[TowerTalk] Old Top Ten Devices Relay Switch Box

[mike stokes]

Sorry, wrong link.

https://web.archive.org/web/20200806153037/https://toptendevices.com/products/six-way-antenna-relay-box/

On Thu, Sep 22, 2022 at 5:43 PM mike stokes <mike9v at gmail.com> wrote:

> Maybe this will help.
>
> https://toptendevices.com/products/six-way-antenna-relay-box/
>
> On Thu, Sep 22, 2022 at 4:53 PM Ken K6MR <k6mr at outlook.com> wrote:
>
>> Except that TTD usually put back EMF diodes on the relay coils.  I know
>> the A-B switch boxes have them. I'd bet the 6 switch does also.
>>
>> Ken K6MR
>> ________________________________
>> From: TowerTalk <towertalk-bounces at contesting.com> on behalf of Al
>> Kozakiewicz <akozak at hourglass.com>
>> Sent: Thursday, September 22, 2022 1:45:03 PM
>> To: towertalk at contesting.com <towertalk at contesting.com>
>> Subject: Re: [TowerTalk] Old Top Ten Devices Relay Switch Box
>>
>> DX Engineering now owns TTD.
>>
>> If they are just relays, the polarity doesn't matter. Whether you common
>> +12V and ground to select or ground the common and apply +12V to select
>> doesn't matter.
>>
>> Al
>> AB2ZY
>>
>> -----Original Message-----
>> From: TowerTalk <towertalk-bounces at contesting.com> On Behalf Of Ed Goss
>> Sent: Thursday, September 22, 2022 4:39 PM
>> To: towertalk at contesting.com
>> Subject: [TowerTalk] Old Top Ten Devices Relay Switch Box
>>
>> HI Folks,
>>
>>       I have a couple of old Top Ten Devices relay boxes; no model number
>> or id is visible on the box. They allow for switching up to 6 different
>> antennas. I do not have, and cannot find any information on the control
>> heads for these relay boxes.  Markings on the relay box indicate that +12
>> volts is common, with the desired relay switched by applying
>> negative/ground.  This is opposite of all the other relay boxes I have used
>> (Ameritron, DXE) where you apply +12 volts to select the desired relay.
>>
>>      Does anyone know of a control head that would work with these old
>> relay boxes?  Thanks...
>>
>> --Ed, N3CW--
>>
>>
>>
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>
>
> --
> Mike Stokes
> KK9V
>


-- 
Mike Stokes
KK9V