Tube cross-reference
5608 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the 5608 voltage - dual triode (similar). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for 5608
The following tubes are recorded as possible replacements for 5608. This direction does not establish that 5608 can replace them.
Voltage Pentode - High Frequency (single)
The database records DP61 as a possible replacement for5608.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Voltage Pentode - High Frequency (single) |
| Construction | Triode-Triode | Pentode |
| Base | Not recorded | Not recorded |
| Socket | B9A | B7G |
| Base pins | Not recorded | 7 |
| Sections | 2 | 1 |
| Heater voltage | 2.5 V | 6.3 V |
| Heater current | 2 A | 0.175 A |
Voltage Pentode
The database records E95F as a possible replacement for5608.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Voltage Pentode |
| Construction | Triode-Triode | Pentode |
| Base | Not recorded | Not recorded |
| Socket | B9A | B7G |
| Base pins | Not recorded | 7 |
| Sections | 2 | 1 |
| Heater voltage | 2.5 V | 6.3 V |
| Heater current | 2 A | 0.175 A |
Voltage Pentode - Sharp Cutoff (single)
The database records EF95 as a possible replacement for5608.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Voltage Pentode - Sharp Cutoff (single) |
| Construction | Triode-Triode | Pentode |
| Base | Not recorded | 7BD |
| Socket | B9A | B7G |
| Base pins | Not recorded | 7 |
| Sections | 2 | 1 |
| Heater voltage | 2.5 V | 6.3 V |
| Heater current | 2 A | 0.175 A |
Voltage Pentode
The database records M8100 as a possible replacement for5608.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Dual Triode (similar) | Voltage Pentode |
| Construction | Triode-Triode | Pentode |
| Base | Not recorded | Not recorded |
| Socket | B9A | Not recorded |
| Base pins | Not recorded | Not recorded |
| Sections | 2 | 1 |
| Heater voltage | 2.5 V | 6.3 V |
| Heater current | 2 A | 0.175 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 5608 specifications →