Nakamichi 680ZX

Disrete 3-Head Cassette Deck

In very nice condition. Original box and packing are not included. Manual can be found on line.

Note: the front panel is BLACK - the lighting makes it look grey. See (2) stock pix with white background for real color. See last pix for full specs.

A great deck and one of Nakamichi's finest.

This Nakamichi 680ZX is a stereo cassette deck with double Dolby B noise reduction, it was first sold by Nakamichi in 1979 with a list price of USD $1,550 and discontinued a year later. The main features of the Nakamichi 680ZX are: 3 discrete heads and off-tape monitoring, mechanical 3 digit tape counter and memory stop, manual tape type selection and capable of handling normal, chrome and metal tapes, belt driven dual-capstan transport.

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 which is opened by a damped mechanism. Additionally the compartement can be accessed easly for head cleaning by removing the well-cover. Level meters used on the 680ZX are digital FL peak reading meters with peak hold for easy adjustment of optimum recording level. Full-logic transport controls used on the 680ZX let it respond to the slightest finger contact for fast and effortless transport function selection. Besides standard recording/playback speed the 680ZX also offers half speed recording and playback, effectively doubling the amount that can be recorded on a tape, playback speed may be adjusted with pitch control. Cue and review can be used to easily and quickly locate the beginning of a passage at two speeds.

Record azimuth correction. 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 680ZX by as much as 10 dB at the highest frequencies. The three-head configuration of the 680ZX requires a Double Dolby system, one for recording and one for playback. The 19kHz multiplex pilot slgnal present in FM stereo broadcasts can cause false triggering of the noise reduction system. The switchable MPX filter of the 680ZX filters out the pilot signal, and assuring proper Dolby processing of FM stereo programs.

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.

These are the Nakamichi 680ZX main features:

  • Pressure pad lifter

  • Double Capstan

  • Auto Azimuth Alignment

  • Silent Mechanism

  • Asymmetrical Dual Capstans

  • Diffused-Resonance Transport

  • Discrete 3-Head Technology

  • Digital Fluorescent Display

  • RAMM (Random Access Music Memory)

More Detailed Specs:

  • Connectivity

    • Headphones

    • RCA Input/Output Connectors

    • DC Power Output For BlackBox Series

  • Head Configuration

    • Pressure Pad Lifter

    • 3 Head Desiǥn

    • Seperate Record and Playback Heads

    • 4 Track / 2 Channel

  • Noise Reduction

    • Dolby-B Noise Reduction

    • Double Dolby NR Circuits

    • MPX Filter

  • Calibration

    • 400Hz Test Tone

    • Auto Azimuth Calibration

    • Manual Level Calibration

  • Preamplifier

    • Output-Level Control

    • Individual Input Level Controls

    • Master Record Level Control

  • Operation

    • Timer Recording/Playback

    • Memory Stop

    • Pitch Control

    • Real-Time Tape Monitoring

    • Record Mute

    • Full Logic Transport Control

    • Music Scan

    • 2-Speed Cueing

    • Damped Eject

    • Removable Well Cover

  • Speed

    • 15/16 ips - 2.38 cm/s

    • 1⅞ ips - 4.76 cm/s

  • Transport

    • Dual-Capsŧan Transport

    • Slack-Tape Takeup

    • Belt Drive (Capsŧan)

    • Mechanical Tape Loading

    • Auto Shutoff

    • 4x Motor Mechanism

    • Idler Drive (Reel)

    • Belt Drive (Mechanism)

    • Belt Drive (Azimuth Adjustment)

  • Display

    • 3-Digıt Mechanical Counter

    • Peak Hold

    • Digital Peak-Reading Meters

    • Meters Peak / VU Switchable

    • Track Indicator

  • Exterior

    • 19-Inch EIA Rack Mounting

    • Front Loading

    • Orientation Left

    • Black Finish

  • Tape

    • 2-Position Equalization Selector

    • Chrome Tape Capabılity

    • Normal Tape Capabılity

    • Metal Tape Capabılity

    • Manual Tape Type Selection

  • Indicators

    • Illuminated Cassette Compartment

  • Electronics

    • Double NF Record And Play Amplifiers

  • General

    • Stereo

  • Power Requirements

    • Alternating Current

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