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← AL3
AL3 — Candidate to replace following?
Power Pentode — P8A
⚠ Safety
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Equivalents
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Equivalents — Same Tube, Different Names
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TL3
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UAL3
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AL5/375
drop-in
4V
⚠ Low Pa
AL5
drop-in
4V
⚠ Low Pa
Your Tube
Base:
P8A
Heater:
4V / 1.85A
Type:
power pentode
gm:
9
mA/V
ra:
50,000
Ω
Ia:
36
mA
Pa:
9
W
Vs:
250
V
Pinout (P8A)
a
g1
k
h
h
g2
ia
Candidates to replace (10)
Heater:
4V
0
●
6.3V
6
show all (2)
Fit:
Drop-in
0
Adapter
0
Status:
✓ Close
5
✓ Safe
1
⚠ Low Pa
4
0 shown (target 4V only)
▣ Compact
⚙ Thresholds filter
No candidates match the selected filters.
Show candidates on other heater voltages (1 additional)
Generated 2026-04-09
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0
selected
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select 1+ candidate to compare
g3
nc