Trying to clarify what I posted earlier....the 5CX sockets appear in
scrapped FM and military gear plus industrial amps as mentioned. I dont
believe they are that hard to find but Europe may be an exception due to the
presence several other tube companies.
Carl
KM1H
> -----Original Message-----
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
> Behalf Of Carl
> Sent: Wednesday, December 15, 2010 10:44 AM
> To: Angel Vilaseca; amps@contesting.com
> Subject: Re: [Amps] 4 X 4-400C or 4 X 3-500Z HF amplifier
>
> Looking at the 4CX1000A and 5CX1500A sockets I believe the breech lock
> components of the 4CX1000A/4CX1500B socket can be adapted. The 3CX1000A7
> socket also uses the same components.
>
> Once the suppressor ring is firmly attached to the chassis then attach the
> remaining components from underneath and using at least 2 connections for
> the filament.
>
> This doesnt make for easy removal so also investigate the possibility of
> modifying the socket. Those sockets appear to be fairly common in Central
> and South America as obsolete FM and military transmitters are scrapped.
>
> Carl
> KM1H
>
>
> ----- Original Message -----
> From: "Angel Vilaseca" <avilaseca@bluewin.ch>
> To: <amps@contesting.com>
> Sent: Wednesday, December 15, 2010 8:26 AM
> Subject: Re: [Amps] 4 X 4-400C or 4 X 3-500Z HF amplifier
>
>
>> Hi,
>>
>> I bought a NOS 5CX1500A. I plan to use it in an HF amp.
>>
>> Sockets for this tube are rather scarce. Has someone tried to use it in
>> a home-made fixture?
>>
>> I know, a tube is supposed to be used in the original socket, but this
>> is HF, not VHF or UHF, and there is the example of another ceramic tube,
>> the GS 35B, for which there is simply no socket available.
>>
>> So, provided the ceramic isolators receive enough airflow ( maybe I
>> could use a couple of small computer fans) and connections and
>> decoupling caps leads are kept short, could this work?
>>
>> Anyone tried this before?
>>
>> Vy 73
>>
>> Angel HB9SLV
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