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← VT-25
VT-25 — Candidate to replace following?
Power Triode — DHT — UX4
⚠ Safety
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Equivalents
Your Tube
Top 10
Targets
Equivalents — Same Tube, Different Names
✓
10
✓
10Y
✓
UX-210
✓
CX-310
✓
CV603
✓
1602
✓
VT-25A
Top 10 Picks
801A
drop-in
7.5V
⚠ Close, low Pa
842
drop-in
7.5V
⚠ Low Pa
50
drop-in
7.5V
⚠ Low Pa
Your Tube
Base:
UX4
Heater:
7.5V / 1.25A
Type:
power triode
DHT
i
mu:
8
gm:
1.6
mA/V
ra:
5,000
Ω
Ia:
18
mA
Pa:
10
W
Cgp:
7
pF
Pinout (UX4)
h
a
g1
h
Candidates to replace (11)
Heater:
1.5V
0
2V
0
2.5V
1
5V
0
6.5V
0
7V
1
7.5V
0
●
show all (7)
Fit:
Drop-in
0
Adapter
0
Status:
✓ Safe
2
⚠ Close, low Pa
1
⚠ Low Pa
8
0 shown (target 7.5V only)
▣ Compact
⚙ Thresholds filter
No candidates match the selected filters.
Show candidates on other heater voltages (6 additional)
Generated 2026-04-09
Status legend →
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target +
0
selected
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select 1+ candidate to compare