Tube cross-reference

10HF8 alternatives, equivalents, and replacements

Review exact electrical variations and directional substitutions recorded for the 10HF8 voltage radio detector converter. Compare core specifications and verify every restriction before using a replacement.

Replacement tubes for 10HF8

The following tubes are recorded as possible replacements for 10HF8. This direction does not establish that 10HF8 can replace them.

10EB8

Voltage Triode Pentode

Receiving Tubes

The database records 10EB8 as a possible replacement for10HF8.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Voltage Radio Detector Converter	Voltage Triode Pentode
Construction	Pentode-Triode	Pentode-Triode
Base	9DX	9DX
Socket	Not recorded	B9A
Base pins	9	9
Sections	2	2
Heater voltage	10.5 V	10.5 V
Heater current	0.45 A	0.45 A

10GN8

Power - Pentode (NOT beam)

Receiving Tubes

The database records 10GN8 as a possible replacement for10HF8.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Voltage Radio Detector Converter	Power - Pentode (NOT beam)
Construction	Pentode-Triode	Pentode-Triode
Base	9DX	9DX
Socket	Not recorded	B9A
Base pins	9	9
Sections	2	2
Heater voltage	10.5 V	10.5 V
Heater current	0.45 A	0.45 A

10JA8

Power - Beam (NOT sweep)

Receiving Tubes

The database records 10JA8 as a possible replacement for10HF8.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Voltage Radio Detector Converter	Power - Beam (NOT sweep)
Construction	Pentode-Triode	BeamPower-Triode
Base	9DX	9DX
Socket	Not recorded	B9A
Base pins	9	9
Sections	2	2
Heater voltage	10.5 V	10.5 V
Heater current	0.45 A	0.45 A

10JY8

Voltage Triode Pentode

Receiving Tubes

The database records 10JY8 as a possible replacement for10HF8.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Voltage Radio Detector Converter	Voltage Triode Pentode
Construction	Pentode-Triode	Pentode-Triode
Base	9DX	9DX
Socket	Not recorded	B9A
Base pins	9	9
Sections	2	2
Heater voltage	10.5 V	10.5 V
Heater current	0.45 A	0.45 A

10LZ8

Voltage Triode Pentode

Receiving Tubes

The database records 10LZ8 as a possible replacement for10HF8.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Voltage Radio Detector Converter	Voltage Triode Pentode
Construction	Pentode-Triode	Pentode-Triode
Base	9DX	9DX
Socket	Not recorded	B9A
Base pins	9	9
Sections	2	2
Heater voltage	10.5 V	10.5 V
Heater current	0.45 A	0.45 A

11JE8

Voltage Triode Pentode

Receiving Tubes

The database records 11JE8 as a possible replacement for10HF8.

No special restrictions are recorded for this substitution.

Specification	Original tube	Replacement
Tube type	Voltage Radio Detector Converter	Voltage Triode Pentode
Construction	Pentode-Triode	Pentode-Triode
Base	9DX	9DX
Socket	Not recorded	B9A
Base pins	9	9
Sections	2	2
Heater voltage	10.5 V	10.9 V
Heater current	0.45 A	0.45 A

Where 10HF8 can be used as the replacement

In these recorded relationships, 10HF8 is the replacement tube. The listed original tubes are not automatically suitable as replacements for 10HF8.

10EB8

Voltage Triode Pentode

Receiving Tubes

The database records 10HF8 as a possible replacement for10EB8.

No special restrictions are recorded for this substitution.

Specification	10HF8 replacement	Original tube
Tube type	Voltage Radio Detector Converter	Voltage Triode Pentode
Construction	Pentode-Triode	Pentode-Triode
Base	9DX	9DX
Socket	Not recorded	B9A
Base pins	9	9
Sections	2	2
Heater voltage	10.5 V	10.5 V
Heater current	0.45 A	0.45 A

10GN8

Power - Pentode (NOT beam)

Receiving Tubes

The database records 10HF8 as a possible replacement for10GN8.

No special restrictions are recorded for this substitution.

Specification	10HF8 replacement	Original tube
Tube type	Voltage Radio Detector Converter	Power - Pentode (NOT beam)
Construction	Pentode-Triode	Pentode-Triode
Base	9DX	9DX
Socket	Not recorded	B9A
Base pins	9	9
Sections	2	2
Heater voltage	10.5 V	10.5 V
Heater current	0.45 A	0.45 A

10JA8

Power - Beam (NOT sweep)

Receiving Tubes

The database records 10HF8 as a possible replacement for10JA8.

No special restrictions are recorded for this substitution.

Specification	10HF8 replacement	Original tube
Tube type	Voltage Radio Detector Converter	Power - Beam (NOT sweep)
Construction	Pentode-Triode	BeamPower-Triode
Base	9DX	9DX
Socket	Not recorded	B9A
Base pins	9	9
Sections	2	2
Heater voltage	10.5 V	10.5 V
Heater current	0.45 A	0.45 A

10JY8

Voltage Triode Pentode

Receiving Tubes

The database records 10HF8 as a possible replacement for10JY8.

No special restrictions are recorded for this substitution.

Specification	10HF8 replacement	Original tube
Tube type	Voltage Radio Detector Converter	Voltage Triode Pentode
Construction	Pentode-Triode	Pentode-Triode
Base	9DX	9DX
Socket	Not recorded	B9A
Base pins	9	9
Sections	2	2
Heater voltage	10.5 V	10.5 V
Heater current	0.45 A	0.45 A

10LZ8

Voltage Triode Pentode

Receiving Tubes

The database records 10HF8 as a possible replacement for10LZ8.

No special restrictions are recorded for this substitution.

Specification	10HF8 replacement	Original tube
Tube type	Voltage Radio Detector Converter	Voltage Triode Pentode
Construction	Pentode-Triode	Pentode-Triode
Base	9DX	9DX
Socket	Not recorded	B9A
Base pins	9	9
Sections	2	2
Heater voltage	10.5 V	10.5 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 10HF8 specifications →