In article , Phil Allison
wrote:


** The ESL57 was 3 way, while the ESL63 and later designs have no actual
crossover points - the six concentric drive rings are fed with full
bandwidth.

The shorted turns included in the inductors of the transmission lines,
combined with the power drawn by the inner elements mean that the HF level
presented to the outer elements is reduced.

Slainte,

Jim

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