Opera - Grand Callas - Floor Standing Speakers BookShelf Speakers the ferromagnetic core employed is

the ferromagnetic core employed is considerably different from cores commonly used in audio products and consists of a stack of thin laminations of a special alloy of iron and silicon all insulated from each other

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RCA and XLR outputs

along with two ECC83 Gold Lion signal valves in the preamp section

Opera - Grand Callas - Floor Standing Speakers BookShelf Speakers the ferromagnetic core employed isOpera Grand Callas Loudspeaker The new Grand Callas model is a three way floorstanding speaker that replaces the previous model with the same name. This new version has been completely redesigned from top to bottom. In fact, the performance of this new Grand Callas is at the same level as our classic Tebaldi model, but with a significant reduction in footprint, room placement flexibility and price. This low range loaded reflex design uses two 8 long