Tube cross-reference
DH77 alternatives, equivalents, and replacements
Review exact electrical variations and directional substitutions recorded for the DH77 voltage - triode (with diode, heptode or hexode). Compare core specifications and verify every restriction before using a replacement.
Replacement tubes for DH77
The following tubes are recorded as possible replacements for DH77. This direction does not establish that DH77 can replace them.
Voltage - Triode (with diode, heptode or hexode)
The database records 6AT6 as a possible replacement forDH77.
No special restrictions are recorded for this substitution.
| Specification | Original tube | Replacement |
|---|---|---|
| Tube type | Voltage - Triode (with diode, heptode or hexode) | Voltage - Triode (with diode, heptode or hexode) |
| Construction | Diode-Diode-Triode | Diode-Diode-Triode |
| Base | Not recorded | 7BT |
| Socket | Not recorded | B7G |
| Base pins | Not recorded | 7 |
| Sections | 3 | 3 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Where DH77 can be used as the replacement
In these recorded relationships, DH77 is the replacement tube. The listed original tubes are not automatically suitable as replacements for DH77.
Voltage - Triode (with diode, heptode or hexode)
The database records DH77 as a possible replacement for6AT6.
No special restrictions are recorded for this substitution.
| Specification | DH77 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (with diode, heptode or hexode) | Voltage - Triode (with diode, heptode or hexode) |
| Construction | Diode-Diode-Triode | Diode-Diode-Triode |
| Base | Not recorded | 7BT |
| Socket | Not recorded | B7G |
| Base pins | Not recorded | 7 |
| Sections | 3 | 3 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Voltage - Triode (with diode, heptode or hexode)
The database records DH77 as a possible replacement for6AV6.
No special restrictions are recorded for this substitution.
| Specification | DH77 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (with diode, heptode or hexode) | Voltage - Triode (with diode, heptode or hexode) |
| Construction | Diode-Diode-Triode | Diode-Diode-Triode |
| Base | Not recorded | 7BT |
| Socket | Not recorded | B7G |
| Base pins | Not recorded | 7 |
| Sections | 3 | 3 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Voltage - Triode (with diode, heptode or hexode)
The database records DH77 as a possible replacement for6BK6.
No special restrictions are recorded for this substitution.
| Specification | DH77 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (with diode, heptode or hexode) | Voltage - Triode (with diode, heptode or hexode) |
| Construction | Diode-Diode-Triode | Diode-Diode-Triode |
| Base | Not recorded | 7BT |
| Socket | Not recorded | B7G |
| Base pins | Not recorded | 7 |
| Sections | 3 | 3 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 A |
Voltage - Triode (with diode, heptode or hexode)
The database records DH77 as a possible replacement for6BT6.
No special restrictions are recorded for this substitution.
| Specification | DH77 replacement | Original tube |
|---|---|---|
| Tube type | Voltage - Triode (with diode, heptode or hexode) | Voltage - Triode (with diode, heptode or hexode) |
| Construction | Diode-Diode-Triode | Diode-Diode-Triode |
| Base | Not recorded | 7BT |
| Socket | Not recorded | B7G |
| Base pins | Not recorded | 7 |
| Sections | 3 | 3 |
| Heater voltage | 6.3 V | 6.3 V |
| Heater current | 0.3 A | 0.3 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 DH77 specifications →