Rolling Candidates to replace E186F

Small Signal Pentode — Noval

⚠ Safety

Drop-In Replacements

✓ 7737

Rolling Candidates (144)

Heater:

Fit:

Status:95 shown (target 6.3V only)

6.3V Heater(95 candidates)

Tube	Status ↑	Pa	Ah	Fit
C3g	✓ Close	3.5W	0.37	adapter
E180F	✓ Close	3W	0.3	adapter
6HV5A	✓ Safe	35W	1.8	adapter
7027A	✓ Safe	35W	0.9	adapter
6384	✓ Safe	30W	1.2	adapter
6889	✓ Safe	30W	1.2	adapter
6HS5	✓ Safe	30W	1.5	adapter
6L6GC	✓ Safe	30W	0.9	adapter
7581	✓ Safe	30W	0.9	adapter
5B/254A	✓ Safe	25W	0.9	adapter
5B/254M	✓ Safe	25W	0.9	adapter
5B/255M	✓ Safe	25W	0.9	adapter
807	✓ Safe	25W	0.9	adapter
KT66	✓ Safe	25W	1.3	adapter
5881	✓ Safe	23W	0.9	adapter
6P3P	✓ Safe	20.5W	0.9	adapter
6BG6	✓ Safe	20W	0.9	adapter
6N3C	✓ Safe	20W	0.9	adapter
6L6	✓ Safe	19W	0.9	adapter
4689	✓ Safe	18W	1.35	adapter
4689K	✓ Safe	18W	1.35	adapter
6DQ6	✓ Safe	18W	1.2	adapter
EL12/375	✓ Safe	18W	1.2	adapter
EL12/425	✓ Safe	18W	1.2	adapter
EL12	✓ Safe	18W	1.2	adapter
EL12N	✓ Safe	18W	1.2	adapter
EL12spez	✓ Safe	18W	1.2	adapter
EL150	✓ Safe	18W	1.2	adapter
EL35	✓ Safe	18W	1.35	adapter
EL39	✓ Safe	18W	1.35	adapter
EL5	✓ Safe	18W	1.3	adapter
EL50	✓ Safe	18W	1.35	adapter
EL54	✓ Safe	18W	1.2	adapter
EL5G	✓ Safe	18W	1.35	adapter
EL6	✓ Safe	18W	1.2	adapter
EL61	✓ Safe	18W	1.35	adapter
6FW5	✓ Safe	17.5W	1.2	adapter
6P14P	✓ Safe	14W	0.76	adapter
6V6	✓ Safe	14W	0.45	adapter
6GK6	✓ Safe	13.2W	0.76	adapter
6P6S	✓ Safe	13.2W	0.45	adapter
6Y6	✓ Safe	12.5W	1.25	adapter
6AQ5	✓ Safe	12W	0.45	adapter
6CH6	✓ Safe	12W	0.75	adapter
6HG5	✓ Safe	12W	0.45	adapter
6P1	✓ Safe	12W	0.45	adapter
6P15P	✓ Safe	12W	0.76	adapter
6P18P	✓ Safe	12W	0.76	adapter
6P33P	✓ Safe	12W	0.76	adapter
6P43P	✓ Safe	12W	0.625	adapter
6W6	✓ Safe	12W	1.2	adapter
7189A	✓ Safe	12W	0.76	adapter
7C5	✓ Safe	12W	0.45	adapter
EL44	✓ Safe	12W	0.72	adapter
EL84	✓ Safe	12W	0.76	adapter
6F6S	✓ Safe	11W	0.7	adapter
KT63	✓ Safe	11W	0.7	adapter
6F6	✓ Safe	10.5W	0.7	adapter
7AD7	✓ Safe	10W	0.6	adapter
8608	✓ Safe	10W	0.6	adapter
E55L	✓ Safe	10W	0.6	adapter
EL5070	✓ Safe	10W	0.6	adapter
4694	✓ Safe	9W	0.9	adapter
6AG7	✓ Safe	9W	0.65	adapter
6BM5	✓ Safe	9W	0.45	adapter
6CK6	✓ Safe	9W	0.71	adapter
6M6G	✓ Safe	9W	0.9	adapter
EL11	✓ Safe	9W	0.9	adapter
EL3/375	✓ Safe	9W	0.9	adapter
EL3	✓ Safe	9W	1.2	adapter
EL3G	✓ Safe	9W	0.9	adapter
EL3N	✓ Safe	9W	0.9	adapter
EL41	✓ Safe	9W	0.71	adapter
EL53	✓ Safe	9W	0.9	adapter
EL803	✓ Safe	9W	0.76	adapter
EL82	✓ Safe	9W	0.8	adapter
6K6	✓ Safe	8.5W	0.4	adapter
EL2	✓ Safe	8W	0.2	adapter
EL32	✓ Safe	8W	0.2	adapter
EL81	✓ Safe	8W	1.05	adapter
6BH5	✓ Safe	7.5W	0.45	adapter
6CL6	✓ Safe	7.5W	0.65	adapter
CV1501	✓ Safe	7.5W	0.8	adapter
EL42	✓ Safe	6W	0.2	adapter
EL85	✓ Safe	6W	0.2	adapter
EL95	✓ Safe	6W	0.2	adapter
5A/152M	✓ Safe	5W	0.47	adapter
E810F	✓ Safe	5W	0.34	adapter
D3a	✓ Safe	4.5W	0.315	adapter
7A7	✓ Safe	4W	0.3	adapter
6J9P	✓ Safe	3.5W	0.4	adapter
6J11P	✓ Safe	3.4W	0.45	adapter
6AH6	✓ Safe	3.2W	0.45	adapter
5749	✓ Safe	3.1W	0.3	adapter
6F23	✓ Safe	3W	0.3	adapter

Generated 2026-04-22Status legend →User Guide →Rolling FAQ →

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