Becker grand prix Operating Guide

121

• Wavebands: 

FM 87.5 MHz - 108 MHz
MW 531 kHz - 1620 kHz
LW 153 kHz - 282 kHz
SW 5800 kHz - 6250 kHz

• Frequency range: 

20 Hz - 20 kHz for CD-mode
30 Hz - 15 kHz for FM
50 Hz - 2.5 kHz for MW, LW, SW

• Output: 

4 x 18 Watt

• Line cross section: 

0.75 mm² min.

• Loudspeaker impedance: 

min. 4 

Ω

• Line out: 

4 x analog Line Out (Va max 3Veff at
10 k

Ω

)

• GAL: 

In order to utilise the GAL, a square
wave voltage with a mass-related am-
plitude of +4 V to +12 V must be pro-
vided by the vehicle’s electronic
speedometer. Volume is increased in
7 increments of 2.5dB each.

• Antenna: 

Impedance 50 

Ω

• AF telephone input: 

Max. input voltage 8 V (if interference
occurs, a commercially available 1 : 1
repeater should be connected into the
signal cable).

• AUX input: 

16 K

Ω

 Input resistance, max. input

voltage 1.7 Veff

• Telephone mute: 

Low active level < 2 Volt

• Supply voltage: 

12 Volt

• CD Connection: 

Becker Silverstone 2630, Silverstone
2640, Silverstone 2660 and Silver-
stone 7860 CD changers can be con-
nected.

• Playable CDs: 

Only CDs which comply with DIN
EN 60908 can be used. The use of
8 cm CDs with an adapter is not rec-
ommended