Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-10-22
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | REEFS12 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
435.00 oz-in
31.32 kg-cm
3.1 N-m
7.4V
405.00 oz-in
29.16 kg-cm
2.9 N-m
6.0V
350.00 oz-in
25.20 kg-cm
2.5 N-m
|
| Speed |
8.4V
0.07 sec/60°
857.1 deg/s
142.9 RPM
7.4V
0.07 sec/60°
810.8 deg/s
135.1 RPM
6.0V
0.09 sec/60°
681.8 deg/s
113.6 RPM
|
| Physical | |
| Weight | 2.85 oz80.8 gBottom 10% |
| Dimensions |
L 1.57 in W 0.78 in H 1.50 in L 39.9 mm W 19.8 mm H 38.1 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T estimate |
| Rotation/Support | Triple Bearings |
| Control & Signal | |
| Modulation | Digital |
| Dead Band | 2 µs |
| Angle Sensor | Magnetic Encoder |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Water Rating | Water Resistant |
| Connectivity | |
| Connector | JR (Universal) estimate |
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
| Weight | Bottom 10% Lighter than 9% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 7.35–11.49 W |
| Power Density | 6.255 W/in³ More power-dense than 86% of 1768 Digital Standard servos |
| Torque Density | 4.3317 oz-in/g |
| Torque-to-Volume Ratio | 190.54 oz-in/in³ |
| Speed-to-Weight | 0.14064 (1/sec·g) |
| Speed-Torque Trade-off | 30.80 |
| Voltage Range Width | 3.6 V Wider voltage range than 77% of 1560 Digital Standard servos |
Similar Active Servos
Reviews (1)
Includes 1 review aggregated from around the web.
There are very few reviews for this servo on the web. One owner says the 400:SC is sturdier and quicker than other Reefs models for 1/10 trucks. Commenters in the same thread say Reefs servos are good but pricey for their specs compared with cheaper brands.
Be the first to review!