Key Features
- High Voltage (HV) capable (6.0-8.4v input range)
- Outstanding torque and speed in a standard servo size (530 oz-in and .10 sec/60° @8.4v)
- Durable and long lasting brushless motor
- Low wear and tightly meshed all metal gear train
- Dual bearing supported drive train helps maximize smooth operation
- Aluminum servo case helps keep operating temperatures low
- Soft start helps prevent component and airframe damage during un-intentional initializations
- Over Current and Temperature protection
- Helpful initialization start tone lets pilot know when the servo is ready
- Integrated servo failsafe holds last known position if signal is lost and power is maintained
- Frequency : 200hz to 333hz
Overview
The A6300 is the first in an evolving line of Spektrum brushless servos that provide leading edge performance with uncompromised reliability. Boasting an extremely powerful 530 oz-in torque and a lightning fast .10 sec/60° transit time @8.4v, the A6300 will make RC enthusiasts take a second look at Spektrum Servos.
The A6300 features a top of the line brushless drive train that is recognized as being exceptionally strong and reliable. This durability is expertly matched with a low wear, all metal gear train that is virtually slop free. All housed in a heatsinking, all-aluminum case with preinstalled eyelets and grommets, which makes mounting these servos quick and easy.
The Spektrum A6300 uses these features as a foundation to produce a powerful, consistent, yet efficient servo that will prove to be in a class of its own. It is these awesome capabilities that make the A6300 a fantastic choice for giant-scale models, 3D aerobatics, jets or any application where massive amounts of torques and holding power are a must.
- Model: Spektrum A6300 Standard Digital HV Ultra Torque Brushless Metal Gear Aircraft Servo
- Model Number: P-SPMSA6300
- Motor Type: Brushless
- Gear Type: All Metal
- Gear System: Low-wear, tightly meshed metal gear train with minimal backlash
- Bearing System: Dual Ball Bearing support on drivetrain
- Servo Size: Standard
- Servo Case: Heatsinking Aluminium construction
- Weight: 79.8 grams
- Dimensions (Length): 40.0 mm
- Dimensions (Height): 37.8 mm
- Dimensions (Width): 20.0 mm
- Operating Voltage Range: 6.0 to 8.4V (High Voltage capable)
- Torque @ 6.0V: 27.26 kg/cm
- Torque @ 7.4V: 33.65 kg/cm
- Torque @ 8.4V: 38.20 kg/cm
- Torque @ 8.4V (oz-in equivalent): 530 oz-in
- Speed @ 6.0V: 0.14 seconds/60°
- Speed @ 7.4V: 0.11 seconds/60°
- Speed @ 8.4V: 0.10 seconds/60°
- Frequency Range: 200Hz to 333Hz
- Features: Soft start function
- Features: Over Current protection
- Features: Temperature protection
- Features: Integrated servo failsafe (holds last known position if signal lost)
- Features: Initialisation start tone indicator
- Features: Pre-installed eyelets and grommets for mounting
- Connector Type: Standard servo leads
- Suitable for: Giant-scale aircraft, 3D aerobatics, high-performance jets, applications requiring massive torque and holding power
- Installation: Quick and easy mounting with pre-installed hardware
- Performance Class: Leading-edge brushless technology with uncompromised reliability
Overview
The Spektrum A6300 Ultra Torque High Speed Metal Brushless HV Servo represents a breakthrough in RC servo technology, delivering exceptional performance for demanding RC applications. Whether you're piloting a giant-scale aircraft, performing aggressive 3D aerobatics, operating a high-performance jet, or tackling any RC project that demands massive torque and reliable holding power, the A6300 stands in a class of its own. This brushless servo combines cutting-edge engineering with robust construction to provide UK RC enthusiasts with a servo solution that won't compromise on power, speed, or durability.
The A6300 is the first in Spektrum's evolving line of brushless servos, engineered to provide leading-edge performance with uncompromised reliability. With an astonishing 530 oz-in of torque and lightning-fast 0.10 second transit time at 8.4 volts, the A6300 will make any RC modeller take a serious second look at what modern servo technology can achieve. This is a servo built for professionals, serious enthusiasts, and anyone who refuses to accept compromises in their RC equipment.
Built with a top-tier brushless drivetrain recognised for exceptional strength and reliability, the A6300 combines durability with precision engineering. The low-wear, all-metal gear train is virtually slop-free, whilst the heatsinking aluminium case with pre-installed eyelets and grommets makes mounting quick and straightforward. These features combine to produce a powerful, consistent, and efficient servo that delivers the torque and holding power required by the most demanding RC applications.
Key Features
- Brushless Motor Technology — The A6300 utilises a top-of-the-line brushless drivetrain that is recognised as being exceptionally strong and reliable, providing durability that traditional brushed motors simply cannot match, resulting in longer servo lifespan and consistent performance throughout your flying season.
- Outstanding Torque Output — With 530 oz-in of torque at 8.4 volts, this servo delivers massive holding power and control authority, making it ideal for giant-scale aircraft, 3D aerobatics, jets, and any RC application where powerful control surfaces are essential for safe and responsive flight.
- Extraordinary Speed — The A6300 achieves lightning-fast transit times of just 0.10 seconds per 60 degrees at 8.4 volts, ensuring rapid response to pilot input and crisp control response that serious RC operators demand for precision flying.
- High Voltage Capable — Designed to operate safely across a 6.0 to 8.4 volt input range, the A6300 can be powered by various battery configurations, giving you flexibility in your power system while maximising performance when running at higher voltages.
- All-Metal Gear Train — The low-wear, tightly meshed all-metal gear train is virtually slop-free, providing exceptional durability and precise control without the backlash or wear issues associated with plastic gears found in budget servos.
