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
How long should I wait to receive my item?
It normally takes us between 3-4 days to process an order, but due to the Christmas season it could take 1-2 weeks. You will receive an email confirming your purchase, then our delivery men will contact you via phone to make a delivery appointment with you.
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
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.