[Milsurplus] More on the TCS Filter Adaptor

[Kenneth G. Gordon]

On 31 Jan 2016 at 0:00, Mike Morrow wrote:

> You might try using tubes with similar characteristcs of the type used in the
> AN/SRR-13* receivers, which last time I checked were easy to find new and
> inexpensive:
> 
> 6AU6 is a sharp-cutoff pentode...so is the 5636 (used in SRR-13 IF stages). 6BA6
> is a remote-cutoff pentode...the 5899 is semi-remote cutoff (used in SRR-13 RF
> stages).
> 
> The wire-lead 5636 and 5899 both have 6.3v 0.15a heaters, and typical plate
> voltage of 150v.

Excellent choices, Mike.

David, I have those NIB here if you can't find them anywhere else. I'd be glad 
to send those to you if you would then report to the group about how well 
they work for you.

Ken W7EKB