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Amplifiers with power above a dozen or so watts require a power supply supplying two voltages (i.e., symmetrical voltage). The presented system is a simple power supply that allows you to work with audio amplifiers up to 100W. The module can be a complement to the self-built audio system. It allows you to make a non-stabilized power supply with a maximum output current of up to 6A.
Project AVT 3233 EdW 08/18
Attention! Electrolytic capacitors connected to a voltage higher than their rated voltage and reversed, may explode, posing a serious health risk! There are dangerous voltages for health and life in the power supply, which may persist for a long time after the power supply has been disconnected. Before connecting the amplifier to the power supply, make sure that the capacitors C5 ... C10 are discharged.
Responsible person AVT SPV Sp. z o.o. Leszczynowa 11 03-197 Warszawa Poland zamowienia@avt.pl
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I/O Expansion board for Raspberry PI B+. PiFace Digital 2 add-on board for Raspberry Pi that allows for connecting things that will influence the world around it
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PCB and programmed circuit for remote control switch with two relays. AVT5551 A +
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FM radio kit using the Si4820 and NCP2890. The board has pre-soldered circuits, making the assembly process easier for the user. To complete the radio, simply solder the remaining components, such as resistors and capacitors, and the radio offers tuning and volume control, with sound output from the included 66 mm speaker. The board is powered from 2.5 V to 5.5 V, which allows it to be used with both mains power and AA batteries, and the Si4820 circuit provides excellent radio reception quality. Kitronik 2157
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AVT kit for self-assembly of a symmetrical power supply for audio amplifiers. AVT3233 B