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Radio Valve Data: 1915-1960Keith R Thrower OBE, The Valve Museum, April, 2022.
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Post-1925 amplifying valves, frequency changers and signal diodes | Type | Description | Filament | Anode | Auxillary Grid | Grid | ra | gm/go | RL | Po | Rk | | Year | | | Volts | Amps | Volts | mA | Volts | mA | -V | kΩ | mA/V | kΩ | Watts | Ω | Type | Ref | |
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Note: for Loctal B8G read B8B, USS & USM = UX, Y8A = Footless |
ACD | Double diode | 4.0 | 1.00 | 200 | 0.8 | - | - | - | | | | | | B5 | 2 | 1936 |
ACG | GP or output triode | 4.0 | 1.00 | 200 | 8.0 | - | - | 7.5 | 6.0 | 2.70 | 12.0 | 0.20 | | B5 | 1 | 1933 |
ACHF | RF triode | 4.0 | 1.00 | 200 | 3.0 | - | - | 3.0 | 14.0 | 2.50 | | | | B5 | 1 | 1932 |
ACHP | RF pentode | 4.0 | 1.00 | 200 | 4.5 | 100 | 1.3 | | | 2.50 | | | | B7+tc | 6 | 1934 |
ACL | AF or output triode (IH) | 4.0 | 1.00 | 200 | 18.0 | - | - | 12.0 | 3.0 | 3.00 | 7.0 | 0.50 | | B5 | 1 | 1933 |
APNDH | Output pentode | 4.0* | 1.00 | 250 | 18.0 | 200 | 7.0 | 10.0 | | | 8.0 | 1.0 | | B5 | 6 | 1936 |
ACP | Output triode | 4.0* | 1.00 | 200 | 19.0 | - | - | 21.0 | 2.0 | 3.00 | 4.5 | 0.70 | | B4 | 1 | 1932 |
ACPN | Output pentode | 4.0 | 1.00 | 250 | 22.0 | 200 | 8.0 | 12.0 | | | 9.0 | 2.0 | | B5 | 6 | 1933 |
ACPP | Output triode | 4.0* | 2.00 | 400 | 50.0 | - | - | 25.0 | 1.8 | 5.00 | 4.0 | 5.0 | | B4 | 1 | 1936 |
ACSG | RF tetrode | 4.0 | 1.00 | 200 | 3.0 | 85 | 1.0 | | 350.0 | 1.40 | | | | B5+tc | 2 | 1932 |
ACVHP | VM RF pentode | 4.0 | 1.00 | 200 | 4.5 | 100 | 1.5 | | | 2.20 | | | | B7+tc | 6 | 1934 |
ACVS | VM RF tetrode | 4.0 | 1.00 | 200 | 7.0 | 90 | 1.5 | | | 2.00 | | | | B5+tc | 2 | 1933 |
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ADG | Output triode | 20.0 | 0.18 | 200 | 10.0 | - | - | 10.0 | 5.7 | 3.50 | 10.0 | 0.27 | | B5 | 1 | 1934 |
ADHF | Triode | 20.0 | 0.18 | 200 | 5.0 | - | - | 3.0 | 10.0 | 3.50 | | | | B5 | 1 | 1934 |
ADHP | RF pentode | 20.0 | 0.18 | 200 | 5.0 | 100 | 2.0 | | | 2.80 | | | | B7+tc | 6 | 1934 |
ADL | Output triode | 20.0 | 0.18 | 200 | 20.0 | - | - | 13.0 | 2.7 | 3.00 | 5.0 | 0.55 | | B5 | 1 | 1934 |
ADPN | Output pentode | 20.0 | 0.18 | 250 | 22.0 | 200 | 8.0 | 15.0 | | | 9.0 | 2.2 | | B5 | 6 | 1933 |
ADVHP | VM RF pentode | 20.0 | 0.18 | 200 | 5.5 | 100 | 2.3 | | | 2.50 | | | | B7+tc | 6 | 1934 |
