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← 842
842 — Candidate to replace following?
Power Triode — DHT — UX4
⚠ Safety
Jump to:
Equivalents
Your Tube
Top 10
Targets
Equivalents — Same Tube, Different Names
✓
VT-72
✓
UE942
✓
PJ-9
✓
38842
Top 10 Picks
VT-25
drop-in
7.5V
✓ Safe
801A
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:
3
gm:
1.2
mA/V
ra:
2,500
Ω
Ia:
28
mA
Pa:
12
W
Cgp:
7
pF
Pinout (UX4)
h
a
g1
h
Candidates to replace (12)
Heater:
1.5V
0
2V
0
2.5V
1
5V
0
6.5V
0
7V
1
7.5V
1
●
show all (7)
Fit:
Drop-in
1
Adapter
0
Status:
✓ Safe
3
⚠ Low Pa
9
1 shown (target 7.5V only)
▣ Compact
⚙ Thresholds filter
7.5V Heater
(1 candidates)
Tube
Status ↑
Pa
Ah
Fit
VT-25
✓ Safe
10
W
-17%
1.25
drop-in
Generated 2026-04-09
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0
selected
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