5B/257M — Candidate to replace following?

Beam Tetrode — Loctal

Equivalents — Same Tube, Different Names

✓ CV2220

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Your Tube

Base: Loctal

Heater: 12.6V / 0.47A

Type: beam tetrode

gm:6mA/VIa:72mAPa:25WVs:250V

Pinout (Loctal)

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Candidates to replace (3)

Heater:

Fit:

Status:3 shown

6.3V Heater(1 candidates)

	Tube	Status ↑	Pa	Ah	Fit
	5B/254M	✓ Close	25W	0.9	drop-in

19V Heater(2 candidates)

	Tube	Status ↑	Pa	Ah	Fit
	5B/256M	✓ Close	25W	0.3	drop-in
	5B/258M	✓ Close	25W	0.3	drop-in

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