Radio Valve Data: 1915-1960

Keith R Thrower OBE, The Valve Museum, April, 2022.

Post-1925 amplifying valves, frequency changers
and signal diodes

Type

Description

Filament

Anode

Auxillary Grid

Grid

r_a

g_m/g_o

R_L

P_o

R_k

Base ^{(1)Pin-out details for non-exhibits can be found with the base details.}

Year

Volts

Amps

Volts

mA

Volts

mA

-V

kΩ

mA/V

kΩ

Watts

Ω

Type

Ref

 Tela-Radio

 Note: for Loctal B8G read B8B, USS & USM = UX, Y8A = Footless

DE.06 (2V)

General-purpose triode

1.8-2.0*

0.34

-

-

B4

1

1926

DE.06 (3V)

-

-

B4

1

DE.034 (2V)

-

-

B4

1

D.E.3

General-purpose triode

3.0*

0.06

-

-

B4

1

1926

D.E.4

General-purpose triode

4.0*

0.06

-

-

B4

1

1926

DET (4V)

-

-

B4

1

G.P. (4V)

General-purpose triode

3.5-4.0*

0.06

-

-

B4

1

1926

HP (2V)

-

-

B4

1

HP (4V)

-

-

B4

1

HP LS7

-

-

B4

1

T.P.3

General-purpose triode

2.5-3.0*

0.06

-

-

B4

1

1926