Description

1 Matched Pair Psvane 805A Vacuum Tube for Audio Amp 1pair Linlai 805A 805A is directly-heated type cathode triode, used as class A1. In audio amplifier it suits for the condition that the output power is 10W. 1 Matched Pair Psvane 805A Vacuum Tube for Audio Amp PSVANE 805A Vacuum Tube 1 Matched Pair Psvane 805A Vacuum Tube for Audio Amp 1pair PSVANE 805A 805A is direct-heated type thorium tungsten cathode triode, can be used as class B, A-F, and R-F power amplification, class C R-F power amplification and high frequency oscillation. Heater Uf--------------------------------------10 V If---------------------------------------3.25 A Direct Interelectrode Capacitances input----------------------------------8.5 PF output----------------------------------10.5 PF grid to plate---------------------------------6.5 PF Maximum Rating Ua---------------------------------1500 V Pa-----------------------------125 W Recommended Operating Conditions (reference value) class B(A-F) for two tubes typical working condition limited parameter Ua------------------ 1250 1500 1250 V Ia (mAx.sig per tube)------------------- 210 mA Pa (in) (mAx.sig per tube)--------------- 315 W Pa (per t ---------------------------- 125 W Ug----------------------------------—16 V Ug(pk)----------------235 280 V Ia (0)-----------------148 84 mA Ia （ mAx.sig ） ----------500 600 mA Pd(mAx.sig)------------6 7 W RL(a—a)---------------6.7 8.2 KΩ Pout(mAx.sig)-----------300 370 W class B(R-F) ： Carrier conditions the biggest modulation coefficient is 1 per tube typical working condition limited parameter Ua------------------ 1250 1500 1500 V Ug----------------------------------—10 V Ia -------------------135 115 150 mA Pa (in) ------------------------------185 W Pa ---------------------------------125 W Ug(pk)----------------70 70 V Ig -------------------15 15 mA Pd-------------------11 7.5 W Pout------------------55 57.5 W ROHS Compliant Good quality tubes Test and selected by factory 3months quality warranty from date of receipt. 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