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this video explains connecting pre to power amp especially for vintage stereo and sound improvements.

Let’s take a look at my old Hammarlund HQ110A Ham Radio / Shortwave Receiver.

tube leaked at about 5000 volts.

Experimental scientific Industrial export use only all testing done on a 50 ohm dummy load.

Thank You Everyone.

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Four transistors, great output, 22-25 amp draw.

Tensile test the strength of a weld. MIG welding Carbon steel, MIG welding, Carbon steel, Welding, welding, pipe, engineering, workshop, tools, machine tools, MMA, TIG, TAG, MIG, MAG, stick welding, fabrication, fabrication and welding, fab and weld, science in steel,…