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Posts tagged supplay

Modified Electronics circuit power supplay

Further adjustments include a rectified and filtered heater supply to the triodes eliminating AC hum coupled to the signal path via parasitic wiring capacitances. A power transformer with a 350V-0-350V secondary supply an increased voltage supply to the output section with is then stepped down to the 5F6-A’s voltage supplies to the phase splitter, cathode […]

Tube Amp using EL34

Tube Amp using EL34 35W Electronic Parts R1=470K 0,5W R13-21=820K 0.5W R12-23= 180K 0.5W R2-5= 2K2 0.5W R14-22=5K6  0.5W R3=150K 0.5W R15-20= 680K 0.5W R4= 220K 0.5W R16-19=100K 0.5W R6-10= 56K 0.5W R17-18=3K3 1W R7=3.9K 0.5W R24=470R  2W R8= 220R  0.5W R9= 1M  0.5W R11= 39K 1W C2=220pF 600v C8-9=0.1uF 630V C10-14=0.47uF 630V C4-5=16uF 550V […]

STK4141 Class D Modules

STK4141 Class D Modules STK4141 Class D Modules circuit diagram STK4141 Class D Modules STK4141 Class D Modules

2SA1943 – 2SC5200 Schema and PCB Layout for Audio

2SA1943 – 2SC5200 Schema and PCB Layout for Audio

amplifier diagram

amplifier diagram using 2N3250, 2N2219, 2N2210, 2N3055

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