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Placing the preamplifiers as close to the detectors as possible minimizes the output impedance for driving further stages.
These antennas contain preamplifiers providing gain levels of 26 dB (standard gain) and 35 dB (high gain).
This makes it suitable for audio applications, including audio amplifiers and preamplifiers , home entertainment system, mixing desks and audio recording equipment.
Microphone preamplifiers seem to come in two flavors these days: modern designs with lots of bells and whistles (such as EQ, dynamics and A / D converters) and vintage designs, which tend to take a more minimalist approach.
We generally call the first stage the preamplifier , though it may be the only amplification stage.
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