Advanced Recording Operations

Adjusting Bias and Recording

Level Calibration

Automatically

Since there are many different types of cassettes on the market, your tape deck automatically sets the appropriate equalization characteristics and bias current for each tape type (ATS: Automatic Tape Selection). However, you can get better recording results by doing the automatic bias current and the recording level calibration.

 

 

 

 

 

AUTO CAL

 

 

 

 

 

 

 

 

 

 

 

 

REC LEVEL

 

 

 

 

 

 

 

 

 

4

5

 

 

 

 

RESET

 

 

 

 

6

 

 

 

 

 

 

 

 

 

3

7

 

 

 

 

MEMORY

 

 

 

 

 

 

 

 

 

 

 

AUTO CAL

DOLBY NR

BALANCE

2

8

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

B

B

 

 

 

 

 

 

 

 

 

C

 

C

 

 

 

 

0 AMS )

 

 

 

 

 

1

9

 

 

 

 

 

 

MPX

 

L R

0

10

 

0

 

á

)

 

FILTER

 

 

 

 

EJECT

 

 

PHONES

 

 

POWER

p

P

R

r

¤

 

 

 

 

 

 

 

 

 

 

 

 

 

PAUSE

REC MUTE

REC

 

 

 

 

 

 

PPAUSE

1Insert the cassette you want to record on.

Make sure the record-protect tabs on the cassette have not been removed.

2Press AUTO CAL until “CAL” appears in the display.

Note

If the record-protect tab for that size has been removed (see page 11), “AUTO CAL” in the display flashes three times and automatic calibration cannot be performed.

3Press P PAUSE to start the automatic calibration procedure.

The automatic calibration procedure starts (i.e., recording test tones, rewinding, and playing back).

During the calibration, the counter changes from 9 to 0.

AUTO

￿￿ ￿CAL9￿ ￿

CAL REC

When the automatic calibration procedure ends, the tape rewinds to the original position, the counter returns to normal and the tape deck stops.

4Start the actual recording (see page 6).

To cancel the automatic calibration function

Press p.

If “AUTO CAL” flashes continuously

The automatic calibration procedure has been interrupted by:

—The end of the tape. Turn the cassette over or rewind the tape to a new position that allows recording of the test tone.

—Damaged tape or dirty heads. Change the cassette or clean and demagnetize the heads (see page 11).

Updating the calibration setting

As long as the tape deck stays on, calibration data are saved and called up each time you insert a cassette of the same type (I, II or IV). “AUTO CAL” appears in the display when you insert a cassette to indicate that calibration data for that tape type exists. However, we recommend that you repeat the automatic calibraion procedure each time you insert a new cassette since cassettes of the same type also vary in their characteristics. Before recalibrating, be sure to clear the existing calibration data by pressing AUTO CAL until “AUTO CAL” disappears from the display. Then start from Step 2 of the automatic calibration procedure.

9EN

3-856-134-51(1)

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Page 9
Image 9
Sony TC-KE300 operating instructions Updating the calibration setting, To cancel the automatic calibration function
Page 8 Page 10

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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