Is there any chance this is an April Fool's joke?
Chris
On Feb 17, 2017, at 6:40 AM, ve4xt@mymts.net wrote:
> I've been trying to divine a defence for this box, but can't.
>
> If I read K9YC's choke cookbook correctly, there's no way this could achieve
> the level of broadband choking claimed. Moreover, not only is there no need
> to enclose such a device in so expensive an enclosure, it would compromise
> power handling. And if you did, how do you mount it at the only place it does
> any good?
>
> When it appears the best-performing choke in Jim's cookbook is nothing more
> than a frequency-specific number of turns of coax through, at most, $50 in
> ferrite cores, with no bulky enclosure, I just can't see why anyone would pay
> $900 for this.
>
> Also, if the photo is akin to an "exemplar" piece of furniture, and the box
> is built to custom specifications, then the quoted specifications are
> meaningless anyway.
>
> BTW, isn't the attenuation noted (called return loss) the only way any choke
> actually chokes?
>
> I think Array Solutions has some 'splainin to do!
>
> Then again, PT Barnum has never been proved wrong.
>
> 73, kelly, ve4xt
>
>
>
> Sent from my iPad
>
>> On Feb 17, 2017, at 12:54 AM, Wes Stewart <wes_n7ws@triconet.org> 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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