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← 6Y6
6Y6 — Candidate to replace following?
Beam Tetrode — Octal
⚠ Safety
Jump to:
Equivalents
Your Tube
Top 10
Targets
Equivalents — Same Tube, Different Names
✓
6Y6G
✓
6Y6GA
✓
6Y6GT
✓
CV515
✓
VT-168A
Top 10 Picks
6F6
drop-in
6.3V
✓ Safe
6K6
drop-in
6.3V
✓ Safe
6M6G
drop-in
6.3V
✓ Safe
6W6
drop-in
6.3V
✓ Safe
Your Tube
Base:
Octal
Heater:
6.3V / 1.25A
Type:
beam tetrode
gm:
7.1
mA/V
ra:
18,300
Ω
Ia:
66
mA
Pa:
12.5
W
Vs:
135
V
Cgp:
0.66
pF
Pinout (Octal)
nc
h
a
g2
g1
nc
Candidates to replace (22)
Heater:
6.3V
5
●
12.6V
1
25V
1
show all (3)
Fit:
Drop-in
5
Adapter
0
Status:
✓ Safe
7
⚠ Close, low Pa
2
⚠ Low Pa
13
5 shown (target 6.3V only)
▣ Compact
⚙ Thresholds filter
6.3V Heater
(5 candidates)
Tube
Status ↑
Pa
Ah
Fit
6F6
✓ Safe
10.5
W
-16%
0.7
drop-in
6F6S
✓ Safe
11
W
-12%
0.7
drop-in
6K6
✓ Safe
8.5
W
-32%
0.4
drop-in
6M6G
✓ Safe
9
W
-28%
0.9
drop-in
6W6
✓ Safe
12
W
-4%
1.2
drop-in
Generated 2026-04-09
Status legend →
User Guide →
target +
0
selected
pick 1+ to compare
select 1+ candidate to compare
6F6S
drop-in
6.3V
✓ Safe
6CD6G
drop-in
6.3V
⚠ Close, low Pa
5881
drop-in
6.3V
⚠ Low Pa
6550
drop-in
6.3V
⚠ Low Pa
7581
drop-in
6.3V
⚠ Low Pa
350B
drop-in
6.3V
⚠ Low Pa
h
k