Rolling Candidates to replace 420A

Small Signal Triode — Noval

Drop-In Replacements

✓ 5755✓ CK5755✓ CV3755

Top 10 Picks

ECC86adapter

6.3V⚠ Low Pa

6SF5adapter

6.3V⚠ Low Pa

6533adapter

6.3V⚠ Low Pa

7B4adapter

6.3V⚠ Low Pa

Rolling Candidates (5)

Heater:

Fit:

Status:0 shown (target 6.3V only)

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