[Kenwood] TA-520 tubes

[rayfri]

Use 6146B or 6146W.  They are direct replacements.  I have retubed my TS 
520 with them and have had no trouble.  Neutralize according to the 
manual .... very simple procedure.
Ray  wa7itz

David Shipley wrote:

> I have a TS-520 that I bought recently and it has VERY low output. It 
> had been sitting for a LONG time! I removed the tubes to test them and 
> the 12BY7A tests good. I assume that is the driver. The power tubes 
> are S2001A. I assume they are the same as 6146. Am I right? Will 6146A 
> or 6146B be a good sub if so?
>
> TIA
> David....kf8ii
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