Graupner,C-4 Sonic-Set 40 MHz,3131

C-4 Sonic-Set 40 MHz Graupner 3131 A radio control system for RC cars and boats designed with ergonomic efficiency in mind, and priced to suit the beginner. For the chosen application this system offers high levels of functionality and operating convenience in its class. Externally accessible reverse switches: for reversing the direction of servo rotation at the transmitter. Switchable throttle/brake stick neutral point. Charge socket with electroniccircuit to guard against reversed polarity. Robust seven-section telescopic aerial. Integral BEC system for powering the receiving system from the drive battery in electric-powered models. The BEC power supply is an integral part of the B 4 SSM receiver; no external unit is required.

C 4 Sonic SSM 2-function transmitter on the 40 MHz band, B 4 SSM SUPERHET 2-function receiver on the 40 MHz band, C 512 servo, Receiver battery holder, Switch harness, Pair of crystals on the appropriate frequency.

Specification C 4 Sonic transmitter
DC power approx. 1.5 W
Transmission frequency 22 channels on the 40 MHz band
Plug-in crystal required 50 ... 92
Operating voltage 9.6 ... 12 V
Current drain approx. 160 mA
Channel functions 2 trimmables
Temperature range -15 ... +55°C
Aerial length approx. 1035 mm
Dimensions approx. 160 x 60 x 180 mm
Weight excl. battery approx. 390 g

Specification B 4 SSM 2-function receiver
Operating voltage 4.8 ... 7.2 V*
Current drain approx. 38 mA
Channel spacing 10 kHz
Sensitivity approx. 10 µV
Servo sockets 2
Temperature range approx. -15 ... +55°C
Aerial length approx. 470 mm
Dimensions approx. 49 x 34 x 21 mm
Weight approx. 32 g
* 4 to 6 NC cells