Tube-number record
A3064
0 archive entries
A3064 is a tube type in the TubeDatabase archive (class: R.F. PENTODE). Recorded specifications: brand M-O VALVE CO. LTD., construction Pentode, socket Miniature 7-pin (B7G), maximum plate voltage 300 V, and maximum plate dissipation 2.5 W. The archive does not yet hold a photographed example of this type.
BrandM-O VALVE CO. LTD.
ClassR.F. PENTODE
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 0.3 mA
Construction
Primary TypePentode
EnvelopeTubular
Sectionssingle
Filament / Heater
Heater NotesHeater current spread 275-325 mA
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation2.5 W
Grid 2 Voltage300 V
H-C Voltage250 V
Audio Performance
Key Features
- Long life
- Close control of characteristics
- Sample-based characteristic spread testing
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Operation | 250 V | 7620 | — | 75 | 9.85 mA |
Application Notes
The A3064 will replace the CV138, CV4014 and Z77 in most applications. Designed for applications where long life and close control of characteristics are required.
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