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IMPORTANT:

 Never leave your RC model unsupervised when the 

battery is plugged in. If a defect occurs, it could set fi re to the 

model or the surroundings.

• Never wrap your speed-control in plastic fi lm or metal foil. In fact, 

make sure it gets enough fresh air.

• Avoid soldering longer then 5sec per soldering joint when repla-

cing the power wires to prevent possible damage to the speed-

control due to overheating of the components!

IMPORTANT: Pay close attention

 to the following points, as they 

will 

destroy

 the speed-control and 

destroy

destroy

void your warranty:

• Never allow the speed-control or other electronic components to 

come in contact with water. Do not operate the speed-control 

in the rain. If you ever have to operate in the rain, protect your 

speed-control properly to avoid that water reaches the speedo.

• If the speed-control is connected to the motor, never run the motor 

directly with a separate battery or run-in device.

• Never  connect  the  speed-control  incorrectly  or  with  reversed 

polarity.

• All wires and connections have to be well insulated. Short-circuits 

will destroy the speed-control. Pay special attention to the recei-

ver- and switch wires.

• Never change the polarity of the receiver connector.

• Never open the speed control and never solder on the PCB (except 

on external solder-tabs).

WARNING NOTES

SPECIFICATIONS 

• Mount the speedo using the supplied thick/black doubled-sided tape. 

Do not use the clear Scotch 468MP tape!

• Position the speed-control where it is protected in the event of a crash.

• Install the speed-control so that you have easy access to the connector and buttons.

• Make sure there is enough clearance (about 3cm) between the speed-control, power-wires, antenna and receiver.

Avoid any direct contact between power components, the receiver or the antenna. This can cause interference. If 

interference occurs, position the components at a difference place in the model.

• The aerial should be run vertically up and away from the receiver. Avoid contact with any parts made of carbon fi bre 

or metal. If the aerial is too long, don’t coil up the excess length. It is better to cut it down to a length of about 35 

cm. See also the instructions supplied with your radio control system.

• Make sure there are enough cooling slits in the body. This will increase the performance and life of all the electronic 

components.

INSTALLATION TIPS

CONNECTIONS

RECEIVER CONNECTING WIRE:

This LRP speed-control is equipped with an LRP Multicon

wire. As supplied, it will easily fi t in all ordinary receivers.

HALL SENSOR WIRE:

This bi-directional multipole wire (which comes with the motor and NOT the speed-control!) connects the speed-cont-

rol and the motor. Do not alter or modify this cable! There are replaceable/optional

rol and the motor. Do not alter or modify this cable! There are replaceable

rol and the motor. Do not alter or modify this cable! There are replaceable

 hall sensor wires available:

• #81910 (20cm)

• #81920 (10cm)

POWER WIRES:

For maximum performance, 13AWG power wires without any connectors are used.The unique splitted solder-tabs 

allow easy and convenient replacement of the power wires. Nevertheless some soldering skills are required. Avoid 

soldering longer then 5sec per soldering joint to prevent possible damage to the speed-control due to overheating of 

the components! There is a full 13awg replacement power wire set available: #82505

CONNECTION

* Transistors rating at 25°C junction temperature. Specifi cations subject to change without notice.
**@ 6cells (7,2V)

Dear Customer,

Thank you for your trust in this LRP product. By purchasing a SPHERE COMPETITION speed-control, you have chosen 

one of the most advanced speed-controls of today, which is full of new design features such as:

• Automatic Brushless / Brushed Adaptation 

• Forward/Brake Racing Speed-Control

  • IceDrive Design 

 

 

• AutoCell System - NiMH/LiPo Adaptation

• Super-Low Motorlimit   

 

• Sensored Brushless Technology

  • Blue metalised case and blue LED 

 

• 13AWG power-wires + external solder tabs

  • Multi-Protection System   

• Intuitive QC-style programming

  • Advanced Digital with 4 adj. Modes (AutoCell System, ADPC™, Initial-Brake, Automatic-Brake)

Please read and understand these instructions completely before you use this product! 

With operating this product, you accept the LRP warranty terms.

USER GUIDE

BRUSHED MOTOR:

• Blue/Yellow power-w

//

ire

Speedo MOT.A/MOT.B 

MOT.A

MOT.A

to „Minus“ on the motor.

