JX Servo BLS-HV7125MG

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Technical Specifications

Last Updated: 2026-10-26

Identity
Brand
Product Number	6946
Category	Hobby
Performance
Torque	7.4V 358.36 oz-in 6.0V 300.02 oz-in Above Average
Speed	7.4V 0.12 sec/60° 6.0V 0.15 sec/60° Average
Physical
Weight	2.50 ozBelow Average
Dimensions	L 1.59 in W 0.81 in H 1.42 in
Case Material	Aluminum
Drivetrain
Motor Type	Brushless
Gears	Steel
Gear Spline/Teeth	25 T
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Pulse Cycle	3.03 ms
Dead Band	1 µs
Refresh Rate	330 Hz
Programmable	Yes
Electrical & Environment
Operating Voltage	6–8.4 V
Power Source	2S LiPo
Water Rating	Waterproof
Connectivity
Connector	JR (Universal)
Wire Length	265 mm
Origin
Country of Origin	China

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*Based on known specs.

Class Comparison

Torque	Above Average Stronger than 67% of 1055 Digital Standard servos at 6.0V
Speed	Average Faster than 40% of 1038 Digital Standard servos at 6.0V
Weight	Below Average Lighter than 31% of 1872 Digital Standard servos

Performance Analysis

Shaft Power	3.70–5.52 W
Power Density	3.019 W/in³ More power-dense than 60% of 1762 Digital Standard servos
Torque Density	4.2256 oz-in/g Stronger than 65% of 1048 Digital Standard servos
Torque-to-Volume Ratio	164.05 oz-in/in³ Denser torque than 71% of 1053 Digital Standard servos
Speed-to-Weight	0.09390 (1/sec·g) Faster than 30% of 1031 Digital Standard servos
Speed-Torque Trade-off	45.00 Better balanced than 70% of 1029 Digital Standard servos
Voltage Range Width	2.4 V Wider voltage range than 51% of 1552 Digital Standard servos