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← GZ34
GZ34 — Candidate to replace following?
Rectifier — Octal
⚠ Safety
Jump to:
Equivalents
Your Tube
Top 10
Targets
Equivalents — Same Tube, Different Names
✓
5AR4
✓
U77
✓
CV1377
✓
R52
✓
596
✓
GZ37
✓
U54
Top 10 Picks
5V4
drop-in
5V
✓ Safe
5Y3
drop-in
5V
✓ Safe
GZ33
drop-in
5V
✓ Safe
5C3S
drop-in
5V
⚠ Low Pa
Your Tube
Base:
Octal
Heater:
5V / 1.9A
Type:
rectifier
Pinout (Octal)
nc
h
nc
a2
nc
a1
nc
h
Candidates to replace (8)
Fit:
Drop-in
3
Adapter
0
Status:
✓ Safe
3
⚠ Low Pa
5
3 shown
▣ Compact
⚙ Thresholds filter
5V Heater
(3 candidates)
Tube
Status ↑
Pa
Ah
Fit
5V4
✓ Safe
—
2
drop-in
5Y3
✓ Safe
—
2
drop-in
GZ33
✓ Safe
—
3
drop-in
Generated 2026-04-09
Status legend →
User Guide →
target +
0
selected
pick 1+ to compare
select 1+ candidate to compare
5R4
drop-in
5V
⚠ Low Pa
5U4G
drop-in
5V
⚠ Low Pa
5Z3P
drop-in
5V
⚠ Low Pa
GZ32
drop-in
5V
⚠ Low Pa