5Y3GT to GZ34

[Red Planet]

Can you change a 5Y3GT rectifier to a GZ34 ?

I have a sweet little Tweed Proluxe that is a Tweed Deluxe with 6L6's in it in a 1x12 combo. It has the right trannies for 6L6's.

What I'm wanting to do is get rid of some of the sag and or compression.

[Old Tele man]

Yes, you should have no problem...just be sure to rebias to compensate for the voltage changes:

5Y3 draws 2.0A filament current
GZ34 draws 1.9A filament current

[Blue Strat]

.... and be sure that your filter caps are rated for the extra ~30 volts they'll see with the 5AR4.

There's no general rule concerning rectifier substitutions...every case is unique.

http://www.kcanostubes.com/Rectos.html

[Red Planet]

Talked to the guy who built my amp and he says it needs a choke before it can be changed to a GZ34. He says it will smoke a resistor before the Caps. He mentioned that he would do it for me but then I got to ship it and get it shipped back.