What is known for certain is that he uses multiple amplifiers simultaneously.

Modern instruments use electronic sensors, amplifiers, and recording devices.

Meters using amplifiers can measure tiny voltages of microvolts or less.

Through this period there were widespread efforts to use magnetic amplifiers as an alternative solid state device.

Electronic balance, or active balance, is achieved using differential amplifiers at each end of the line.

As a result, rhythm and lead players may use different guitars and amplifiers.

A power-saving stereo system uses amplifiers that switch on and off rapidly to save power.

For the first two albums, he used Marshall amplifiers and cabinets, with occasional effects.

Ward uses several different guitars and amplifiers while performing with Sparta.

The machine was an experiment in using magnetic amplifiers for computer use.