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← KT150
KT150 — Candidate to replace following?
Beam Tetrode — Octal
⚠ Safety
Top 10 Picks
KT120
drop-in
6.3V
✓ Close
6L6
drop-in
6.3V
✓ Safe
6P3S
drop-in
6.3V
✓ Safe
KT63
drop-in
6.3V
✓ Safe
KT170
drop-in
6.3V
⚠ Close, low Pa
Your Tube
Base:
Octal
Heater:
6.3V / 1.75A
Type:
beam tetrode
gm:
12.6
mA/V
ra:
3,000
Ω
Ia:
150
mA
Pa:
70
W
Vs:
225
V
Cgp:
1.75
pF
Pinout (Octal)
ia
h
a
g2
g1
nc
Candidates to replace (5)
Fit:
Drop-in
4
Adapter
0
Status:
✓ Close
1
✓ Safe
3
⚠ Close, low Pa
1
4 shown
▣ Compact
⚙ Thresholds filter
6.3V Heater
(4 candidates)
Tube
Status ↑
Pa
Ah
Fit
KT120
✓ Close
60
W
-14%
1.8
drop-in
6L6
✓ Safe
19
W
-73%
0.9
drop-in
6P3S
✓ Safe
19
W
-73%
0.9
drop-in
KT63
✓ Safe
11
W
-84%
0.7
drop-in
Generated 2026-04-09
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selected
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