The next step for the Sfera Loudspeaker was to bring field coil drivers into the horn loaded design.
Horns amplify the colours, shadings and nuance which field coil speakers bring to the enterprise and so this is a natural evolvement for the Sfera as a horn loaded system.
A high tension design was selected to run between 75 and 125 volts.
Kapton Tape isolation.
Hammertone paint was selected for its vintage aspect.
Baskets mounted.
Here a stock phase plug is attached for the pictures.
However this will change to a bronze unit later...
which significantly changes performance.
These assorted pictures scale the 5" basket to the magnet assembly.
After break-in and testing the brand is applied.
More to follow on the 15" bass field coil and power supplies...
as well as testing and listening impressions.
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