JX Servo BLS6520HV

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Technical Specifications

Last Updated: 2026-10-25

Identity
Brand
Product Number	AJX084
Category	Hobby
Performance
Torque	7.4V 270.80 oz-in 6.0V 212.20 oz-in Average
Speed	7.4V 0.07 sec/60° 6.0V 0.08 sec/60° Above Average
Physical
Weight	2.29 ozAverage
Dimensions	L 1.594 in W 0.795 in H 1.575 in
Case Material	Aluminum
Drivetrain
Motor Type	Brushless
Gears	Metal
Gear Spline/Teeth	25 T
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Pulse Cycle	5 ms
Neutral Position	1520 µs
Dead Band	1 µs
Refresh Rate	200 Hz
Control System	PWM
Electrical & Environment
Operating Voltage	6–8.4 V
Connectivity
Connector	JR (Universal)
Wire Length	265 mm

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Average Stronger than 49% of 1060 Digital Standard servos at 6.0V
Speed	Above Average Faster than 88% of 1045 Digital Standard servos at 6.0V
Weight	Average Lighter than 44% of 1880 Digital Standard servos

Performance Analysis

Shaft Power	4.90–7.70 W
Power Density	3.860 W/in³ More power-dense than 70% of 1768 Digital Standard servos
Torque Density	3.2646 oz-in/g Stronger than 47% of 1053 Digital Standard servos
Torque-to-Volume Ratio	106.32 oz-in/in³ Denser torque than 46% of 1058 Digital Standard servos
Speed-to-Weight	0.19231 (1/sec·g) Faster than 86% of 1038 Digital Standard servos
Speed-Torque Trade-off	16.98 Better balanced than 29% of 1034 Digital Standard servos
Voltage Range Width	2.4 V Wider voltage range than 51% of 1560 Digital Standard servos