1 пара одинаковых выпрямительных клапанов LinLai 845-T трубка протестирована для аудиоусилителя

1 Matched Pair LinLai 845-T Rectifier Valve Tube Tested for Audio Amplifier One matched pair 845-T 845-T is direct-heated type thorium tungsten cathode triode, class A1 and AB1 Heater Uf—————————————10 V If—————————————-3.25 A Maximum Rating Ua———————————-1250 V Pa——————————-75 W Pout(max.sig)————————–150 W Ia(max)——————————120 mA; Direct Interelectrode Capacitances input———————————-6 PF output———————————-4.5 PF grid to plate———————————-14.5 PF Static parameter Ua————————————–1250 V —Ug————————————-200 V Ia—————————————80 mA Gm————————————–3 mA/V ri—————————————-1.7 KΩ u—————————————-5 RL—————————————3.4 KΩ Ug(pk)————————————69 V Pout————————————-15 W Recommended Operating Conditions（reference value class A1 .single tube ： Ua—–1000 1000 1250 V —Ug— 145 155 209 V RL—–6 9 16 KΩ Ia——90 65 52 mA Gm—–3.1 — — mA/V Ug(pk)–— 110 148 V ri——1.7 1.9 2.1 KΩ Pout—-24 21 24 W Push-pull.class AB1 ： Ua—————— 800 1000 1000 1250 V —Ug—————- 125 170 175 225 V RL—————— 4.5 4.6 4.6 6.6 KΩ Ia——————–80 70 40 40 mA Ug(pk)—————-177 240 — — V Ia（mAx.sig）———170 230 230 240 mA Pout—————-40 75 75 115 W ROHS Compliant Good quality tubes Test and selected by factory. 3months replacement warranty from date of receipt. Payment Delivery details Terms of sales About us Contact us Payment We accept payment through PayPal, please contact us before bidding. For purchasing multiple items, Please email us for a combined invoice . Generally we would like to receive payment within 48 hours if paying by PayPal. We will not ship items until payment is received / cleared. Thank you for your understanding. Delivery details Most items are shipped by postal REGISTERED airmail service within the next 24 hours after received payment. When you buy multiple items that close on the same day, your items will be shipped all together with. We ship worldwide. Terms of sales If as some reasons your parcel gets lost or damaged in shipping, we will offer a refund or re-ship your order. However, delivery times vary so please allow adequate time for your parcel to arrive before requesting a refund or replacement. Postal service estimates for delivery are as follows: International – normally 7 to 14 business days, but can be up to 25 days due to traffices or custom inspection,ect. Also some countries shipment is a little longer. Remark: Business days are Monday – Friday and do not include Holidays About us We mainly supply audio amplifier, tube amplifier, guitar amplifier kit and diy components. Contact us If you have any question, please contact via ebay message before leaving neutral, negative feedback or opening any dispute. We will reply you within 24hours, ensure help you solve the problem, make your satisfied. Our working time from 8AM to 18:00PM.