Additional Information

Glossary

ATS

Automatic Tape Selection. The tape deck automatically sets the appropriate equalization characteristics and bias current according to the tape type inserted in the deck.

Automatic calibration

The automatic adjustment of the bias current and recording level for the inserted tape.

This adjustment works together with the deck’s ATS (Automatic Tape Selection, see above) to get the best possible recording results on any tape.

Dolby HX PRO system

Distortion and noise reduction system. The Dolby HX PRO system reduces distortion and noise in high-frequency response while recording. A tape recorded with this system brings the same high-quality sound even when you play the tape on the other tape decks.

Dolby NR (noise reduction) system

Noise reduction system for eliminating hissing noise. The Dolby NR system boosts the low-level signals in high frequency during recording and restores them during playback.

B and C Dolby systems are available on this tape deck. Of the two, C provides higher noise reduction than B.

Dolby

 

Noise reduction

dB NR off

 

Output

 

B

 

 

level

C

 

100

500 1k

5k 10k Hz

MPX filter

Multiplex filter. A filter for eliminating the 19-kHz stereo carrier and the 38-kHz sub-carrier signals that may impair the Dolby NR system. Usually the tuner has an MPX filter. If you cannot get a satisfying result when recording FM broadcasts with Dolby NR system, your tuner does not have a filter or the filter is not working. In this case, turn the DOLBY NR switch countercolckwise to the position you want — B or C with MPX FILTER.

Multi-AMS

Multi-Automatic Music Sensor is a function that locates the beginning of up to 30 tracks before or after the current track by detecting a blank space (of over 4 seconds) between tracks.

Tape counter

Afour-digit readout for monitoring elapsed playing or recording time. Useful for editing tapes. Press RESET to zero the counter (00 00).

Test tones

15-kHz, 3-kHz and 400-Hz signals produced by the tape deck when you do the automatic calibration.

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Sony TC-KE300 operating instructions Glossary
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TC-KE300 specifications

The Sony TC-KE300 is a prominent example of a high-quality cassette deck that emerged in the late 1980s, specifically designed to cater to audiophiles and home recording enthusiasts. This model is part of Sony's extensive line of tape recorders that exemplifies the brand's commitment to audio excellence and innovative technology.

One of the standout features of the TC-KE300 is its dual cassette mechanism, which allows for both playback and recording from one tape to another. This feature was particularly appealing during a time when cassette tapes were a popular medium for music and voice recording. The device supports both normal and chromium dioxide tapes, maximizing playback fidelity and recording quality.

The TC-KE300 is equipped with Dolby B noise reduction technology, which significantly reduces background hiss during playback. This feature enhances listening comfort, especially for recordings made on higher-quality tapes. Additionally, the deck offers a range of playback speeds, ensuring compatibility with various tape formats and providing users with versatility for different audio settings.

Another notable characteristic of the TC-KE300 is its direct-drive motor system, which facilitates stable and accurate tape movement. This system minimizes wow and flutter—unwanted variations in pitch and speed—allowing for a cleaner sound reproduction. The precision engineering behind the motor ensures that recordings maintain their intended quality, appealing to discerning users.

The user interface of the TC-KE300 is straightforward yet functional. It includes illuminated buttons and a bright, easy-to-read cassette compartment that indicates loading and working status. The device also offers features like automatic pause and record levels, simplifying the recording process for users who may not be technically inclined.

In terms of build quality, the TC-KE300 demonstrates Sony's reputation for durability and reliability. The casing is robust, designed to withstand the wear and tear associated with regular use while maintaining an elegant aesthetic that fits well with any home audio system.

In summary, the Sony TC-KE300 stands as a reliable and well-engineered cassette deck representative of its time. Its combination of features, such as dual cassette capability, Dolby noise reduction, and direct-drive motor system, make it an attractive option for vinyl and tape enthusiasts alike. Although cassette technology has waned in popularity, devices like the TC-KE300 remain cherished by collectors and audio purists who appreciate its quality and craftsmanship.
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