Details
Electro-Harmonix tubes are all new designs and are of excellent quality. Many OEMs use relabeled Electro-Harmonix vacuum tubes in their amplifiers. If you want great sounding tubes at a very reasonable price, then Electro-Harmonix tubes should be on your list.
Features
- Type: Miniature pentode vacuum tube
- Designation: EF86EH (Electro-Harmonix)
- Base: B9A (Noval) – 9-pin miniature
- Heater Voltage (Uf): 6.3V (300 mA)
- Heater Current (If): 200 mA
- Plate Voltage (Ua): 250V (maximum 300V)
- Screen Voltage (Vs): 140V
- Plate Current (Ia): 2.6–3.8 mA
- Screen Current (Is): 0.45–0.75 mA
- Transconductance (gm): 1.6–2.4 mA/V
- Plate Dissipation (Pa): ≤ 1.0 W
- Screen Dissipation (Ps): ≤ 0.2 W
- Cathode-to-Heater Voltage (Uk/f): ±100V
- Grid-to-Plate Voltage (Ug2/Ua): ≤ 0.5
- Grid-to-Cathode Voltage (Ug1/Uc): ≤ 50V
- Grid Circuit Resistance (Rg): 3 MΩ
- Cathode Resistance (Rc): 500 Ω
- Envelope Temperature: ≤ 170°C
Top FAQs
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.
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.
Where are you?
We are in Valletta Road, Mosta. Same street as Pama shopping centre, in front of the football ground