5U4 vs 5Z4 tubes

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5U4 vs 5Z4 tubes

Vlad95
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Posts: 69
Threads: 5
Joined: Apr 2025
City: SPRUCE GROVE State, Province, Country: Alberta

Yesterday, 11:02 PM

5U4 and 5Z4 almost identical. I think nothing happened if you left 5U4 instedad 5Z4 long time.
Just heater current 5U4 is 3 Amp from 2 Amp with 5Z4. But it is not critical for not long time ( but maybe even permanently)

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Messages In This Thread

5U4 vs 5Z4 tubes - by bridkarl - Yesterday, 01:54 PM

RE: 5U4 vs 5Z4 tubes - by GarySP - Yesterday, 02:30 PM

RE: 5U4 vs 5Z4 tubes - by bridkarl - Yesterday, 02:37 PM

RE: 5U4 vs 5Z4 tubes - by Vlad95 - Yesterday, 11:02 PM

RE: 5U4 vs 5Z4 tubes - by Arran - 11 hours ago

RE: 5U4 vs 5Z4 tubes - by bridkarl - 3 hours ago

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RodB :beerchug:Vlad95 — 10:22 AM
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