[BC] EF Johnson Parts list request

[Cowboy]

On Friday 20 May 2005 05:02, Phil Alexander wrote:
> On 19 May 2005 at 15:14, James Peck wrote:
> 
> > I have a customer with a damaged EF Johnson Type: 4134-MS4 coil from a
> > phasor on a 5 KW 3 tower array. We're trying to identify parts to create
> > replacements-short of a new unit for more $. Does anyone have a parts list
> > or a source for documentation on this beast? Reply off-list if you like.
> 
> Make physical measurements of the coils and calculate the inductance, 
> then replace with current production from Kintronics or one of the other
> manufacturers (Harris or Phasetek for example). I generally go with 
> Kintronics because they seem to have a good stock of all the commonly 
> used components. Their coils are also very similar to the old EFJ's.
> 
> A phasor for a 3 tower can't be that complex. The main thing is having
> current rating and enough inductance. Beyond that, there's not much to
> it. If you have a little excess inductance it can be strapped out.

 Carl T. Jones also manufactures coils.
 In my experience, give 'em the part number, and if they can't tell from
 that, then the dimensions of the coil, where it's tapped, and they can
 tell you the total inductance, the inductance it's tapped for, the current
 rating, price, and delivery date.