[Milsurplus] RCA mechanical filter, was Boulevard Receiver

[Jim Whartenby]

Strange to hear that an RCA designed receiver would use Collins
mechanical filters.  I believe RCA had mechanical filters in receivers
long before Collins.  The RCA AN/ARC-21 uses two IIRC.
Jim

--- wf2u at ws19ops.com wrote:

 
> Then there is my later model triple-conversion RMCA AR-8516 marine  
> receiver with Collins mechanical filters (1950's) which is an AC/DC  
> receiver. It's one of the best receivers in my collection.
> The British Marconi Atalanta marine receiver (double conversion,  
> 1960's) is an AC/DC receiver as well. There is an optional factory  
> power supply installed in mine, but it just provides isolation from  
> the line and rectifies the AC.
> It is also an excellent professional receiver.
> 
> 73, Meir WF2U,
> Landrum, SC