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Psvane 845B Stereo Vacuum Tubes For HIFI Diy Tube Amplifier Stable Performance

    Buy cheap Psvane 845B Stereo Vacuum Tubes For HIFI Diy Tube Amplifier Stable Performance from wholesalers
     
    Buy cheap Psvane 845B Stereo Vacuum Tubes For HIFI Diy Tube Amplifier Stable Performance from wholesalers
    • Buy cheap Psvane 845B Stereo Vacuum Tubes For HIFI Diy Tube Amplifier Stable Performance from wholesalers

    Psvane 845B Stereo Vacuum Tubes For HIFI Diy Tube Amplifier Stable Performance

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    Brand Name : PSVANE
    Model Number : HIFI 845
    Certification : Rhos
    Price : Negotiable
    Payment Terms : Paypal, T/T, Western Union
    Supply Ability : 1000pcs/month
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    Psvane 845B Stereo Vacuum Tubes For HIFI Diy Tube Amplifier Stable Performance

    Matched Pair Psvane 845B HiFi series Vacuum Tubes for HIFI diy tube amplifier Stereo Vacuum Tubes


    845B

    845B is direct-heated type thorium tungsten cathode triode, which can be used as class A1 and AB1 amplification.

    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




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