• Orange power-wire

Speedo MOT.C to „Plus“ on the motor.

BRUSHLESS MOTOR:

• Blue power-wire

Speedo MOT.A to motor „A“

• Yellow power-wire

Speedo MOT.B to motor „B“

• Orange power-wire

Speedo MOT.C to motor „C“

• Connect the hall sensor cable to the speed-control and the motor.

HEATSINK:

We  recommend  using  the  supplied  heatsink  in  order  to 

achieve  best  performance  even  under  extreme  circumstances.  Clean 

the heatsink and stickerplate before you attach the clear/thin Scotch 

468MP thermal tape to guarantee perfect heat dissipation.

Caution: 

Use ONLY the supplied clear/thin Scotch 468MP thermal tape 

to attach the heatsink! Do not us standard double sided tape!

LRP electronic GmbH
Wilhelm-Enssle-Str. 132-134, 73630 Remshalden, Germany
Tel.: int+49-7181-4098-0, Fax: int+49-7181-4098-30
INFO@LRP-ELECTRONIC.DE   WWW.LRP-ELECTRONIC.DE

ORDER NO,:

                                 

80700

BRU BRUSHED

OVER 3.5T (BRUSHLESS)
OVER 5T (BRUSHED)

Brushless AND Brushed

yes

(automatic adaptation)

Typ.Volt.Drop (Brushed)* @20A

0.013V

Forward/Brake

yes

(racing style)

Rec. Motor Limit (Brushed)**

>5 turns

Case Size

33.1x37.6x14.9

Rated Current (Brushed)*

400A

Weight (excl. wires)

24.5g

B.E.C.

5.5V / 3.0A

Voltage Input 

4-7 cells (4.8-8.4V)

High Frequency

yes

Typ.Volt.Drop 

(Brushless)

* @20A 

0.018V / phase

Sensored Brushless System

yes

Rated Current (Brushless)* 

400A / phase

Multi-Protection-System

yes

Rec. Motor Limit (Brushless)** 

>3.5 turns

Power Wires

13awg

4 adj. Modes (NiMH/LiPo, ADPC™ Power Profi les, Initial Brake, Automatic Brake)

yes

Because of the physical principles of brushless technology, the speed-

controls do get a little hotter then brushed systems. Therefore it is re-

quired to let the speed-control cool down completely after every run. 

quired to let the speed-control cool down completely after every run. 

When running in extreme conditions (high ambient temperature, low-

turn motors, high gear ratios, etc.) we recommend using LRP‘s brush-

less cooling set #82500, which includes a pre-wired and perfectly sized 

d and perfectly sized 

fan and a spare power-capacitor.

On/Off

Switch

M

O

T.

C (

O

ra

ng

e)

Receiver 

wire

The SPHERE COMPETITION is supplied with 13AWG power-wires without connectors. Be very careful with the cor-

rect  wire  sequence/colors  since  an  in

rect  wire  sequence

rect  wire  sequence

correct  connections  may  damage  the  speed-control!  Avoid creating solder 

bridges on the solder-tabs and isolate all connections carefully.

Caution:

Avoid soldering longer then 5sec per soldering joint when replacing the power wires on speed-control and 

motor to prevent possible damage due to overheating of the components!

      • Connect the speed-control to the receiver (position: channel 2)

      • Doublecheck all connections before connecting the speed-control to a battery.

     

CAUTION:

If battery is connected with reversed polarity it will destroy your speed-control!

      • Red power-wire 

Speedo BAT+ to battery „Plus“

      • Black power-wire 

Speedo BAT- to battery „Minus“

      • The speed-control is now ready to be set-up (see back side).

SUPPRESSION

ONLY FOR BRUSHED MOTORS!

Motors with no capa-

citors or not enough capacitors may interfere with the 

speed-control. To avoid this, solder the supplied capaci-

tors to your motor (see picture).

orange

orange

orange

blue

yellow

blue

yellow

yellow

orange

Hall Sensor Wire

together to minus

yellow

yellow

RA00173

Hall Sensor Connector

BA

T + (

Re

d)

M

O

T.

B (

Ye

llo

w

)

BA

(B

la

ck

)

M

O

T.

A (

Bl

ue

)

Mount the power-capacitor in a positi-

on where it is protected in the event of 

a crash. The best place is right below 

the solder tabs and secure it with dou-

blesided tape.

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