Sony - TC-K490 Audio-cassette deck

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Matthew McIvor
Expert
Estimate  € 150 - € 200
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Description from the seller

The cassette deck was technically refurbished in January 2026, during which it was cleaned and equipped with new drive belts. Afterwards its functions were checked and no malfunction was detected. The optical condition is good; signs of wear are present. The technical data are as follows:

Manufacturer: Sony
Model: TC-K 490
Type: Cassette Tape Deck
Year of manufacture: 1992 - 1994
Made in: Japan
Color: Black
Remote control: yes (not included in the package)
Power consumption: 17 W
Dimensions: 430 x 123 x 300 mm (W x H x D)
Weight: approximately 4.5 kg

Connections
Number of inputs: 1, Line in (RCA)
Number of outputs: 2, Line out (RCA) and headphones (stereo mini-jack)

Technical Data
Sound heads: 3
Motors: 2
Synchronization fluctuations:
+-0.09% W.PEAK (IEC)
0.06% WRMS (NAB)
±0.16% W.PEAK (DIN)
Tape types: Normal (Type I), CrO2 (Type II), Pure Iron (Type IV)
Frequency response: Type IV cassette (Sony METAL-S): 30 - 18,000 Hz (+-3 dB, IEC)
Type II-Cassette (Sony UX-S): 30–17,000 Hz (±3 dB, IEC)
Type I-Cassette (Sony HF-S): 30–15,000 Hz (+/-3 dB, IEC)
THD: 1.0% (with Sony METAL-S cassette)
Signal-to-noise ratio: Type IV (Sony METAL-S): 59 dB (Dolby off), 67 dB (Dolby B), 74 dB (Dolby C)
Type II (Sony UX-S): 58 dB (Dolby off), 66 dB (Dolby B), 73 dB (Dolby C)
Type I (Sony HF-S): 56 dB (Dolby off), 64 dB (Dolby B), 71 dB (Dolby C)
Auto-Reverse: no
Title search run: yes (AMS)
Dolby: B and C HX-Pro
MPX-Filter: Japanese
Fader:
Pitch control
CD sync recording: no


Special Equipment
Pre-magnetization regulator (BIAS)
Rec-Mute function (insertion of blanks)
Memory function for a specific band position.
Automatic band type indicator
Balance regulators

The cassette deck was technically refurbished in January 2026, during which it was cleaned and equipped with new drive belts. Afterwards its functions were checked and no malfunction was detected. The optical condition is good; signs of wear are present. The technical data are as follows:

Manufacturer: Sony
Model: TC-K 490
Type: Cassette Tape Deck
Year of manufacture: 1992 - 1994
Made in: Japan
Color: Black
Remote control: yes (not included in the package)
Power consumption: 17 W
Dimensions: 430 x 123 x 300 mm (W x H x D)
Weight: approximately 4.5 kg

Connections
Number of inputs: 1, Line in (RCA)
Number of outputs: 2, Line out (RCA) and headphones (stereo mini-jack)

Technical Data
Sound heads: 3
Motors: 2
Synchronization fluctuations:
+-0.09% W.PEAK (IEC)
0.06% WRMS (NAB)
±0.16% W.PEAK (DIN)
Tape types: Normal (Type I), CrO2 (Type II), Pure Iron (Type IV)
Frequency response: Type IV cassette (Sony METAL-S): 30 - 18,000 Hz (+-3 dB, IEC)
Type II-Cassette (Sony UX-S): 30–17,000 Hz (±3 dB, IEC)
Type I-Cassette (Sony HF-S): 30–15,000 Hz (+/-3 dB, IEC)
THD: 1.0% (with Sony METAL-S cassette)
Signal-to-noise ratio: Type IV (Sony METAL-S): 59 dB (Dolby off), 67 dB (Dolby B), 74 dB (Dolby C)
Type II (Sony UX-S): 58 dB (Dolby off), 66 dB (Dolby B), 73 dB (Dolby C)
Type I (Sony HF-S): 56 dB (Dolby off), 64 dB (Dolby B), 71 dB (Dolby C)
Auto-Reverse: no
Title search run: yes (AMS)
Dolby: B and C HX-Pro
MPX-Filter: Japanese
Fader:
Pitch control
CD sync recording: no


Special Equipment
Pre-magnetization regulator (BIAS)
Rec-Mute function (insertion of blanks)
Memory function for a specific band position.
Automatic band type indicator
Balance regulators

Details

Era
1900-2000
Brand
Sony
Model
TC-K490
Multiple Models
No
Physical condition
Good
Nr of items
1
Includes
Power cord
Serial Number
4502780
Weight
4.5 kg
Functional condition
Tested and working/playable
GermanyVerified
Private

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