Headphones

A 3.5mm socket (4) is provided for use with either headphones or an earpiece. Inserting a plug into this socket automatically mutes the internal loudspeaker.

Specifications

Power Requirements

9.0V

 

 

Batteries

6 x IEC R14 (C size)

Battery Life

 

 

 

 

Approx. 60hrs of listening for 4 hours a day at

 

normal volume using alkaline cells.

Frequency Coverage

 

 

 

 

FM

87.5-108MHz

 

MW

522- 1620kHz

 

LW

150- 281kHz

Circuit Features

4 ICs, 4 Transistors, 17 diodes.

Loudspeaker

100mm 8ohms

Output Power

1watt into 8ohms

Headphone socket

3.5mm dia

Aerial System FM

Telescopic aerial

MW

Built-in Ferrite aerial

LW

Built-in Ferrite aerial

The Company reserves the right to amend the specification without notice.

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Roberts Radio RP28 manual Headphones, Specifications, Circuit Features