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Posts tagged horn relay

Audio Schematics, Service Manuals

Audio Schematics, Service Manuals Audio Schematics Service Manuals Power Amplifier Peavey using TR 2sc4793,TIP122, A1013, 5551, 5401, C2383,2sc1837, MJE350,MJE340 Peavey PCB and LAY OUT curcuit diagram/ Best Power Amplifier Peavey, Paket Mini Pro Plus Audio Seven Peavey Dbx Plus Power Amplifier Peavey using TR 2sc4793,TIP122, A1013, 5551, 5401, C2383,2sc1837,MJE350,MJE340 Smart Voice 12,pv 2600 mixer, pcb, […]

Determining the optimum PCB layout

One of the keys in determining the optimum printed circuit board layout is to understand how and where the signal return currents actually flow,  Most designers only think about where the signal current flows  and ignore the path taken by the return current. we must understand how the high frequency current flows in a conductor. […]

designing electronic circuits

designing electronic circuits Audio amplifier Circuit and designing electronic circuits Using KA2211 designing electronic circuits designing electronic circuits

Model Police Car Siren circuit

Model Police Car Siren circuit using 9013, 9012 R1 ………….. 6,8K ohm R2 ………….. 2,2K ohm R3 ………….. 100K ohm R4 ………….. 15K ohm R5 ………….. 1K ohm R6 ………….. 470 ohm VR ………….. 1K ohm C1 ………….. 4,7uF – 10V C2 ………….. 0,068uF – 25V TR1 …………. P.U.T. MEU – 21 TR2 …………. FCS […]

PCB Booster tube and light flow control valves using 12AU7

PCB Booster tube and light flow control valves using 12AU7 A 12AU7-based booster and light overdrive running at 9 volts.  A very fun little circuit that has a minimal parts count and actually generates a good amount of boost and some overdrive. You can even run this one of a 9 volt battery if you […]

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