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Re: [Amps] Shipment of large old tubes

To: "Rob Atkinson" <ranchorobbo@gmail.com>, <amps@contesting.com>
Subject: Re: [Amps] Shipment of large old tubes
From: "Carl" <km1h@jeremy.mv.com>
Date: Tue, 20 Dec 2011 12:41:57 -0500
List-post: <amps@contesting.com">mailto:amps@contesting.com>
----- Original Message ----- 
From: "Rob Atkinson" <ranchorobbo@gmail.com>
To: <amps@contesting.com>
Sent: Tuesday, December 20, 2011 9:59 AM
Subject: Re: [Amps] Shipment of large old tubes


>I have been told the xxxTH tubes with the possible exception of the
> 100TH, really cannot be shipped safely.  The plate stems are just too
> long.   250, 450, 750 are tubes to be carefully driven to a flea
> market, sold, and carefully driven home by the buyer, resting upright
> in the back seat of his car (the tubes not the buyer hi hi).
>
> I bought several 4-1000A pulls from a ham over in Iowa year before
> last, and for those I drove over there and got them.
>
> 73
>
> Rob
> K5UJ


Ive had no problems with any TH/TL  or similar such as a 6C21 being shipped 
to me. Maybe Im just lucky but after a careful regettering they mostly work 
fine for RF or audio..

Ive heard of some 250/450's that arrive with broken filaments but no info as 
to age, year built, manufacturer, etc.

The 860/861 are tubes that have extremely fragile filaments and dont travel 
well. I have an 860 but still looking for a 861 within a reasonable drive. 
Then the pre 1930 KW will be finished.

Carl
KM1H 

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