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A linear amplifier is an electronic circuit whose output is proportional to its input, but capable of delivering more power into a load. The term usually refers to a type of radio-frequency (RF) power amplifier , some of which have output power measured in kilowatts , and are used in amateur radio .
The second amplifier released was the Phase Linear 400 with 200 watts per channel. It shared the same distinctive brushed aluminum, dual VU meters front panel style as the 700. It retailed for just under $500. [1] The next product was the Phase Linear 4000 Series Auto-correlation Pre-Amplifier introduced in 1973 and manufactured through 1978.
HH Electronics is a British amplifier manufacturer that was founded in 1968 by Mike Harrison, Malcolm Green and Graham Lowes in Harston near Cambridge, England, where its first solid state TPA and MA range of studio quality amplifiers were designed and manufactured. These amplifiers were used by many recording and broadcasting studios ...
2.5 W audio power amplifier (fixed 34 dB gain) [43] LM383/LM2002 Yes 8 W audio power amplifier: LM384 5 W audio power amplifier (fixed 34 dB gain) [44] LM1875 20 W audio power amplifier (up to 90 dB gain) [45] LM1876 Dual 20 W audio power amplifier with Mute and Standby Modes (up to 90 dB gain) [46] LM386: Low voltage audio power amplifier [47 ...
The gain of a good quality full-range audio amplifier will be essentially flat between 20 Hz to about 20 kHz (the range of normal human hearing). In ultra-high-fidelity amplifier design, the amplifier's frequency response should extend considerably beyond this (one or more octaves either side) and might have −3 dB points < 10 Hz and > 65 kHz.
In 1987, Crown introduced the Macrotech 2400, capable of driving 100-volt lines directly. [3] Since then, further developments in high-power amplifier technology have widened the choices. Many manufacturers make amplifiers capable of direct connection to a high-impedance constant-voltage speaker line.
"A mechanical amplifier is basically a mechanical resonator that resonates at the operating frequency and magnifies the amplitude of the vibration of the transducer at anti-node location." [ 6 ] Resonance is the physical phenomenon where the amplitude of oscillation (output) exhibit a buildup over time when the frequency of the external forcing ...
The GU-50 (Russian: ГУ-50) is a power pentode vacuum tube intended for 50 watt operation as a linear RF amplifier on frequencies up to 120 MHz. It is, in fact, a Soviet-produced copy of the Telefunken LS-50 power pentode, [ 1 ] possibly reverse-engineered from German ( Wehrmacht ) military radios captured during World War II , or based on ...