Bertran - 112 Tube radio
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Bertran 112, manufactured in 1945, in very good physical condition with untested functionality, includes power cable and measures 35 cm high, 50 cm wide, 26 cm deep, weighing 8 kg.
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Description from the seller
Tuning Bands: * Normal (Medium Wave / AM): Tunes frequencies between 550 and 1600 (Kilocycles, what we now call kHz).
Shortwave (SW): Tunes frequencies (Megacycles, today MHz), divided into the bands of the old meters
Technology: Vacuum-tube superheterodyne. In the central schematic on the back cover it can be inferred that it uses about 4 or 5 tubes to amplify and tune the signal.
Antenna and Ground Connection: At the bottom left there is the connector for the Antenna (a long external cable was needed to pick up short waves well) and the Ground terminal (literally depicted with a drawing of a water faucet, which is where people used to tether the ground wire in houses of the era to avoid noise and static).
Phono Input (FONO): The central lower connector allowed connecting an old gramophone or turntable to use the radio’s speaker as an amplifier.
Front controls: It has 4 knobs for: Power/Volume, Tuning, Band Change (Normal/Short) and Tone.
Tuning Bands: * Normal (Medium Wave / AM): Tunes frequencies between 550 and 1600 (Kilocycles, what we now call kHz).
Shortwave (SW): Tunes frequencies (Megacycles, today MHz), divided into the bands of the old meters
Technology: Vacuum-tube superheterodyne. In the central schematic on the back cover it can be inferred that it uses about 4 or 5 tubes to amplify and tune the signal.
Antenna and Ground Connection: At the bottom left there is the connector for the Antenna (a long external cable was needed to pick up short waves well) and the Ground terminal (literally depicted with a drawing of a water faucet, which is where people used to tether the ground wire in houses of the era to avoid noise and static).
Phono Input (FONO): The central lower connector allowed connecting an old gramophone or turntable to use the radio’s speaker as an amplifier.
Front controls: It has 4 knobs for: Power/Volume, Tuning, Band Change (Normal/Short) and Tone.
Details
Era
1900-2000
Brand
Bertran
Model
112
Multiple models
No
Physical condition
Very good
Number of objects
1
Includes
Power cord
Year of manufacture
1945
Weight
8 kg
Functional condition
Not tested
Height
35 cm
Width
50 cm
Depth
26 cm
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