The Essential Guide to the 12b4 Tube Datasheet
The 12b4 Tube Datasheet is essentially the instruction manual for this specific vacuum tube. It's a technical document compiled by the manufacturer that details the tube's electrical characteristics, physical dimensions, operating parameters, and recommended usage. Think of it as the blueprint that engineers and hobbyists rely on to ensure they are using the 12b4 correctly and safely. Without this information, guesswork would be involved, potentially leading to damaged equipment or suboptimal performance. These datasheets are indispensable for a variety of applications. In the realm of high-fidelity audio, the 12b4 is often found in preamplifiers and driver stages where its unique sonic qualities are highly prized. For these users, the datasheet provides crucial details such as:- Filament voltage and current requirements
- Plate voltage and current limits
- Grid bias recommendations
- Amplification factor (mu)
- Transconductance (gm)
- Interelectrode capacitances
| Parameter | Typical Value | Unit |
|---|---|---|
| Filament Voltage | 12.6 | V |
| Plate Voltage | 250 | V |
| Grid Bias | -10 | V |