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← PX4
PX4 — Candidate to replace following?
Power Triode — DHT — B4
⚠ Safety
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Equivalents
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Top 10 Picks
PX25
drop-in
4V
⚠ Low Pa
Your Tube
Base:
B4
Heater:
4V / 1A
Type:
power triode
DHT
i
mu:
5
gm:
6
mA/V
ra:
830
Ω
Ia:
50
mA
Pa:
15
W
Cgp:
13.7
pF
Pinout (B4)
a
g1
h
h
Candidates to replace (1)
Fit:
Drop-in
0
Adapter
0
Status:
⚠ Low Pa
1
0 shown
▣ Compact
⚙ Thresholds filter
No candidates match the selected filters.
Generated 2026-04-09
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