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Compared to the SM58, the SM57's grille allows for closer placement to the source of sound, while the SM58 provides a pop filter to reduce plosives ("pop" sounds) and wind. According to Shure, the SM57 frequency response extends from 40 Hertz (Hz) to 15 kHz. It is manufactured in the United States, Mexico, and China.
Compared to the SM57, the SM7 has a flatter (more neutral) frequency response, but also has two recessed switches for tailoring the response curve. One switch is a high-pass filter to reduce low frequency rumble, and the other is a mid-frequency reduction to attenuate and flatten out the SM7's inherent "presence" peak. [4] [5]
Frequency response 50 to 15,000 Hz [9] Polar pattern Cardioid, [9] rotationally symmetrical about microphone axis, uniform with frequency Sensitivity (at 1,000 Hz Open Circuit Voltage) −54.5 dBV/Pa (1.85 mV); 1 Pa = 94 dB SPL [9] Impedance Rated impedance is 150 Ω (300 Ω actual) for connection to microphone inputs rated low impedance [9 ...
Frequency response measurements are only meaningful if shown as a graph, or specified in terms of ±3 dB limits (or other limits). A weakness of most quoted figures is a failure to state the maximum SPL available, especially at low frequencies.
Magnitude response of a low pass filter with 6 dB per octave or 20 dB per decade roll-off. Measuring the frequency response typically involves exciting the system with an input signal and measuring the resulting output signal, calculating the frequency spectra of the two signals (for example, using the fast Fourier transform for discrete signals), and comparing the spectra to isolate the ...
A series of mixed vertical oscillators A plot of the peak acceleration for the mixed vertical oscillators. A response spectrum is a plot of the peak or steady-state response (displacement, velocity or acceleration) of a series of oscillators of varying natural frequency, that are forced into motion by the same base vibration or shock.
The Smith chart (sometimes also called Smith diagram, Mizuhashi chart (水橋チャート), Mizuhashi–Smith chart (水橋スミスチャート), [1] [2] [3] Volpert–Smith chart (Диаграмма Вольперта—Смита) [4] [5] or Mizuhashi–Volpert–Smith chart), is a graphical calculator or nomogram designed for electrical and electronics engineers specializing in radio ...
For some filter classes, such as the Butterworth filter, the insertion loss is still monotonically increasing with frequency and quickly asymptotically converges to a roll-off of 20n dB/decade, but in others, such as the Chebyshev or elliptic filter the roll-off near the cut-off frequency is much faster and elsewhere the response is anything ...