There's a 28 amp Getra step up on Ebay for $27 but I'll bet shipping will be quite a bit. No relation.
Properly (or overly) sized, should be no detriment although some can have mechanical hum... no guarantee. Some benefit through filtering and DC blocking. Some extra power draw, even at no load.
Properly (or overly) sized, should be no detriment although some can have mechanical hum... no guarantee. Some benefit through filtering and DC blocking. Some extra power draw, even at no load.