Most amplifiers are analog because they are easier and cheaper to make than making a digital amplifier.

The ECTunes system, and most others so far disclosed, use a control box, with software, digital amplifiers and weather-friendly external speakers.

Science Fiction Come True In theory, a sandwich that is continuously electrified could also act as a digital amplifier.

These are sometimes called "digital" amplifiers because the output device is switched fully on or off, and not carrying current proportional to the signal amplitude.

The basic sample sound was then processed by a simple digital low pass filter, and then fed into the digital amplifier.

The term "class D" is sometimes misunderstood as meaning a "digital" amplifier.

In 1995, the company developed a highly efficient, low noise, digital amplifier featuring a switching-mode power supply.

The flagship product of the company is the BlackBox, a high performance speaker system with a built in digital amplifier.

The company's core products are the Virtue One and Virtue Two integrated digital amplifiers.

The mechanism described acted as a digital amplifier, repeating the telegraph signal, and thus allowing signals to be propagated as far as desired.