Specifications, Circuit features – Roberts Radio R9939 User Manual
Page 18
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Specifications
Power Requirements
Mains
AC 230 volts, 50Hz
only
Batteries
4 x LR14 (C size) for radio
2 x LR6 (AA size) for clock/memory
Battery Life
Approx. 40hrs of listening for 4 hours a day at
normal volume using alkaline cells.
Frequency Coverage
FM
87.5-108MHz
MW
522- 1620kHz
LW
144- 281kHz
Circuit Features
Loudspeaker
92mm 4ohms
Output Power
1W into 4ohms
Headphone socket
3.5mm dia
Aerial System FM
Telescopic aerial
MW
Built-in Ferrite aerial
LW
Built-in Ferrite aerial
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