TUBEOFILE
Search
Compare
FAQ
Tube+
Sign In
Sign In
☰
Loading...
← 12DQ6
Rolling Candidates to replace 12DQ6
Beam Tetrode — Octal
⚠ Safety
Drop-In Replacements
✓
12DQ6A
✓
12DQ6B
Top 10 Picks
12W6GT
drop-in
12.6V
⚠ Low Pa
5B/257M
adapter
12.6V
✓ Close
1625
adapter
12.6V
✓ Safe
12AV5
adapter
12.6V
⚠ Close, low Pa
Rolling Candidates (144)
i
Heater:
2.1V
0
4V
2
4.5V
0
6.3V
57
8.4V
0
12.6V
2
●
13V
0
15V
0
16.5V
0
18.9V
1
19V
2
21V
2
22V
0
25V
0
26.5V
1
30V
1
33V
0
35V
0
45V
0
show all (19)
Fit:
Drop-in
0
Adapter
2
Status:
✓ Close
16
✓ Safe
52
⚠ Close, low Pa
3
⚠ Low Pa
73
2 shown (target 12.6V only)
▣ Compact
⚙ Thresholds filter
12.6V Heater
(2 candidates)
Tube
Status ↑
Pa
Ah
Fit
5B/257M
✓ Close
25
W
0.47
adapter
1625
✓ Safe
30
W
0.45
adapter
Generated 2026-04-09
Status legend →
User Guide →
Rolling FAQ →
target +
0
selected
pick 1+ to compare
select 1+ candidate to compare