Details
Preamp Tube
Features
- Type: Miniature dual triode vacuum tube
- Designation: 12AT7 (USA), ECC81 (Europe)
- Base: B9A (Noval) – 9-pin miniature
- Heater Voltage: 6.3V (300 mA) or 12.6V (150 mA)
- Amplification Factor (μ): 60
- Typical Plate Voltage (Va): 250V
- Typical Plate Current (Ia): 10 mA
- Plate Resistance (Ra): Approximately 10,900 Ω
- Transconductance (gm): Approximately 5.5 mA/V
- Maximum Plate Dissipation: 2.5 W per triode
- Maximum Plate Voltage: 300V
- Maximum Cathode-to-Heater Voltage: 90V
- Application Frequency Range: Up to 300 MHz
- Typical Applications: RF amplifier, oscillator, mixer, audio driver, phase inverter
Top FAQs
Can I have it delivered?
Not a problem at all. Any order over a €100.00 qualifies for free delivery anywhere in Malta and Gozo. Any order below that can also be delivered against a fee of €10.00
How can I pay?
You can pay through Credit Card
Where are you?
We are in Valletta Road, Mosta. Same street as Pama shopping centre, in front of the football ground