They allow radio, compact disc players and record-players to be handled and modified.
They enable to increase their powerlevel for driving
We develop sub-categories : Preamplifier,
Power amplifier, Receiver, collector devices
and several technologies, transistor and lamp.
Quite rare amplifier by Pathé-Marconi, in woodcase. Inputs for both ceramic and magnetic turntables, tuner, tape. Bass and treble controls for each channel. Connectors for one pair of speakers.