T1 is 346g or 350g without the cord and both weight and weight distribution matters for overall comfort. Doesn't matter if you have really heavy headphone that weight distribution is top notch. You will still notice the gravitational force being applied by what you have on the head putting strains on your neck.
WA5 really? With descent tubes and upgrades that thing is over 4000.You can't listen to these vintage amps/receivers in normal audio stores. You have to get one from the used market and hope it's in descent sonic condition or restore it yourself.