[SBE] RCA Dummy Load

[DanRapak at verizon.net]

Thanks Jack. Much appreciated!

On 4/5/2018 10:26 PM, jack.davis wrote:
> Darn spell check PCB
>
>
>
> Sent from my Verizon, Samsung Galaxy smartphone by smoke signals
>
> -------- Original message --------
> From: "jack.davis" <jack.davis at engineer.com>
> Date: 4/5/18 7:19 PM (GMT-08:00)
> To: sbe member discussion mail list <sbe at sbe.org>
> Subject: Re: [SBE] RCA Dummy Load
>
> It will be either 50 or 51.5 ohms and should be good to at least 
> channel 13.  The plug should be a normally closed thermal switch that 
> opens on high temperature.
>
> The oil could be something that smells like fly spray. Very obnoxious 
> stuff!  Will dissolve vinyl floor tile (don't ask). Could be COB.
>
> Jack
> K6YC
>
>
>
> Sent from my Verizon, Samsung Galaxy smartphone by smoke signals
>
> -------- Original message --------
> From: DanRapak at verizon.net
> Date: 4/5/18 6:02 PM (GMT-08:00)
> To: SBE Broadcast Group <sbe at sbe.org>
> Subject: [SBE] RCA Dummy Load
>
> All:
>
> I'm looking for information on an old dummy load. I have an old RCA 
> liquid cooled dummy load that's been collecting dust for several 
> years. It is an RCA  P/N 216251. It's a nice unit with substantial 
> heat fins. It's rated at 1 KW continuous and 1.5 KW for 30 minutes. 
> I'm about to put it in service in the ham shack. However, I have no 
> manual for it.
>
> My first question is, does anyone know what the frequency range of 
> this unit is?
>
> Second, there is a two-pin, military style Amphenol connector on the 
> the dummy load. What is the purpose of this connection?
>
> Finally, what is the recommended transformer oil / coolant for this thing?
>
> Any help would be appreciated.
>
> Thanks in advance,
> Dan Rapak
>
>
>
>
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