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← 25L6GT
25L6GT — Candidate to replace following?
Beam Tetrode — Octal
⚠ Safety
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Equivalents — Same Tube, Different Names
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25L6
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25L6G
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VT-201
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Base:
Octal
Heater:
25V / 0.3A
Type:
beam tetrode
gm:
8
mA/V
ra:
28,000
Ω
Ia:
46
mA
Pa:
12
W
Vs:
125
V
Cgp:
0.8
pF
Pinout (Octal)
nc
h
a
g2
g1
nc
h
Candidates to replace (22)
Heater:
6.3V
5
12.6V
1
Fit:
Drop-in
6
Adapter
0
Status:
✓ Close
2
✓ Safe
4
⚠ Close, low Pa
1
⚠ Low Pa
15
6 shown
▣ Compact
⚙ Thresholds filter
6.3V Heater
(5 candidates)
i
Tube
Status ↑
Pa
Ah
Fit
6W6
✓ Close
12
W
1.2
drop-in
6F6
✓ Safe
10.5
W
-12%
0.7
drop-in
6F6S
✓ Safe
11
W
-8%
0.7
drop-in
6K6
✓ Safe
8.5
W
-29%
0.4
drop-in
6M6G
✓ Safe
9
W
-25%
0.9
drop-in
12.6V Heater
(1 candidates)
i
Tube
Status ↑
Pa
Ah
Fit
12W6GT
✓ Close
12
W
0.6
drop-in
Generated 2026-04-09
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