ECC33 — Candidate to replace following?

Small Signal Triode — Octal

Equivalents — Same Tube, Different Names

✓ CV2821✓ CV3986✓ 6SN7

Your Tube

Base: Octal

Heater: 6.3V / 0.4A

Type: small signal triode

mu:35gm:3.6mA/Vra:9,700ΩIa:9mAPa:2.5WCgp:2.5pF

Pinout (Octal)

g1_2a2k2g1_1a1k1

Candidates to replace (10)

Heater:

Fit:

Status:3 shown (target 6.3V only)

6.3V Heater(3 candidates)

Tube	Status ↑	Pa	Ah	Fit
6SL7	✓ Safe	1W-60%	0.3	drop-in
6SU7	✓ Safe	1W-60%	0.3	drop-in
ECC35	✓ Safe	1.5W-40%	0.4	drop-in

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