> If they are anything like Zetagi amps from Italy, they are
> a bit generous
> with their power ratings.
> Zetagi's B550 amp is rated at 600W out. It uses (from
> memory) 4 x MRF455.
> According to the transistor specs, they are good for 55W
> out each. The 550
> that I had for a short while was good for 180 -200 Watts
Do they have output filters?
Do they have a good bias system that is stable with drive
Are they CB amplifiers?
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