While I have not spent a great deal of time with the Westinghouse, I do find it to be really nice. A bit darker midrange presentation, with nice crystalline highs (cymbals, etc.) which may make the mids sound comparatively a bit recessed. The WH does have a nice attack and impact with bass and snare drums, although the upper mids on acoustic piano ring a bit and are a bit 'heavy' or 'thick' on hammer strike. A slightly more compressed soundstage, but not claustrophobic and not lacking in air in the cymbals. It seems like a good tube If one likes a little darker, warmer sound -- assuming the slight mid harshness gets cooked out after some break-in. I'll be giving this one more time.
** Sound characteristics are in comparison to the '55 Ribbed Foton and 40's Staggered Plates Ken-Rad. YMMV.