[Central-Electronics] 6550

[Gordon]

Thanks Stu for the info,
  I just ordered a matched pair of the Russian Tung-Sol tubes. They are 
shouldered as you suggested.
I should have them in a couple of days.
I'll report back once I receive and install them.

73,
Gordon

On 7/22/2013 10:16 PM, w7fe wrote:
> When buying replacement 6550's for the 100V/200V, be sure to get ones 
> with the shouldered glass envelope.
> I have found that the ones with straight-sided envelopes turn out to 
> be too tall and will interfere with the RF cage cover.
>
> I bought a pair with the shouldered envelopes a few years ago from the 
> Russian guys who claim to be manufacturing per the original Tung-Sol 
> specs and use the original box colors and artwork.  They have been 
> working fine.
>
> 73 de Stu, W7FE
> Henderson, NV
>
> ----- Original Message ----- From: "Gordon" <gordon at n6wk.com>
> To: <central-electronics at mailman.qth.net>
> Sent: Monday, July 22, 2013 7:01 PM
> Subject: [Central-Electronics] 6550
>
>
>> I am almost finished with my CE-100V Restoration.
>> Today I discovered that my 6550 finals are bad.
>> I have about 8 watts going into the grids and less then 1 watt output.
>> Voltages check fine on the Finals. Where is the best place to buy a 
>> new pair? Or, is there a better tube that can be used?
>> Also, I notice that my meter action seems sticky. Sometimes it drops 
>> back past Zero, other times it stops above zero.
>> Anyone have a meter or movement to sell?
>>
>> Thanks,
>> Gordon
>> N6WK
>>
>>
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