SONY System150
¥ 49,800 (around 1971)
Commentary
A stereo system developed with the concept of "Music plus You".
System 150 is equipped with an FM mixing device that enables you to listen to both records and the sound of an FM radio microphone simultaneously.
By adding a microphone, you can enjoy participating in a song or performance.
Amplifier section
The amplifier section consists of all-silicon transistors.
Equipped with auto-stereo circuit.
The exterior has a blackface and walnut wood finish.
Player part
Equipped with auto-cut and Oatley turn functions.
The turntable part is an idler drive type, and a 25 cm turntable is used.
The cartridge uses a crystal type.
Speaker part
2-way configuration is adopted.
A 16 cm cone woofer is installed in the low range and a 5 cm cone tweeter is installed in the high range.
The Sony emblem on the speaker can be arranged vertically or horizontally.
Other
The amplifier, player, and speaker are separated into component styles so that they can be installed freely.
Model Rating
| Type | System stereo |
| Amplifier Section (STR-141?) | |
| Output | 20W |
| Practical sensitivity | 2 μ V (S/N30dB) |
| Separability | 36 dB or More (400 Hz) |
| Accessory function | Tone control Loudness Balance control FM radio microphone mixing AFC switch Stereo headphone jack Tape recorder / reterminal Recording and re-connector terminal |
| External dimensions | Width 420x Height 116x Depth 312 mm |
| Weight | 4.7kg |
| <Player Part (Model number unknown)> | |
| Drive system | Idler drive |
| Turntable | 25cm |
| Cartridge | Crystal type |
| Accessory function | Autocut Auto return |
| External dimensions | Width 420x Height 154x Depth 359 mm |
| Weight | 4.9kg |
| Speaker Unit | |
| Method | 2-way / 2-speaker / bookshelf type |
| Units Used | For low band : 16 cm cone type For high-pass : 5 cm cone type |
| External dimensions | Width 270x Height 400x Depth 177 mm |
| Weight | 2.8kg |