#QCX : Is toroid's manufacturer Amidon? #qcx

Axel
 

Hi,

is the manufacturer of the toroids L1, L2, L3 and L4 Amidon?

(Just seeking for the reason of low power output of my newly built QCX.
Have ruled out capacitors, value of inductances, properly removed
isolation of enameled wire, etc.)

73 Axel DF1ET

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