National/Technics SC-240
¥ 59,800 (around 1969)
Commentary
Modular stereo with full functionality.
Receiver / player part
The amplifier circuit is an all-solid-state design.
SEPP-OTL is used for the circuit system.
A 4-pole MOS FET is used for the FM tuner section. The circuit design is an IF4-stage or 2-stage direct-coupled limiter circuit.
Equipped with stereo eye.
The player part is equipped with an auto function to improve operability.
The cartridge is an MS type cartridge that uses PCM piezoelectric elements.
Speaker part
2-way configuration.
It has a 16 cm cone woofer in the low range and a 6.5 cm cone tweeter in the high range.
Equipped with wall hanging fittings.
Model Rating
| Type | Modular stereo | |
| Receiver / Player Unit | ||
| Receiving frequency | FM | 76 MHz to 90 MHz |
| AM | 525 kHz to 1,605 kHz | |
| Receiving sensitivity | FM | 3 μ V (IHF) |
| AM | 10 μ V (IHF) | |
| Output | 32W(PMPO) | |
| Tone control | Bass-Treble | |
| Accessory function | Headphone port Din connector Pin terminal FM external antenna terminal |
|
| Cartridge | MS Type | |
| Number of revolutions | 33 1/3, 45 rpm | |
| Turntable | 25cm | |
| Speaker Unit | ||
| Method | 2-Way, 2-Speaker, Airtight Type, Bookshelf Type | |
| Units Used | Low band | 16 cm cone type |
| High pass | 6.5 cm cone type | |
| <General> | ||
| Frequency characteristic | 35 Hz to 20 kHz | |
| Semiconductor used | Transistor : 22 Diode : 15 pcs |
|
| Pwer | 100 VAC, 50Hz/60Hz | |
| Power consumption | 35W (maximum output) | |
| External dimensions | Body | Width 456x Height 188x Depth 379 mm |
| Spekers | Width 250x Height 390x Depth 210 mm | |
| Weight | 15.8kg | |