[Boatanchors] 5U4 vs 5Y3

[K7NKS via Boatanchors]

When you say "testing purposes". What are you testing? How long? 

The 5U4 is a big rectifier with substantially more capability than the 5Y3. Testing a hefty rig like a transmitter could really stress a smaller rectifier tube. Testing a small receiver should be ok for short time. 

Good idea to check your fire extinguishers, fire/smoke alarms, and fire insurance.

73 Chuck K7NKS

Sent from my iPad

On May 24, 2014, at 11:33 AM, "Bob Jackson" <bob145 at suddenlink.net> wrote:

> Can a 5Y3 be subbed for a 5U4 for testing purposes?
> 
> Bob
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