Hell all,
I think I agree with Wes.
 How else do you show a prospective customer how it is built and quality 
of the parts used.  Since it's 'built to order', there would not be one 
in stock to open up for pictures.
 Years and years ago, furniture salesmen would have smaller exemplar 
pieces available furniture.  I have a love seat that is better suited 
for 6 year olds.  Easy to carry and small to store and transport.
I would expect this may be the answer to the 'do-nothing' choke.
73 de Steve,NR4M
On 2/17/2017 1:54:AM, Wes Stewart wrote:
 Not defending this at all but... there shouldn't be any, or close to 
no attenuation.  It's a short length of high quality coax.  Since they 
claim it's built to customer specifications, and they don't quote any, 
maybe the photo shows how it would be built, not an actual balun.
On 2/16/2017 11:16 PM, Bert Almemo wrote:
 ...and this device (choke) would give you over 30 dB attenuation from 
1 to
30 MHz!! I'm definetely missing something!! How can this kind of 
advertising
be allowed? I'm no expert but I've made a few chokes and never 
managed to
accomplish this kind of choking impedance with a couple of turns of coax
through a few toroids. Can someone explain please! Thanks
Bert, VE3NR
  
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