[Boatanchors] 5AR4/GZ34

[Reed Park]

third Eric wrote:

> de N4TGC Eric
>
> There's an archive somewhere that covers all this, but here's the synopsis:
> For MOST applications, there is little difference in any of the full-wave
> rectifiers: 5AR4, 5AS4, 5AU4, 5DJ4, 5U4, 5V3, 5V4, 5Y3, 5Y4, 5Z3, 5Z4, etc.
> There are minor variations in exact basing, in that some numbers tie to
> more pins than others, and larger tubes (5U4) handle more current than
> smaller ones (5Y3), but that's about it.

I would hardly call the difference between a GZ34 and a 5U4 minor.
The GZ34 has a cathode on pin 8 and the 5U4 has no cathode at all.
Unless my tube manual is wrong.    :-)

7 3
Reed

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