The second time you put in vacuum tubes into a hand-crafted 2A3 stereo amplifier, you’ll know that two of the 4 pins are barely bigger than the opposite two. And also you’ll know that the tubes go in fairly simply, you don’t should drive them.
Chances are you’ll know this stuff as a result of the primary time you probably did it, you pushed actually exhausting and wrecked the tube.
Expertise has simply measured worth. If it’s vital, don’t rent a rookie.