- Dual Bearing Support — The drivetrain is supported by dual ball bearings on each end, which helps maximise smooth operation, reduce friction, and extend the operational lifespan of this high-performance servo even under extreme loading conditions.
- Aluminium Construction Case — The servo is housed in a heatsinking all-aluminium case that helps keep operating temperatures low during extended use, preventing thermal throttling and maintaining peak performance throughout your flight session.
- Pre-Installed Eyelets and Grommets — These factory-installed mounting points make installation quick and straightforward, reducing setup time and ensuring secure, professional mounting in your aircraft structure.
- Soft Start Protection — The integrated soft start function helps prevent component and airframe damage during unintentional initialisations, protecting both your servo and your valuable RC models from sudden jerky movements.
- Over Current and Temperature Protection — Built-in protection circuitry monitors servo operation and prevents damage from electrical overload or thermal stress, ensuring your servo continues to operate reliably under demanding conditions.
- Integrated Servo Failsafe — If signal is lost while power is maintained, the servo automatically holds the last known position, providing a safety net and helping prevent unpredictable aircraft behaviour during signal dropout situations.
- Initialisation Start Tone — A helpful tone alerts the pilot when the servo is ready and initialised, eliminating guesswork and ensuring you know the servo is properly calibrated before flight.
- Variable Frequency Operation — Operating across a frequency range of 200Hz to 333Hz, the A6300 can be fine-tuned to your specific application, allowing you to balance servo responsiveness with power consumption according to your needs.
Technical Performance
The A6300 is engineered to deliver extraordinary performance across a range of voltage levels. At 6.0 volts, the servo produces 27.26 kg/cm of torque and operates at 0.14 seconds per 60-degree sweep. When powered at 7.4 volts, torque increases to 33.65 kg/cm with a speed of 0.11 seconds per 60 degrees. At the maximum operating voltage of 8.4 volts, the servo achieves its peak specification: 38.20 kg/cm of torque and an impressive 0.10 seconds per 60-degree transit time. The servo weighs just 79.8 grams, making it remarkably compact given its power output. With dimensions of 40.0mm length, 37.8mm height, and 20.0mm width, the A6300 maintains a standard servo size whilst delivering performance that rivals much larger servos. The dual ball bearing support system and brushless motor technology ensure smooth, vibration-free operation even when driving large control surfaces at high speeds. The metal gear train with its tight tolerances and low-wear characteristics provides the precise control authority demanded by modern RC aircraft, whether you're flying giant-scale aeroplanes, high-performance jets, or engaging in aggressive 3D aerobatic manoeuvres. The aluminium construction dissipates heat effectively, maintaining consistent performance even during extended flights or rapid control inputs that generate friction and heat within the servo mechanism.
What's in the Box
- SPM A6300 Ultra Torque High Speed Metal Brushless HV Servo (P-SPMSA6300)
- Standard servo leads and connectors
- Pre-installed eyelets and grommets for mounting
What You Need to Complete
- Power source: 6.0 to 8.4 volt battery pack (LiPo or other suitable RC battery)
- RC receiver compatible with standard servo signal protocols
- RC transmitter paired with your receiver
- Servo mounting hardware appropriate to your aircraft structure
- Installation knowledge: understanding of servo installation, calibration, and failsafe configuration
Frequently Asked Questions
- Is the Spektrum A6300 suitable for giant-scale RC aircraft? — Yes, absolutely. The A6300 is specifically designed for giant-scale applications where massive torque and holding power are essential. With 530 oz-in of torque at 8.4 volts, this servo provides the control authority needed for large control surfaces on substantial aircraft models.
- What voltage battery does the A6300 require? — The A6300 operates safely across a range of 6.0 to 8.4 volts, giving you flexibility in battery selection. Most users will find excellent performance with standard 2S or 3S LiPo batteries, though the servo can accept higher voltage packs within the specified range for maximum performance.
- Is this servo fast enough for 3D aerobatics? — With a transit time of just 0.10 seconds per 60 degrees at 8.4 volts, the A6300 offers exceptional speed alongside its massive torque, making it genuinely suitable for 3D aerobatic flying, aggressive stunt manoeuvres, and any application requiring rapid control input response.
- How does the brushless motor compare to traditional brushed servos? — Brushless motors, like those in the A6300, are recognised as significantly more durable and reliable than brushed alternatives. They produce less friction, generate less heat, and require minimal maintenance whilst delivering superior longevity and consistent performance throughout their operational lifespan.
- Does the A6300 offer failsafe protection? — Yes, the servo includes integrated failsafe that holds the last known position if signal is lost whilst power is maintained, providing important safety features and helping prevent unpredictable aircraft behaviour during signal dropout situations.
- What makes the A6300 different from standard servos? — The A6300 combines several advanced features including brushless motor technology, dual bearing support, all-metal gears, aluminium construction, over-current and temperature protection, soft start functionality, and failsafe operation—all engineered together to provide performance and reliability that standard servos cannot match.
- Is installation straightforward? — Yes, the A6300 includes pre-installed eyelets and grommets that make mounting quick and simple. Standard servo leads allow connection to any RC receiver with compatible servo ports, though you should ensure your receiver and transmitter are properly set up and calibrated.
- What is the frequency range? — The A6300 operates across a frequency range of 200Hz to 333Hz, allowing fine-tuning to your specific application and enabling you to balance servo responsiveness with power consumption according to your needs.
Why Buy from RC Model Shop?
RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the SPM A6300 Ultra Torque High Speed Metal BL HV Servo P-SPMSA6300 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.
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