amplifier

Rather, it acts as its own amplifier, once having received the thought.

Scarcely had he reached it when a series of dots and dashes roared from an amplifier.

An amplifier tube of this type is shown at H and costs $6.50.

That will mean a large effect in the plate circuit of the amplifier.

He walked to the amplifier and bent, fumbling with the door latch.

In fact, by increasing plate and grid voltages in the amplifier, I can pretty nearly burn out a man's brain.

The human mind does not need an amplifier, as the radio receiving set does.

As Joe set his amplifier into position, he sent a flash of light from his electric torch full upon one of those gray beasts.

Our amplifier gave out his shout—half fear, half admonition.

Despite the fact that the voice was coming through an amplifier, there was no distortion.