[BC] When did GE die? RCA, Westinghouse, Collins Western Electric.

[Robert Meuser]

Dave,

You must have forgotten that Continental built a 60 kw fm tx not that long ago.

R

DHultsman5 at aol.com wrote:
>  
> In a message dated 6/2/2006 2:32:14 AM Central Standard Time,  
> dynotherm at earthlink.net writes:
> 
> Like all  boxes of
> that era, they were built like tanks. Each PA served as driver for  the next
> larger size - 250W - 3 kW - 10 kW - 50 kW TPO. All outputs and  inputs were
> coaxial at 51.5 ohms. I don't know if they manufactured the 50  kW design,
> but I saw everything from 10W (yes they had a 10 W NCE box which  was the
> exciter with a PA stage added) through 10 kW. One station where I  worked
> 
> 
> ********************************
>  
> Collins also had brochures up to 50 kW. FM  all just add on  amplifiers.  As 
> I recall the only company to make the 50 kW. FM was  RCA,  which sold one to 
> WBRC-FM in Birmingham that had 500,000 Watts  ERP  using the RCA transmitter 
> and a horizontal FM Antenna atop Red  Mountain.   I have heard they, RCA sold 
> four of these  transmitters.
>  
> The later high power FM transmitters were the famous RCA "ring  amplifiers"  
> from low-band TV consisting of seven RCA 5762 triodes in  parallel.  I believe 
> these were used at the Fetzer 500 kW. stations in  Michigan.
>  
> Does anyone have an recollection of the type of transmitter used with the  
> 300 kW. transmitter at the old WILL-FM in Champain-Urbana,  IL????  I  know the 
> university dropped the ERP when they replaced the old  transmitter.
>  
>  
> Dave
> 
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