[ARC5] BC-375 Re-Tube Project- Scratch FOUR

[Bry Carling]

You should be able to buy a couple of used 4–1 25a for that price.

Bry Carling
http://af4k.com

> On Nov 19, 2013, at 8:35 AM, "David Stinson" <arc5 at ix.netcom.com> wrote:
> 
> Well, I dug around in "The Cave" and found a couple of 812s
> and am disappointed to report them as a "Nope..."
> 
> Many tubes are working OK as PA, but fail as the MO.
> The 812, like many others, just won't start as quickly as the 211 and "whoops."    I'm going to try 811 in the MO
> and will let you know.
> 
> Remember the goal:  an acceptably-operating set of tubes
> in the BC-375 for under $150. 
> and the Rules:
> No drilling, hacksawing or other physical changes
> (i.e.  no swapping tube sockets, etc.)
> No circuit changes unless 100% restorable to original-design (i.e. replacing bad caps is OK.  Even building something that plugs into the MO tube socket is OK.  Re-wiring the transmitter for an ECO stage is not).
> 
> So far, the only tube that really allows the rig to "settle down" and
> work acceptably on the higher bands is the 211.
> If I run out of tube alternatives, I have an idea for a "MO Module"
> that will "plug-n-play" in the MO socket.
> I *will* find a way..... 
> TNX OM ES 73 DE Dave AB5S
> 
> 
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