Warm up for an AB amp is usually 20-40 minutes. For a Class A amp, it can be much longer. My experience is tube amps usually warm quicker due to the direct heated nature of most triodes. I find my amps are warmed after about 20 minutes. It is audible and obvious when they cross the line.
Break-in of cables depends on the brand. Clarus burns things in for a solid 200 hours. Others may be longer or shorter.
Break-in of cables depends on the brand. Clarus burns things in for a solid 200 hours. Others may be longer or shorter.