Roberts Gemini RD-31 - Technical Specifications; Power and Frequency Coverage; Circuit Features and Connections

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Specifications
Power Requirements
Mains AC 230 volts, 50Hz only
Batteries 6 x LR20 (D size)
Battery Life
Up to 100 hours of listening for 4 hours
a day at normal volume using alkaline
cells.
Frequency Coverage
FM 87.5-108MHz
DAB 174.928 - 239.200MHz
Circuit Features
Loudspeaker 2 x 79mm
Output Power 3W
Headphone socket 3.5mm dia
Line out socket 3.5mm dia
Aerial System FM Telescopic aerial
DAB Telescopic aerial