TJ Fullmusic PX25/n Vintage Vacuum Tube 2PCS Factory matched pair, US $70 – Picture 0

TJ Fullmusic PX25/n Vintage Vacuum Tube 2PCS Factory matched pair, US $70 – Picture 1

Tj Fullmusic Px25/n Vintage Vacuum Tube 2pcs Factory Matched Pair

US $70

GUANGDONG, China
Oct 31st

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2PCS TJ Fullmusic PX25/n Vintage Vacuum Tube Description Brand new matched pair TJ fullmusic vacuum tube Item No.: PX25/n Mesh Plate,gold plated pins Quantity: 1 matched pair (factory test&match) Dome-type bulb of glass, a white ceramic base with four-prong bayonet golden pins, oxide coated filamentary, mesh plate or carbon plate triode. Application -Audio frequency amplifier where power outputs of approximately 10 watts or less is required at relatively low plate voltages. Nominal operating conditions and parameters Filament voltage* ………………………………………………………… 4.0V or 5.0V Nominal filament current ………………………………………………… 2A or 1.6A Plate voltage ………………………………………………………………… 400V Grid voltage** ……………………………………………………………… -30V Plate current ………………………………………………………………… 62.5mA Impedance ……………………………………………………………………1265 ohms Amplification factor …………………………………………………………… 9.5 Mutual Conductance ………………………………………………………… 7.5 mA/V Grid current …………………………………………………………………… 0.05 μA *Alternating-current filament supply or Direct-current filament supply. **Alternating-current filament supply is used. The grid and plate returns should be connected to a center tap on the secondary of the filament transformer. Direct-current filament supply is used. The grid and platter returns are connected to the negative end of the filament. Measured at Va=100; Vg=0 Characteristics-Average characteristics Figure 3. shown typical curves of plate currents of grid voltage for several values of plate voltages. It is alternating-current filament supply. Limiting Operation Conditions for Safe Nor simultaneous ratings Maximum plate voltage ………………………………………………… 500 volts Maximum plate dissipation …………………………………………… 30 watts Payment We only accept PayPal and the order begins processing once payment has cleared. Delivery details 1:We ship Items to USA Russia by China Post E-Packet; 7-15 work days 2:Normally, we ship items by AIR REGISTERED MAIL OR CHINA POST AIRMAIL: 10-25 work days to worldwide. *If you need faster shipping service, please select such as DHL,UPS,EMS,FeDex etc. (the shipping cost is based on weight/Dimension weight of your orders) All delivery are with Tracking Number 3:Most orders are delivered within the stated handling time at the time of purchase once payment has cleared. Handling time is usually around 2 business days. *China Post E-Packet,HK POST AIR REGISTERED MAIL O: is only for standard Worldwide orders (package must be less than 2 KG). *We choose other shipping (package Greater than 2 KG) *Some items may have an extended handling time due to preorders, backorders, etc. Please check your items before purchase. Terms of sales 1. We will put legal effort to minimize any GST or V.A.T. or other Import Taxes. However, any tax/duty would be excluded from the price. Please afford V.A.T or GST yourself 2. We warmly appreciate your positive feedback, and we will leave positive feedback to you as we complete transaction 3.Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding/buying 4. We ship to PayPal registered address. Please provide your full name & correct address in details in PayPal. A telephone Number may help more accurate delivery 5. We promise each item would be shipped, However, some times, less than 0.5% of packages might be lost on the way, For these items,we'd like to resend the same item or fully refund 6. We warmly appreciate your positive feedback, and we will leave positive feedback to you as we complete transactions About us We sell vacuum tubes Tube sockets Amplifier feet Connectors & Terminals Wire Metal Enclosures etc. Contact us We value our customers very much, so, for any questions or problem, please feel free to contact us by E-mail or eBay Message tool, we are always here offering service to you We will reply all of your messages ASAP! We are always here to offer service to you.