Hitachi - TRK-9050 Portable cassette player





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Holds dual bachelor's degrees in electronics and physics with 20 years in audio engineering.
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Description from the seller
The PERDISCO TRK-9050 is a classic boombox (portable stereo cassette recorder/player) manufactured by Hitachi.
PERDISCO TRK-9050 Boombox
The Hitachi PERDISCO TRK-9050 is a vintage portable stereo system that was released in the late 1970s, known for its powerful sound and robust design typical of the era's 'ghettoblasters'.
Type: Boombox (Portable Radio Cassette Player/Recorder)
Manufacturer: Hitachi
Year Manufactured: Circa 1978
Playable Media Format: Cassette Tape
Radio Bands: AM/MW and FM (including FM Stereo reception)
Color: Typically Black
Power and Audio Specifications
The unit was emphasized for its sound quality and volume:
Specification Value Note
Maximum Practical Output 15W This is a substantial power output for a portable unit of its time.
Stereo Output 7.5W + 7.5W (EIAJ / DC rating) - Provides clear, distortion-free stereo sound.
Cassette Deck Features
The cassette mechanism, when maintained, provides reliable playback and recording functions:
Functions: Playback, Fast Forward, Rewind
Operation: Described as powerful and normal when working correctly.
Maintenance: Units often require servicing (replacement of belts and roller rubber) due to age.
Other Notes: No volume gully (meaning the volume control potentiometer operates smoothly without static/crackling), indicating quality components or maintenance.
Connectivity and Power
Power Source: Likely runs on AC power (mains power cable) and DC power (batteries) for portability, typical of boomboxes. The power cable is usually included with the main unit.
Inputs/Outputs: The specific type and number of Audio Inputs/Outputs are not explicitly listed in the common specifications but standard features on similar models often included:
Headphone Jack
External Microphone Jacks
Line In/Out
In summary, the PERDISCO TRK-9050 is a highly regarded vintage Hitachi boombox from 1978, valued by collectors for its 15W of powerful stereo sound and its combination of AM/FM radio and cassette tape functionality.
The PERDISCO TRK-9050 is a classic boombox (portable stereo cassette recorder/player) manufactured by Hitachi.
PERDISCO TRK-9050 Boombox
The Hitachi PERDISCO TRK-9050 is a vintage portable stereo system that was released in the late 1970s, known for its powerful sound and robust design typical of the era's 'ghettoblasters'.
Type: Boombox (Portable Radio Cassette Player/Recorder)
Manufacturer: Hitachi
Year Manufactured: Circa 1978
Playable Media Format: Cassette Tape
Radio Bands: AM/MW and FM (including FM Stereo reception)
Color: Typically Black
Power and Audio Specifications
The unit was emphasized for its sound quality and volume:
Specification Value Note
Maximum Practical Output 15W This is a substantial power output for a portable unit of its time.
Stereo Output 7.5W + 7.5W (EIAJ / DC rating) - Provides clear, distortion-free stereo sound.
Cassette Deck Features
The cassette mechanism, when maintained, provides reliable playback and recording functions:
Functions: Playback, Fast Forward, Rewind
Operation: Described as powerful and normal when working correctly.
Maintenance: Units often require servicing (replacement of belts and roller rubber) due to age.
Other Notes: No volume gully (meaning the volume control potentiometer operates smoothly without static/crackling), indicating quality components or maintenance.
Connectivity and Power
Power Source: Likely runs on AC power (mains power cable) and DC power (batteries) for portability, typical of boomboxes. The power cable is usually included with the main unit.
Inputs/Outputs: The specific type and number of Audio Inputs/Outputs are not explicitly listed in the common specifications but standard features on similar models often included:
Headphone Jack
External Microphone Jacks
Line In/Out
In summary, the PERDISCO TRK-9050 is a highly regarded vintage Hitachi boombox from 1978, valued by collectors for its 15W of powerful stereo sound and its combination of AM/FM radio and cassette tape functionality.
