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← 71A
71A — Candidate to replace following?
Power Triode — DHT — UX4
⚠ Safety
Jump to:
Equivalents
Your Tube
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Targets
Equivalents — Same Tube, Different Names
✓
171A
✓
71
✓
71B
✓
UX171A
✓
CX371A
✓
CX71A
✓
CV2541
✓
182B
✓
482B
✓
4171
Top 10 Picks
300B
drop-in
5V
⚠ Low Pa
UX112A
drop-in
5V
⚠ Low Pa
Your Tube
Base:
UX4
Heater:
5V / 0.25A
Type:
power triode
DHT
i
mu:
3
gm:
1.7
mA/V
ra:
1,750
Ω
Ia:
20
mA
Cgp:
7.5
pF
Pinout (UX4)
h
a
g1
h
Candidates to replace (13)
Heater:
1.5V
0
2V
0
2.5V
0
5V
0
●
6.5V
0
7V
0
7.5V
0
10V
0
show all (8)
Fit:
Drop-in
0
Adapter
0
Status:
⚠ Low Pa
13
0 shown (target 5V only)
▣ Compact
⚙ Thresholds filter
No candidates match the selected filters.
Show candidates on other heater voltages (7 additional)
Generated 2026-04-09
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0
selected
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