[Amps] What tube?

[Roger (K8RI)]

On 1/29/2015 5:19 PM, Gerald Williamson via Amps wrote:

Not necessarily.  Particularly older glass bottles like the 813 and 
glass to metal like the PL172 which go gassy with little or no use.  
Good 813s are gettiong harder to find and I think PL172s are rare while 
the 8295A version brings a premium price.

73

Ro0ger (K8RI)


> Bill, he had the right idea; except they last longer if you never turn them
>   on!
>   
> 73,
> Gerald K5GW
>   
>   
>   
>   
>   
> In a message dated 1/29/2015 2:08:25 P.M. Pacific Standard Time,
> wlfuqu00 at uky.edu writes:
>
> We had a guy in our club that believed that tubes would last longer if you
> never turned them off.
> Naturally, the tubes were completely flat after he  had not used the
> amplifier over a period of time.
> Practically no emission,  but they did glow.
> bill  =
> _______________________________________________
> Amps mailing list
> Amps at contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
>


---
This email has been checked for viruses by Avast antivirus software.
http://www.avast.com