Controls Output-Level Control
Rear Controls
Rear Controls
Manual Level Calibration (Rear)
Tape Speed
1⅞ ips - 4.76 cm/s
Manual Tape Type Selection Ferro-Chrome Tape Capabılity Automatic Tape Type Selection Normal Tape Capabılity Chrome Tape Capabılity Metal Tape Capabılity
2x Motor Mechanism Mechanical Tape Loading Belt Drive (Capsŧan)

Shop Harman Kardon HK400XM items currently for sale

Last update on Jun 19, 2024 7:26:35 PM CEST

Similar to Harman Kardon HK400XM from the period 1980 - 1981