Kemper Amps Font

Their only logo is their symbol and if I shrink it, you can't even read their name... I wish they had just a text logo or something more "letter" focused.

Anyway,

Does anyone know the font Kemper Amps uses on their logo (or a very similar one)?

Quote from lightbox

Phi Caps Medium Extended by Cas van de Goor
http://www.myfonts.com/fonts/casvandegoor/phi-caps/

Cheers,
Martin

Many thanks.