[Amps] Eimac tube on the 'bay

[Roger]

Roger wrote:
> Larry wrote:
>   
>>    I wouldn't recommend powering up the HT-33b though, or you may be
>> returning to the restoration bench... Larry
>>   
>>     
> Yah, it looks like some of those pits are pretty deep and PL-172s are 
> notorious for going gassy while the 8295As have a good reputation. Maybe 
> that's why a good tested 8295 runs twice the price of a good tested PL-172.
> The PL-172s have a designator of PL-172/8295A, but the true 8295A is 
> metal ceramic while the 172 is metal with glass seals.  Neither one goes 
> for much (on average) untested.  OTOH I sometimes see some untested "as 
> is" tubes go for far more than I'd pay. 
>   
I should add that the 8295A is relatively rare and when found in tested 
and in good shape are worth a small fortune.  In addition to being 
metal/ceramic they are about a 1/2" taller than the glass/metal PL-172

73

Roger (K8RI)
> 73
>
> Roger (K8RI)
>
>
>   
>> -----Original Message-----
>> From: Roger [mailto:sub1 at rogerhalstead.com]
>> Sent: Sunday, October 11, 2009 10:16 PM
>> To: n1miw at cox.net
>> Cc: amps at contesting.com
>> Subject: Re: [Amps] Eimac tube on the 'bay
>>
>>
>>
>>
>> Larry wrote:
>>   
>>     
>>>    Looks like this tube didn't sell the first time, so he's trying
>>>     
>>>       
>> again...
>>   
>>     
>>> Anyone have a sandblaster? Should clean up nicely with one of those! I bet
>>> the vacuum would need to be "put back in" though! :-)   ...Larry
>>>
>>>
>>>     
>>>       
>> http://cgi.ebay.com/EIMAC-TUBE-8295-PL-172-Hallicrafters-Amp-more-NR_W0QQite
>>   
>> mZ370270597830QQcmdZViewItemQQptZVintage_Electronics_R2?hash=item5635d8f2c6
>>   
>>
>> We were talking about that one over on the Hallicrafters group last
>> week.  I thought it'd make a good, colorful addition to a restored
>> HT-33B while keeping it all original.  Don't spose that one had a bit of
>> exposure to salt water or was left in wet packing for "some time"?  It
>> was also labeled another hurricane casualty.
>>
>> 73
>>
>> Roger (K8RI)
>>   
>>     
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>>>     
>>>       
>>   
>>     
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