Соответствующая 1 пара вакуумной трубки PSVANE 6CA7-TII 6CA7 обновление клапана EL34 6CA7 EL34B

PSVANE 6CA7-TII Vacuum Tubes The Price is for 1pair Matched PSVANE HIFI 811A VACUUM TUBE PSVANE 6CA7-TII Vacuum Tubes The Price is for 1pair Matched TII-Series: Positioning in exceeding totally, not only exceed all the same types of productions that always been imitating on the market, but also to exceed itself. 6CA7-TII is high property audio output pentode, its anode limited dissipation power is 25W, the output power is over 10W when it is used as class A1 in amplifier single tube, and it is over 35W when it is used as class AB1 double tubes. 6CA7-TII is very similar with EL34, which can be replaced by each other. Heater UH……………………………6.3 V IH……………………………1.5 A Static Parameter Ua…………………………… 250 V Ug2……………………………250 V Ug3…………………………… 0 V -Ug1…………………………12.2 V Ia…………………………… 100 mA Gm…………………………… 11 mA/V ri…………………………… 15 kΩ μg1-g2………………………11 Maximum Rating Ua……………………… 800 V Ug2………………… 500 V Ug1………………… -100 V Pa………………… 25 W Pg2…………… 8 W Ik………………………150 mA Rg1 With cathode bias………………………0.7 MΩ With fixed bias……………………0.5 MΩ Uh-k ………………±100 V Tbulb………………………250 ℃ Direct Interelectrode Capacitances input…………………… 15.2 PF output…………………… 8.4 PF grid to plate…………………… 1.1 PF grid to filament……… 1.0 PF Cathode to filament…………… 10 PF Recommended Operating Conditions(reference value) class A1, singel tube, fixed bias Ua(b) …………………… 265 265 V Ua……………………………250 250 V Ug2……………………… Rg2=2k Rg2=0 Ug3……………………………0 0 V -Ug1……………………… 14.5 13.5 V Ia(0) ………………………70 100 mA Ig2(0) …………………… 10 14.9 mA Gm…………………………… 9 11 mA/V ri……………………………18 15 kΩ RL…………………………… 3 2 kΩ Pout………………………… 8 11 W Dtot…………………………10 10 % push-pull, class B1, fixed bias Ua……………………………375 400 V ▲Rg2………………………… 600 800 Ω Ug3………………………… 0 0 V -Ug1………………………… 33 36 V Ia(0) …………………2×30 2×30 mA Ia(maxsig) ………2×107.5 2×110.5 mA Ig2(0) ………………2×4.7 2×4.5 mA Ig2(maxsig) ………2×23.5 2×23 mA Rl(a-a) ………………3.5 3.5 kΩ ü(g1-g1)(r.M.S) ……… 46.7 50 V Pout……………………48 54 W Dtot……………………2.8 1.6 % ▲ Rg2is used in two tubes. push-pull, classB1, cathode bias, ultra-linear connection (43% tapping points) Ua………………………………430 V Rg2…………………………… 2×1 kΩ Ia(0) ………………………2×62.5 mA Ia(max.sig) ……………… 2×65 mA Ig2(0) ………………………2×10 mA Ig2(max.sig) …………… 2×10.2 mA Rk……………………………2×470 Ω ?(g1-g1)(r.M.S) ……………35 V RL(a-a) ……………………… 6 kΩ Pout……………………………20 W Dtot………………………… 0.35 % Payment Delivery details Terms of sales About us Thank you Payment We accept Paypal,Google Pay,VISA,Master Card,Amex,Discover. Delivery details 1.The item will be shipped to you in one or two bussiness days 2.Shipped to United States by SpeedPak ,the shipping time is about 7 to 12 bussiness days,And we also can shipped packages by DHL,UPS or Fedex but you need to pay Extra shipping Cost 3.Shipped to other countrys by China Post E-packet or Other Way ,the shipping time is about 12 to 25 bussiness days All of the shipping items are with tracking numbers Terms of sales The Delivery Schedules Location Delivery Time Working Days (excluded holiday) 5-7 8-11 12-14 15-19 20-22 >25 Working Days + Saturday + Sunday 5-9 10-15 16-20 21-25 26-30 >30 United States Rate (item arrived) 5 .1% 50.1% 29.6% 10.5% 4.7% Refund United Kingdom Rate (item arrived) 9.9% 63.2% 19.1% 3.4% 4.4% Refund Australia Rate (item arrived) 21.4% 50.0% 14.3% 7.2% 7.1% Refund France Rate (item arrived) 10.5% 28.6% 43.8% 10.1% 7.0% Refund Germany Rate (item arrived) 11.1% 22.2% 30.3% 20.9% 15.5% Refund Canada Rate (item arrived) 0.0% 47. 1% 31.4% 17.6% 3.9% Refund Spain Rate (item arrived) 3.5% 25.0% 47.9% 12.9% 10.7% Refund The price do not Include any import taxes or duty, so you need to pay the V.A.T or GST by yourself. We v alue our c ustomers very much .the positive feedback will be left when we upload tracking number to ebay shipping system. Please provide your accurate parcel mailing address to us,in order to shipping item arrive safely and correctly. If Y ou s atisfied w ith o ur p roducts and s ervice, leaving positive feedback is our honour,we appreciate you very much. Please feel free to contact us by ebay message if you have any problems for items or shipping. About us We are the professional seller for HiFi Audio Component, Quality assurance, buy with confidence . Thank you Thank you for visiting our store.