[Antennas] maxx-com tuners

[Robert Lay (W9DMK)]

But, hey, guys, it's broad-band!!!

73 de W9DMK - Bob Lay, Dahlgren, VA
http://zaffora.f2o.org/W9DMK/W9dmk.html
w9dmk at crosslink.net
----- Original Message ----- 
From: "Chris Boone" <CBoone at earthlink.net>
To: <antennas at mailman.qth.net>
Sent: Monday, January 02, 2006 8:11 PM
Subject: RE: [Antennas] maxx-com tuners


> Yes, that exactly what I and KE5O found decades ago...we had looked at one
> at our employment for our HF emergency network system..We had been using
> B&W's AC3-30 antenna but the loss below 10 MHz on signal level was enough 
> to
> consider something else. Bought one of these "tuners" and measured it with
> test gear.....hmmmmm constant 50 ohm load across HF.....
> When we finally broke it apart (well, we WERE curious) we found the
> resistors...and nothing else!!!
> NO Wonder it makes a good 50 ohm load across HF...the resistor does
> that...what the dipole elements get is little or nothing!!
>
> What a rip........better to run a tuner and have a REAL signal!
>
> Chris
> WB5ITT
>
>
>> -----Original Message-----
>> From: antennas-bounces at mailman.qth.net
>> [mailto:antennas-bounces at mailman.qth.net] On Behalf Of Danny
>> Richardson
>> Sent: Monday, January 02, 2006 6:21 PM
>> To: antennas at mailman.qth.net
>> Subject: Re: [Antennas] maxx-com tuners
>>
>> At 01:47 PM 1/2/2006, you wrote:
>>
>> >Has anyone had experience with Maxx-Com antenna tuners?
>> >www.maxx-com.com
>> >
>> >They appear to be paralleled networks, with no relays.
>> >
>> >Thanx 72 73 Terry, WA0ITP
>>
>> In November 1984 QST the ARRL did a product review on this
>> scam. Their conclusion, after X-raying the unit (it is
>> incased in epoxy) it consisted of eight swamping resistors
>> that are placed at the feed point of the antenna. In other
>> words a dummy load!
>>
>> The review is available on the ARRL members only web site:
>> http://www.arrl.org/members-only/prodrev/pdf/pr8411.pdf
>>
>>
>> Danny, K6MHE
>
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