[Amps] rebuilding glass tubes
R.Measures
r at somis.org
Fri Jun 4 13:53:09 EDT 2004
=F0 Vic -- The type of power-grid tubes that are normally rebuilt are=20=
those with thoriated tungsten filaments and ceramic-metal construction.=20=
However, rumour has it that someone is rebuilding 8877s. -- cheerz
On Jun 4, 2004, at 7:39 AM, Vic Rosenthal wrote:
> R.Measures wrote:
>> ? Econco reportedly tried rebuilding 4-1000As but it proved to=20
>> economically unfeasible. The advantage of ceramic-metal tubes is=20
>> that they are literally silver-soldered together, so they may - if=20
>> required - be disassembled, repaired, and re-soldered. However, most=20=
>> worn out ceramic-metal tubes only need to be re-carburized with=20
>> acetylene gas and re-pumped to restore full function for c. another=20=
>> 20k hours of operation.
>
> Can the 3CX800A7 be rebuilt? I am happy with my Alpha 86, but the=20
> thought of eventually needing to replace the tubes at current prices=20=
> is scary.
>
> --=20
> 73,
> Vic, K2VCO
> Fresno CA
> http://www.qsl.net/k2vco
>
>
>
Richard L. Measures, AG6K, 805.386.3734. www.somis.org
More information about the Amps
mailing list