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n. Informal
A preamplifier.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Electronics) informal a short form of preamplifier
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014



a preamplifier.
[1955–60; by shortening]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Anyone to have ever played a Fender Classic Stratocaster on a tube amplifier would know the fidelity of the audio signal output and the signature warmth in the guitar tone.
Launched in September 2009, the satellite was approaching the end of its design life when the travelling wave tube amplifier (TWTA) in the OSCAT instrument malfunctioned, leaving the instrument unusable.
To accomplish this task while accounting for fabrication challenges, a tapered loss material approach was employed in the cavities of the SBTWT (Sheet beam traveling wave tube amplifier).
Firstly, it is, Samsung claims, the first wireless speaker dock that supports both Android and Apple devices, and secondly, this particular model is powered by vacuum tube amplifier technology, providing a much warmer sound that what lesser speakers offer.
The blu-ray home theatre system and vacuum tube amplifier take the television experience a notch higher.
The company's PTC6441 travelling wave tube amplifier is helping to produce microwave plasmas to break down cellulose in a [euro]1.1 million research project called Micrograss.
The use of the newly developed, flexible travelling wave tube amplifier from TESAT enables further optimisation of satellite resources by allowing power to be reallocated between service regions according to changing needs," he added.
Amp Designer recreates 25 legendary vintage and modern amp heads in beautiful detail with matching controls and 25 paired speaker cabinets that emulate the sound and feel of a guitar running through a real tube amplifier. Guitar players can create their own custom rig by mixing and matching amps, cabinets, reverbs and EQs, and can choose from three different microphone types that can be positioned in 3D space to capture the ideal guitar tone.
L-3 Electron Technologies has introduced its new model 8923H dual-band, 300 Watt, 30 GHz/175 W 45 GHz Traveling Wave Tube amplifier designed for military satellite communication uplink applications.
Put together, these two devices make up the crucial working part of a satellite - the travelling wave tube amplifier (TWTA).
The reason behind the great sound is the latest vacuum tube amplifier technology.
Among his next big breakthroughs were the "Peavey Bandit," which outperformed the standard tube amplifier and became the best-selling guitar amp in the world, and the "Black Widow" and "Scorpion" loudspeakers, which were more heat-resistant than traditional types.