Calling the balancing act balanced could also be construed as a misstatement. It only has a two gang volume pot and is just two SET's in a box with center tapped output transformers. The sad truth is that a high end amp must have XLR's but nobody gives any thought as to how they are used...
With center tapped output transformers, is this how the balancing act would be wired since it also has a 1/4" SE jack? This seems to negate the isolating "ground" as one of the supposed benefits of going "balanced." Only amp I see this isolation is a KG amp / GS-X. Does it even matter?
The amp above is a balanced amplifier even though the actual amplifier is SE and probably sounds better than a true balanced amp with 2 amplifiers. No 2 amplifiers will amplify the same
so the two out of faze signals will not be exactly opposite unless it is from a transformer.
In the WA22 which is balanced with a 4 gang pot. Lets say the output transformer has 100 turns of wire on the secondary that have one side grounded that coil is hooked across the coil
in the headphone. So if Mr Woo put in a center taped transformer lifted the one end off ground and grounded the center tap the amp would be truly balanced. But bottom line
the coil in the headphone is still hooked across the same 100 turns of wire in the output transformer so what is the difference.
The hole balanced thing is a marketing ploy. In a recording studio it is necessary were their might be hundreds of feet of wire between the mics and console. But at home with maybe
one meter of cable between the source and amp how much noise can this wire pick up. SE almost always sounds better than push pull to me anyway.
Maybe I shouldn't be on here I've been listening to jazz on my HD650 and sipping Tequila all afternoon