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← EF183
EF183 — Candidate to replace following?
Small Signal Pentode — Noval
⚠ Safety
Jump to:
Equivalents
Your Tube
Top 10
Targets
Equivalents — Same Tube, Different Names
✓
6EH7
✓
6F29
✓
CV5831
Top 10 Picks
EF184
drop-in
6.3V
✓ Safe
EF80
drop-in
6.3V
✓ Safe
Your Tube
Base:
Noval
Heater:
6.3V / 0.3A
Type:
ss pentode
gm:
12.5
mA/V
ra:
500,000
Ω
Ia:
12
mA
Pa:
2.5
W
Vs:
90
V
Cgp:
0.01
pF
Pinout (Noval)
k
g1
k
h
h
ia
Candidates to replace (3)
Heater:
3.6V
1
6.3V
2
●
show all (2)
Fit:
Drop-in
2
Adapter
0
Status:
✓ Safe
3
2 shown (target 6.3V only)
▣ Compact
⚙ Thresholds filter
6.3V Heater
(2 candidates)
Tube
Status ↑
Pa
Ah
Fit
EF184
✓ Safe
2.5
W
0.3
drop-in
EF80
✓ Safe
2.5
W
0.3
drop-in
Generated 2026-04-09
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0
selected
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select 1+ candidate to compare
a
g2
g3