B22 | Class B double triode | 2.0* | 0.22 | 150 | 5.0 | - | - | 0 | | | 13.0 | 1.2 | | B7 | 10 | 1933 |
B24 | Class B double triode | 2.0* | 0.44 | 150 | 7.0 | - | - | 0 | | | 9.0 | 2.0 | | B7 | 10 | 1933 |
DD13 | Double diode | 13.0 | 0.20 | 200 | 0.8 | - | - | | | | | | | B5 | 3 | 1936 |
DDT4 | Double diode triode | 4.0 | 1.00 | 200 | 3.0 | - | - | 3.0 | 14.0 | 2.50 | | | | B7+tc | 7 | 1936 |
DDT13 | Double diode triode | 13.0 | 0.20 | 200 | 3.0 | - | - | 3.0 | 14.0 | 2.50 | | | | B7+tc | 7 | 1936 |
FC4 | Heptode FC | 4.0 | 1.00 | 250 | 1.8 | 70 | 4.0 | 1.0 | 1.5M | 0.60⅄ | | | | B7+tc | 2 | 1936 |
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FC13 | Heptode FC | 13.0 | 0.20 | 200 | 1.8 | 70 | 4.0 | 1.0 | 1.5M | 0.60⅄ | | | | B7+tc | 2 | 1936 |
H2 | RF or detector triode | 2.0* | 0.10 | 150 | 2.5 | - | - | 1.5 | 20.0 | 1.00 | | | | B4 | 1 | 1932 |
HF13 | Triode | 13.0 | 0.20 | 200 | 3.0 | - | - | 3.0 | 14.0 | 2.50 | | | | B5 | 1 | 1936 |
HL2 | AF or detector triode | 2.0* | 0.11 | 150 | 4.0 | - | - | 4.0 | 12.5 | 1.20 | | | | B4 | 1 | 1932 |
LP2 | Output triode | 2.0* | 0.11 | 150 | 8.0 | - | - | 9.0 | 5.5 | 1.10 | 12.0 | 0.075 | | B4 | 1 | 1932 |
P2 | Output triode | 2.0* | 0.22 | 150 | 12.0 | - | - | 18.0 | 2.8 | 1.40 | 7.5 | 0.20 | | B4 | 1 | 1932 |
PN2 | Output pentode | 2.0* | 0.22 | 150 | 6.0 | 150 | 0.75 | 7.5 | | | 18.0 | 0.50 | | B5 | 6 | 1933 |
PX2 | Output triode | 2.0* | 0.22 | 150 | 22.0 | - | - | 22.0 | 1.8 | 1.50 | 5.0 | 0.40 | | B4 | 1 | 1932 |
SG2 | RF tetrode | 2.0* | 0.11 | 150 | 2.5 | 80 | 0.75 | | 300.0 | 1.00 | | | | B4+tc | 2 | 1932 |
VHP2 | VM RF pentode | 2.0* | 0.15 | 150 | 3.5 | 60 | 0.75 | | | 1.00 | | | | B7+tc | 4 | 1934 |
VHP13 | VM RF pentode | 13.0 | 0.20 | 200 | 4.0 | 100 | 1.5 | 1.5 | | 2.00 | | | | B7+tc | 6 | 1936 |
VS2 | VM RF tetrode | 2.0* | 0.11 | 150 | 4.5 | 80 | 1.2 | | | 1.20 | | | | B4+tc | 2 | 1933 |
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Rectifiers | Type | Class | Cathode | Va | DC Ia | PIV | DC Vo | Base | Year | | | Type | Volts | Amps | Max RMS | mA | Volts | Volts | Type | Ref | Year |
Clarion |
Note: for Loctal B8G read B8B, USS & USM = UX, Y8A = Footless |
UDH | HW | IH | 20.0 | 0.18 | 250 | 60 | | | B5 | 8 | 1936 |
UF4 | FW | DH | 4.0 | 1.00 | 250 | 60 | | | B4 | 5 | 1932 |
UF41 | FW | IH | 4.0 | 2.00 | 350 | 100 | | | B4 | 5 | 1936 |
UH4 | HW | DH | 4.0 | 1.00 | 250 | 40 | | | B4 | 4 | 1932 |
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