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Technical Specifications
Last Updated: 2026-10-08
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SPMSA6320 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
270.10 oz-in
19.45 kg-cm
1.9 N-m
7.4V
250.20 oz-in
18.02 kg-cm
1.8 N-m
6.0V
150.00 oz-in
10.80 kg-cm
1.1 N-m
Below Average
|
| Speed |
8.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
8.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
7.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
7.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
6.0V
0.11 sec/60°
545.5 deg/s
90.9 RPM
Above Average
6.0V
0.11 sec/60°
545.5 deg/s
90.9 RPM
Above Average
|
| Physical | |
| Weight | 2.19 oz62.0 gAverage |
| Dimensions |
L 1.49 in W 0.79 in H 1.57 in L 37.8 mm W 20.1 mm H 39.9 mm |
| Case Material | Aluminum / Plastic |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Metal |
| Gear Spline/Teeth | 23 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Dead Band | 3 µs |
| Control System | PWM |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Connectivity | |
| Connector | JR (Universal) |
Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.
Class Comparison
| Torque | Below Average Stronger than 33% of 1043 Digital Standard servos at 6.0V |
| Speed | Above Average Faster than 70% of 1041 Digital Standard servos at 6.0V |
| Weight | Average Lighter than 53% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.52–4.99 W |
| Power Density | 2.702 W/in³ More power-dense than 55% of 1759 Digital Standard servos |
| Torque Density | 2.4194 oz-in/g Stronger than 30% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 81.17 oz-in/in³ Denser torque than 31% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.14663 (1/sec·g) Faster than 69% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 16.50 Better balanced than 28% of 1031 Digital Standard servos |
| Torque Gain per Volt | 33.36%/V More voltage-responsive (torque) than 96% of 850 Digital Standard servos |
| Speed Gain per Volt | 4.16%/V More voltage-responsive (speed) than 2% of 871 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 56% of 1539 Digital Standard servos |
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