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← 801A
801A — Candidate to replace following?
Power Triode — DHT — UX4
⚠ Safety
Jump to:
Equivalents
Your Tube
Top 10
Targets
Equivalents — Same Tube, Different Names
✓
801
✓
VT62
✓
CV621
✓
202A
✓
VT-25A
Top 10 Picks
VT-25
drop-in
7.5V
✓ Close
842
drop-in
7.5V
✓ Safe
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:
20
W
Cgp:
6
pF
Pinout (UX4)
h
a
g1
h
Candidates to replace (12)
Heater:
1.5V
0
2V
0
2.5V
1
5V
0
6.5V
1
7V
1
7.5V
2
●
10V
0
show all (8)
Fit:
Drop-in
2
Adapter
0
Status:
✓ Close
1
✓ Safe
4
⚠ Low Pa
7
2 shown (target 7.5V only)
▣ Compact
⚙ Thresholds filter
7.5V Heater
(2 candidates)
Tube
Status ↑
Pa
Ah
Fit
VT-25
✓ Close
10
W
-50%
1.25
drop-in
842
✓ Safe
12
W
-40%
1.25
drop-in
Generated 2026-04-09
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0
selected
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