Pioneer S-51X
¥ 103,000 (around 1964)
Commentary
Separate stereo equipped with FM multi-circuit.
Receiver / player part
Equipped with FM multi-circuit, it can receive FM stereo broadcast transmission.
Switching system is adopted for the circuit system.
The player part is designed with 3 speeds.
The drive motor is equipped with a 4-pole synchronous motor.
The cabinet has a walnut oil finish.
Speaker part
A 2-way speaker is used for the speaker section.
A 20 cm cone woofer is installed in the low range and a horn tweeter is installed in the high range.
Model Rating
| Type | Stereo system | |
| <Player Part> | ||
| Drive motor | 3-speed 4-pole synchronous motor | |
| Turntable | 25 cm Iron Plate Pressed | |
| Cartridge | MM Type | |
| Needle tip | 0.7 mil diamond needle | |
| Needle pressure | 3.5g | |
| Tone arm | Static balanced type pipe arm | |
| Frequency characteristic | 20 Hz to 20 kHz | |
| Receiver Section | ||
| Receiving frequency | FM | 80 MHz to 108 MHz |
| AM(MW) | 535 kHz ~ 1,605kHzx2 | |
| SW | 3.8 mhz to 12 mhz | |
| Maximum power output | 7W+7W | |
| Distortionless output | 4W+4W | |
| Accessory circuit | FM-AFC Switching Method FM-MPX Loudness control |
|
| Vacuum tube used | 17-ball 9-stone configuration | |
| Maximum Power Consumption | 120VA | |
| Speaker Unit | ||
| Method | 2-way, 2-speaker floor type | |
| Units Used | For low band : 20 cm cone type For High Frequency : Horn Type |
|
| Frequency characteristic | 50 Hz to 16 kHz | |
| <General> | ||
| External dimensions | Width 1,440x Height 780x Depth 390 mm | |
| Weight | - | |