* The tape deck is sold separately.
National/Technics SC-720M
¥ 89,900 (around 1969)
Commentary
A low-boy type separate stereo designed with an emphasis on the FM tuner section.
Receiver section
The amplifier is an all-solid-state design using silicon transistors.
The SEPP-OTL circuit system is used.
A complete print base has been realized.
A 4-pole MOS FET is used in the FM tuner section.
The circuit structure is composed of IF4-stage and 2-stage direct-coupled limiter circuits, ensuring excellent sensitivity even in areas with FM hearing loss.
Equipped with a tuning meter and stereo eye.
Player part
A rim drive system using a 4-pole motor is adopted as the drive system.
The cartridge is a semiconductor cartridge.
The characteristics are improved by driving with a unique vertical drive system.
Equipped with auto functions such as auto return.
Speaker part
3-way system is adopted.
A 20 cm cone type woofer is installed in the low range.
The mid-range is equipped with a 9 cm cone scoker and the high-range is equipped with a 6.5 cm cone tweeter.
Other
The speaker is equipped with screws for height adjustment.
In SC-720M, there was an interior box as an option sold separately. This interior box was also sold as SC-720M Deluxe as a set.
The interior box can be used as a record shelf or tape deck storage rack.
Model Rating
Type | Stereo system | |
Amplifier Unit | ||
Output | 44W(P.M.P.O) | |
Channel level control | Bass-Treble | |
Accessory function | Headphone jack Loudness switch Din connector Read / write pin terminal |
|
Tuner Section | ||
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) | |
FM multi-circuit | Switching system | |
Accessory function | FM external antenna terminal Tuning meter Stereo eye |
|
<Player Part> | ||
Drive system | Rim drive system | |
Drive motor | 4-pole motor | |
Number of revolutions | 33 1/3, 45 rpm | |
Turntable | 30cm | |
Cartridge | Semi-conductor | |
Needle pressure | 3g | |
Exchange needle | EPS-11STSD (Diamond) | |
Tone arm | Channel arm (lateral balancer) | |
Accessory function | Auto return Autocut Autosleep |
|
Speaker Unit | ||
Method | 3-Way, 3-Speaker, Airtight System, Floor Type | |
Units Used | Low band | 20 cm corn mold |
For Middle Range | 9 cm cone type | |
High pass | 6.5 cm cone type | |
<General> | ||
Frequency characteristic | 30 Hz to 20 kHz | |
Semiconductor used | Transistor : 25 Diode : 19 units |
|
Pwer | 100 VAC, 50Hz/60Hz | |
Power consumption | 35W (maximum output) | |
External dimensions | Width 1,540x Height 604x Depth 365 mm | |
Weight | - | |
Sold Separately : Interior Box SH-720B (¥ 9,500) | ||
External dimensions | Width 480x Height 604x365mm |
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SC-720M Deluxe and Interior Box Sold Separately