09-03-2013, 09:04 PM
No you cannot use the same size/power pushpull instead of SE. It will saturate. At best you will have your sound degraded, at worst you will screw up your tube.
However if the transformer is oversized or air-gapped (possibly) then you may use push-pull type, but it does need to be oversized.
However if the transformer is oversized or air-gapped (possibly) then you may use push-pull type, but it does need to be oversized.