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2. Bob Carver - Wikipedia

   en.wikipedia.org/wiki/Bob_Carver

   Bob Carver used "distortion pots" to introduce amplifier characteristics, fine-tuned to null-out any sound differences. His modified amplifier sound was so similar, Stereophile Magazine editors could not tell the difference between his amplifier and one costing more than $6,000. [5] This amplifier was marketed as the M1.0t for about $400.00.

3. Magnetic amplifier - Wikipedia

   en.wikipedia.org/wiki/Magnetic_amplifier

   The magnetic amplifier (colloquially known as a "mag amp") is an electromagnetic device for amplifying electrical signals. The magnetic amplifier was invented early in the 20th century, and was used as an alternative to vacuum tube amplifiers where robustness and high current capacity were required.

4. Phase Linear - Wikipedia

   en.wikipedia.org/wiki/Phase_Linear

   It was a design collaboration by Bob Carver and Bill Skinner. The company was known for the most powerful audio amplifiers of the era led by the Phase Linear D-500 introduced in 1978. It was a stereo power amplifier delivering 505 watts of clean (typically < 0.1% total harmonic distortion over 20 Hz–20 kHz) RMS power per channel. It had a ...

5. Crossed-field amplifier - Wikipedia

   en.wikipedia.org/wiki/Crossed-field_amplifier

   Crossed-field amplifier internal operation. A CFA's electric and magnetic fields are perpendicular to each other ("crossed fields"). This is the same type of field interaction used in a magnetron; as a result, the two devices share many characteristics (such as high peak power and efficiency), and they have similar physical appearances.

6. Klystron - Wikipedia

   en.wikipedia.org/wiki/Klystron

   Precautions are routinely taken when transporting klystron devices in aircraft, as the intense magnetic field can interfere with magnetic navigation equipment. Special overpacks are designed to help limit this field "in the field," and thus allow such devices to be transported safely.

7. Traveling-wave tube - Wikipedia

   en.wikipedia.org/wiki/Traveling-wave_tube

   The TWT is an elongated vacuum tube with an electron gun (a heated cathode that emits electrons) at one end.A voltage applied across the cathode and anode accelerates the electrons towards the far end of the tube, and an external magnetic field around the tube focuses the electrons into a beam.

8. ‘Why we never got Ebola’ by Huffington Post

   testkitchen.huffingtonpost.com/ebola

   Powered by. Why We Never Got Ebola: A Christmas Story. by Tim Cunningham

9. Amplidyne - Wikipedia

   en.wikipedia.org/wiki/Amplidyne

   An amplidyne is an obsolete electromechanical amplifier invented prior to World War II by Ernst Alexanderson. It consists of an electric motor driving a DC generator . The signal to be amplified is applied to the generator's field winding , and its output voltage is an amplified copy of the field current .