Felipe Ceglia <py1nb@terenet.com.br>wrote:
>I have in hands a triode, which resembles very much the 3-1000z.
>
>I plugged it into an GG amplifier which uses the 3-1000z and it seemed like
>the plate capacitance was quite different from the 3-1000z.
>
>Would you have any information regarding this?
What type is it?
Probably a TB4/1250?
None of the Siemens triodes are for zerobias GG, you need
some negativ gridvoltage to reduce dissipation,
otherwise thes work very well in linears
73
Peter
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