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Brand New Psvane HiFi KT88 Vacuum Tube The Price is for 1quad ( 4pcs matched by original factory) 1pair PSVANE Hifi KT88/C Vacuum Tube Replace 6550 KT88 For Hifi Audio AMP DIY Brand New Psvane HiFi KT88 Vacuum Tube The Price is for 1quad ( 4pcs matched by original factory) Heater UH………… 6.3 V IH………… 1.6 A Maximum Rating ------------- --KT94 KT100 KT94 KT100 Ua……………… 800 800 800 800 V Ug2………… 600 600 600 600 V Ug1…………-200 -200 -200 -200 V Pa………… 42 45 35 40 W Pg2…… 8 8 6 6 W Pa+g2… 46 49 40 45 W Ik……………… 230 230 230 230 mA Uh-k……… 200 200 250 250 V Tbulb……………… 250 250 250 250 C Rg1 with cathode bias --- ---Pa + Pg2≤ 35W 0.47 MΩ --- ---Pa +Pg2 > 35W 0.27 MΩ with fixed bias --- ---Pa +Pg2≤35W 0.22 MΩ --- ---Pa +Pg2> 35W 0.10 MΩ Direct Interelectrode Capacitances --- - - --triode connection and tetrode connection input……… 16--- -9.3 PF output……… 12 --- -17 PF grid to plate……… 1.2 ----7.9 P Static parameter tetrode connection Ua…………………250V Ug2……………… 250V a………………… 140mA Ig2(approx)…… 3mA -Ug1(approx)……15V Gm………………… 12mA/V ri …………………12KΩ μg1-g2…………… 8 triode connection Ua.g2……………250V Ia+g2……………143mA -Ug1(approx)… 15V Gm…………………12mA/V ri…………………670Ω μ………………… 8 Series KT88 KT94 KT100 KT88-978 Recommended Operating Conditions（reference value) Push-pull.classAB1.cathode bias.triode connection. Ua.g2(b)………………400 485 V Ua.g2(O)………………349 422 V Ia+g2(0)………………2×76 2×94 mA Ig+Ig2(max.sig)……2×80 2×101mA RL(a-a)………………4 4 KΩ -Ug(approx)………… 40 50 V Pout………………… 17 31 W Dtot ……………… 1.5 1.5 % Pa.g2(0)…………… 2×26.5 2×40W Pa.g2(max.sig)……２×19 2×27 W Rk……………………2×525 2×525Ω ū（g1-g1.pk）…… 78 114 V Zout………………… 2 1.9 KΩ Push-pull.classAB1.cathode bias.tetrode connection. Ua(b)……………………560 V Ua(0)……………………521 V Ug2…………………… 300 V Ia(o)……………………2×64 mA Ia(max.sig)……………2×73 mA Ig2(0)…………………2×1.7 mA Ig2(max.sig)………… 2×9 mA RL(a-a)……………… 9 kΩ Rk……………………2×460 Ω -Ug1(approx)…………30 V Pout……………………50 W Dtot……………………3 % Pa(0) ………………2×33 W Pa(max.sig) ………2×28 W Pa2(0) ……………2×0.5 W Pg2(max.sig) ……2×0.7 W ?(g1-g1.pk) ………60 V KT100 Push-full.class AB1.fixed bias.ultra-linear connection. （40%tapping points） U a.g2(b)………………560 460 V Ua.g2(0)………………553 453 V Ia+g2(0)………………2ⅹ50 2ⅹ50mA Ia+g2(max.sig)…… 2ⅹ157 2ⅹ140mA RL（a-a）…………… 4.5 4 KΩ -Ug1(approx)…… 75 59 V Pout………………… 100 70 W Dtot ………………………2 2 % Pa+g2(0)………………2ⅹ27.5 2ⅹ27.5W Pa+g2(max.sig)………2ⅹ33 2ⅹ27 W ū（g1-g1.pk）…………140 114 V Zout…………………… 7 6.5 KΩ Push-full.class AB1.cathode bias.ultra-linear connection. (40% tapping points) Ua.g2(b) …………………500 375 V Ua.g2(0) …………………436 328 V Ia+g2(0) …………………2×87 2×87 mA Ia+g2(max.sig) …………2×99 2×96 mA RL(a-a) ………………… 6 5 kΩ Rk…………………………2×600 2×400 Ω -Ug1(approx) …………… 52 35 V Pout…………………………50 30 W Dtot……………………… 1.5 1.0 % Pa+g2(0) ………………2×38 2×28.5 W Pa+g2(max.sig) ……… 2×17 2×16 W ?(g1-g1.pk) …………… 104 71 V Zout……………………… 4.8 4.5 kΩ Push-full.class AB1.fixed bias.tetrode connection. Ua(b) ………………………560 V Ua(0) ………………………552 V Ug2 ……………………… 300 V Ia(0) ………………………2×60 mA Ia(max.sig) ………………2×145 mA Ig2(0) …………………… 2×1.7 mA RL(a-a) …………………… 4.5 kΩ -Ug1(approx) ………………34 V Pout…………………………100 W Dtot………………………… 2.5 % Pa(0) ………………………2×33 W Pa(max.sig) ………………2×28 W Pg2(0) ……………………2×0.5 W Pg2(max.sig) ……………2×4.5 W ?(g1-g1.pk) ……………… 67 V 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. 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