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
Where are you?
We are in Valletta Road, Mosta. Same street as Pama shopping centre, in front of the football ground
Can I order and pickup from the shop?
Yes of course. Just choose the “Shop Pickup” option during checkout and we will set aside your order and you can pick it up at your leisure.
Do you deliver during the weekends?
Unfortunately not. We all need our beauty sleep 😉
Our delivery times are Mon-Fri between 9.00 am and 3.30 pm excluding public holidays