Schaub Kongress

Hello,

I am needing a schematic of a Schaub Kongress using valves EK91 EF93 (?) EBC91 6AQ5.My email is abregada@gmail.com.Thanks in advance for any help.

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Is it this model Kongress 53 ?
There exists no tube EK91, only EK90. The other types are eqivalent to your tubes,

Regards WB.

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Correct valve type EK90.Thanks,A.B.Regada

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