[R-390] Tube Tester I-177B

[Joe Foley]

http://www.acadiacom.net/nlee/

Here ya' go Bubba!!

Joe




--- K3DX <K3DXlab at comcast.net> wrote:

> I've just acquired a Dynamic Mutual Conductance tube
> tester I-177B, with the 
> socket adapter kit MX949A/U.
> 
> Before I power up this puppy, and risk letting all
> the smoke out, are there any 
> precautions I should take? The line cord has been
> replaced with a 3-prong 
> version. The cord insulation looks good.
> 
> I'll open it tonight and look for leaking/cracked
> caps and cracked resistors. 
> The circuit is fairly simple, isn't it? Does it even
> use DC?
> 
> I'm impressed by the meter. It has three scales in
> microMhos. That seems a lot 
> better than good/OK/bad.
> 
>  From what I see in the charts, almost all the R390A
> tubes require using the 
> adapter "octopus." The charts are dated 1952, as is
> the socket adapter kit.
> 
> Regards,
> Dave - K3DX
> 
>
_____________________________________________________________
> R-390 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/r-390
> Help: http://mailman.qth.net/faq.htm
> Post: mailto:R-390 at mailman.qth.net
> Unsubscribe:
> http://mailman.qth.net/mailman/options/r-390
> 


__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com