Tube cross-reference
1852 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 1852 voltage pentode - sharp cutoff (single). Compare core specifications and verify every restriction before using a replacement.
Exact variations of 1852
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.
6AC7 Voltage Pentode - Sharp Cutoff (single)
- Base
- 8N
- Socket
- IO
- Base pins
- 8
- Sections
- 1
- Heater voltage
- 6.3 V
- Heater current
- 0.45 A
Replacement tubes for 1852
The following tubes are recorded as possible replacements for 1852. This direction does not establish that 1852 can replace them.
Voltage Pentode - Sharp Cutoff (single)
The database records 6AC7 as a possible replacement for1852.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | Not recorded | 8N |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 A |
Where 1852 can be used as the replacement
In these recorded relationships, 1852 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 1852.
Voltage Pentode - Sharp Cutoff (single)
The database records 1852 as a possible replacement for6AC7.
No special restrictions are recorded for this substitution.
| Specification | 1852 replacement | Original tube |
|---|---|---|
| Tube type | Voltage Pentode - Sharp Cutoff (single) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Pentode | Pentode |
| Base | Not recorded | 8N |
| Socket | IO | IO |
| Base pins | 8 | 8 |
| Sections | 1 | 1 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.45 A | 0.45 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 1852 specifications →