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: 12AU7 (USA), ECC82 (Europe)
- Base: B9A (Noval) – 9-pin miniature
- Heater Voltage (Uf): 6.3V (300 mA) or 12.6V (150 mA)
- Amplification Factor (μ): 17
- Typical Plate Voltage (Ua): 250V (maximum 300V)
- Typical Plate Current (Ia): 10.5 mA
- Plate Resistance (Ri): 7.7 kΩ
- Transconductance (S): 2.2 mA/V
- Maximum Plate Dissipation (Wa): ≤ 2.75 W per triode
- Maximum Cathode Current (Ik): ≤ 20 mA
- Grid Circuit Resistance (Rg): 1 MΩ
- Typical Grid Voltage (Ug): -8.5 V (minimum -50 V)
- Heater-to-Cathode Voltage (Uk/f): ≤ 180 V
- Heater-to-Cathode Resistance (Rk/f): 150 kΩ
Top FAQs
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
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.
What time do you open?
We are open for business Mon – Fri 10.00 am till 7.00 pm, excluding public holidays