>The question is the filament choke. The filament runs 7.5V @ 50A and we
>were wondering how to wind a suitable choke. What we have in mind is to
>tape 3 or 5 ferrite rods (3/8" diam is all that is avail in Australia) and
>winding the HEAVY DUTY bifilar coil around the bundle so that we have a
>decent diameter to wind the thick wire onto.
>
>Is it OK to bundle up the ferrite rods in this manner to build up the
>winding diameter? If you have any knowledge or experience with this, we
>would appreciate your input.
>
>We do not wish to buy any ready made components for this amp as we do not
>wish to spend any money to build the thing.
>
>73 to all,
>de Alek VK6APK and his mate Alex VK6KCC.
>
>
>--
I have done just this in both bigger and smaler amps, works just great.
73 good luck
de Jim SM2EKM
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