Aiwa XK-S9000
Dolby B NR Dolby C logo Dolby HXPro Dolby S Full Logic Metal Tape 3 Head

This Aiwa XK-S9000 is a stereo cassette deck with double Dolby B/C/S and HX-Pro noise reduction, it was first sold by Aiwa in 1991 with a manufacturer suggested retail price of USD $1,150 and discontinued a year later.

The main features of the Aiwa XK-S9000 are: 3 heads and no off-tape monitoring to save production cost, digital linear tape counter with 4 digits, automatic 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 loading/unloading is operated motorized and the cassette needs to be placed with the side to be played facing forward in the cassette well.

Level meters used on the XK-S9000 are generic digital peak reading meters with peak hold for easy adjustment of optimum recording level. Full-logic transport controls used on the XK-S9000 let it respond to the slightest finger contact for fast and effortless transport function selection. Cue and review can be used to easily and quickly locate the beginning of a passage.

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

Dolby S-type noise reduction gives cleaner transient response, provides lower noise levels, both at low and high frequencies, and allows higher signal levels to be recorded safely on the XK-S9000. Dolby S-type noise reduction provides 24 dB of high frequency noise reduction plus an additional 10 dB of low frequency noise reduction. 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. The three-head configuration of the XK-S9000 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 XK-S9000 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.

Compact Cassette
  • Resonance Damping Wood Base
  • Super Stabilized Tension Dual Capstan
  • Twin Transformer
  • Blank Tape Optimized Recording System
  • Head Stabilizer
  • SAMTS (Super Anti Modulation Tape Stabilizer)
  • 18bit Linear Dual D/A Converter
  • 8 Times Oversampling
  • 4 Motor
  • Manual Recording Calibration System

Historic events

1991 Invention of the MP3 digital audio format
1992 Philips launched the DCC (Digital Compact Cassette) format

Features of Aiwa XK-S9000

Manual Bias Calibration Manual Level Calibration
Coaxial Digital Input Optical TOS Digital Input CD Direct Input RCA Input/Output Connectors Headphones
Digital Domain
Digital Domain
Oversampling Digital Filter
Peak Hold Linear Tape Counter Digital Peak-Reading Meters 4-Digıt Digital Counter
Record Protection High Frequency Bias Oscillator
Cassette Exterior
Orientation Left Champagne Finish Wood Side Panels Front Loading
Compact Cassette
Stereo DA Converter
Head Configuration
3 Head Desiǥn 4 Track / 2 Channel
HighCom NR
Noise Reduction
Dolby-B Noise Reduction Double Dolby NR Circuits Dolby-C Noise Reduction Dolby HX Pro® MPX Filter Dolby-S Noise Reduction
Full Logic Transport Control Cue / Review Memory Repeat Auto-Play
Power Requirements
Alternating Current
Individual Input Level Controls Headphone Volume Control
Shock Absorbtion
Cassette Stabilizer Anti Vibration Chassis
Limited Finish
Special Finish
Gold-Plated Headphone Jack
Tape Speed
1⅞ ips - 4.76 cm/s
Automatic Tape Type Selection Normal Tape Capabılity Chrome Tape Capabılity Metal Tape Capabılity 3-Position Equalization Selector
Motorized Tape Loading Belt Drive (Capsŧan) 4x Motor Mechanism Auto Shutoff Dual-Capstan Transport

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Last update on Jul 20, 2024 7:27:29 PM CEST

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