Power Finals

The valves that perform the function of POWER FINALS , in an amplifier device, work in current and have the task of amplifying a signal entered at its input (generally from a first stage called preamplifier) to a level such that they can drive some loads, in audio, generally loudspeakers. The most famous and still used today are the Triode, the Tetrode and the Pentode.

Power Finals
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