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A horn-loaded speaker can have a sensitivity as high as 110 dB at 2.83 volts (1 watt at 8 ohms) at 1 meter. This is a hundredfold increase in output compared to a speaker rated at 90 dB sensitivity and is invaluable in applications where high sound levels are required or amplifier power is limited.
The voltage on a speaker wire depends on amplifier power; for a 100-watt-per-channel amplifier, the voltage will be about 30 volts RMS. At such voltage, a 1% loss will occur at 0.3 ohms or more of inductive reactance. Therefore, to keep audible (up to 20,000 Hz) losses below 1%, the total inductance in the cabling must be kept below about 2 μH.
Amlogic S905D2 1.5 GHz quad-core ARM Cortex-A53 [62] Amlogic T931 based on hexa-core Amlogic S922 with added NPU [63] Synaptics AS-370 1.4 GHz quad-core ARM Cortex-A53 [64] Synaptics AS-370 A1 1.8 GHz quad-core ARM Cortex-A53 [65] Amlogic S905D3 1.9 GHz quad-core ARM Cortex-A55; [66] High-performance ML hardware engine Display — — —
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The log-periodic is commonly used as a transmitting antenna in high power shortwave broadcasting [15] stations because its broad bandwidth allows a single antenna to transmit on frequencies in multiple bands. The log-periodic zig-zag design with up to 16 sections has been used.
However, there is at least one practical application that exploits those weaknesses: the use of a medium-size woofer placed closely in front of a "kick drum" in a drum set to act as a microphone. A commercial product example is the Yamaha Subkick, a 6.5-inch (170 mm) woofer shock-mounted into a 10" drum shell used in front of kick drums.
Speakers use passive analog crossovers, and analog equalizers use capacitors to select different audio bands. The resonant frequency f of a tuned circuit is a function of the inductance ( L ) and capacitance ( C ) in series, and is given by: f = 1 2 π L C {\displaystyle f={\frac {1}{2\pi {\sqrt {LC}}}}} where L is in henries and C is in farads.
The Switch Lite is physically larger than previous Nintendo handhelds: its display is 0.62 inches (1.6 cm) larger and the unit measures 1.9 inches (4.8 cm) longer when compared to a New Nintendo 3DS XL, which itself was the large-sized model in the Nintendo 3DS line.
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