Tube cross-reference
EC8010 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the EC8010 power - triode single (under 10w). Compare core specifications and verify every restriction before using a replacement.
Exact variations of EC8010
These designations belong to the same electrical variation group. Their names may differ because of international standards, manufacturing tolerances, or materials, but they are recorded as electrically equivalent—not merely substitutes.
8556 Power - Triode Single (under 10W)
- Base
- Not recorded
- Socket
- Not recorded
- Base pins
- Not recorded
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 0.65 A
Verify before substituting
Matching a base or heater voltage is not enough to prove that two tubes are interchangeable. Check pin connections, heater current, maximum ratings, bias requirements, warm-up behavior, and the equipment manufacturer’s service documentation before making a substitution.
View the complete EC8010 specifications →