You don't need to custum duty. The current of the 1st grid is reversed. is not more than 20 mA. The current of the 2nd grid. is not more than 360 mA. The current of the 2nd grid (at Ua = 250 V, Uc = 0).
6F3Pis Soviet analogue of ECL82 / 6BM8. Cathode type: oxide, indirect heating. Resistance in cathode circuit, Om: 680. All our tubes tested by soviet military tester L3-3 or IL-14. Mass, g: 20. Application: LF amplification and in TV scan modules.
INTERNATIONAL SHIPPING IS AVAILABLE TO MANY COUNTRIES. Please ask for a quote BEFORE BIDDING AND PAYING and I can invoice you to complete the transaction, if not available through Ebay. ECC83/12AX7 Psvane Classic Series audiophile guitar amp tubes (2) pcs TWO per lot.(USA STOCK!!) Balanced, accurate tone. These are tested before shipment. Psvane is known worldwide for their advanced designs and high quality construction resulting in some of the best sounding tubes you will find! US seller who tests them here! Seller is not responsible for the use of or inability to use the products. Hazardous materials and conditions may exist. Buyer shall exercise due care and due diligence. We will provide a shipping discount on multiple purchases on 2 or more listings on in stock items for USA shipping. You can inquire prior to buying or we will refund part of the shipping as a discount after purchase.
The Russian generator tetrode GU-78B is designed to amplify high-frequency oscillations at frequencies up to 250MHz with an output power of at least 2.5kW. GU-78B is used for power amplification in amplifiers with distributed amplification and single-sideband signal.
Tube Number: 12AU7. Tubes were tested on an Amplitrex AT1000.
Nice single Shuguang 6L6WGB power vacuum tube Tests as new on my TV-7A/U Tester Great sounding 6L6WGB Made in China Selling as-is/as-tested Enjoy!
All tubes available are shown in photos.
Linlai matched Pair zx2A3 Free shipping Full Guarantee