13D1 — Candidate to replace following?

Small Signal Triode — Octal

Equivalents — Same Tube, Different Names

✓ 25SN7GT✓ CV423✓ 1633 ✓ 7N7

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Your Tube

Base: Octal

Heater: 25V / 0.15A

Type: small signal triode

mu:20gm:2.6mA/Vra:7,700ΩIa:9mAPa:5WCgp:4.1pF

Pinout (Octal)

g1_2a2k2g1_1a1k1

Candidates to replace (11)

Heater:

Fit:

Status:10 shown

6.3V Heater(7 candidates)

Tube	Status ↑	Pa	Ah	Fit
6SN7	✓ Close	5W	0.6	drop-in
6SL7	✓ Safe	1W-80%	0.3	drop-in
6SU7	✓ Safe	1W-80%	0.3	drop-in
ECC32	✓ Safe	5W	0.95	drop-in
ECC33	✓ Safe	2.5W-50%	0.4	drop-in
ECC34	✓ Safe	3.25W-35%	0.95	drop-in
ECC35	✓ Safe	1.5W-70%	0.4	drop-in

12.6V Heater(3 candidates)

Tube	Status ↑	Pa	Ah	Fit
12SN7WGT	✓ Close	5W	0.3	drop-in
12SX7	✓ Close	2.75W-45%	0.3	drop-in
B36	✓ Close	2.5W-50%	0.3	drop-in

target +0 selectedpick 1+ to compareselect 1+ candidate to compare