[Boatanchors] copper cap rectifiers

Wed, 14 May 2003 00:21:06 -0700 (PDT)

A 6AL5 is a dual diode for signal detection/AVC, most rigs use a 6.8 Ohm resistor in the filament
circuit to reduce heat in these tubes, any small signal diode would work in these circuits, can't
see the point realy, as the copper caps are for reducing the heat build up in the power
transformer, typicaly 15W without trying....

I have used them to replace 5Y3 and 5U4 in HT-37 Halli. and that is a big ask, as the peak inverse
voltage on the HT of a HT-37 is way over 1000v, as well as rectifires in HQ-180 and other
receivers, just plug them in.

0A2 is a regulator tube, does not apply here.

Rodney
VK2KTZ

--- Bob Raley <[email protected]> wrote:
> A while back I think I remember a discussion about using this product to
> replace the tube rectifiers in boatanchor equipment.  The reports I remember
> were very favorable in using them because the products have built in current
> inrush protection similar to the tube types they replace.  I'm wondering if
> anyone in the group has had experience in using them and if anyone has tried
> them replacing the 6AL5 and the OA2 tube types also?
> 
> Thanks for your reply...................Bob Raley KG5R
> 
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