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50pcs 6A7 (6SA7 6SB7 5961 6A7) New NOS Same Dates HEPTODE SOVIET TUBES
50pcs 6A7 (6SA7 6SB7 5961 6A7) New NOS Same Dates HEPTODE SOVIET TUBES
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€60,00 EUR
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6A7 VINTAGE SOVIET METAL HEPTODE ELECTRON TUBE NOS = 6SA7
50 pcs SAME dates all NOS
Heptode 6A7 is designed for frequency conversion.
It is used in superheterodyne receivers and network power measuring equipment.
Indirectly heated oxide cathode.
Works in any position.
Available in metal design.
Service life of at least 500 hours.
Main technical characteristics of 6A7:
• Filament voltage..... 6.3 ±0.6 V
• Filament current..... 300 ±25 mA
• Nominal anode voltage..... 250 V
• Anode voltage limit..... 330 V
• Anode current..... 3.5 ±1 mA
• Cathode current limit..... 15.5 mA
• First grid current..... 0.51 ±0.13 mA
• The voltage of the second and fourth grids is nominal..... 100 V
• The voltage of the second and fourth grids is maximum..... 110 V
• Current of the second and fourth grids..... 9 ±2.5 mA
• Voltage of the third and fifth grids..... 0 V
• Reverse grid current of the third..... 2 µA
• Power dissipated by the anode, maximum..... 1.1 W
• Power dissipated by grids 2 and 4, maximum..... 1.3 W
• The maximum voltage between the cathode and the heater is..... 100 V
• Conversion slope..... 450 ±150 µA/V
• Local oscillator characteristic slope..... 4.7 ±1.2 mA/V
• Internal resistance..... 0.3 MOhm
• Input capacitance..... 9.5 ±1.9 pF
• Output capacitance..... 7 ±3.6 pF
• Pass-through capacitance..... 0.13 pF
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Import duties, taxes and chargers 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.
Combine shipping is accepted.
If you need less or more items of this type, or if you need add some other items, contact us, and we will make special listing for you.
Give us the list of items you need, and we'll do the rest.
We have many other vacuum tubes for audio and other, ask us if you need any of them.
Items are shipped from Lithuania Post (Europe Union) via expedited International tracking.
Returns
We guarantee you complete satisfaction with all our high quality products.
If you receive an item you did not order, or if an item you ordered is received damaged or defective, we will refund you the price you paid for it or replace it with identical one.
The item should come to the above address within 30 days after you received it.
After 30 days we will no longer be responsible and the item won't be taken back.
Item for returning must have the original tags and packing, otherwise it won't be accepted.
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