Details
JJ Electronic tubes deliver solid performance with consistent quality and rich harmonic response. JJ Electronic tubes are the choice for amp manufacturers and listeners looking for quality European pedigree and tonality.
Features
- Type: Miniature dual triode vacuum tube
- Designation: 12AT7 (USA), ECC81 (Europe)
- Base: B9A (Noval) – 9-pin miniature
- Heater Voltage (Uf): 6.3V (300 mA) or 12.6V (150 mA)
- Amplification Factor (μ): 60
- Typical Plate Voltage (Ua): 250V (maximum 300V)
- Typical Plate Current (Ia): 10 mA
- Plate Resistance (Ri): 11 kΩ
- Transconductance (S): 5.5 mA/V
- Maximum Plate Dissipation (Wa): ≤ 2.5 W per triode
- Maximum Cathode Current (Ik): ≤ 15 mA
- Grid Circuit Resistance (Rg): 1 MΩ
- Typical Grid Voltage (Ug): -2 V (minimum -50 V)
- Heater-to-Cathode Voltage (Uk/f): ≤ 90 V
Top FAQs
Crap, this isn’t what I ordered. Now what?
Worry not fellow musician. We’ve got your ass covered. Let us know and we’ll replace it immediately.
Do you open on Saturdays and Sundays?
Unfortunately not. We value our beauty sleep and need to recharge for the next Monday 🙂
What if a product is not in stock after I ordered?
If the product you have ordered is currently out of stock we will contact you by phone and email and give you an estimated time of arrival.