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Psvane KT88 Vacuum Tube Kit Replacing EH Gold Lion JJ High Durability

    Buy cheap Psvane KT88 Vacuum Tube Kit Replacing EH Gold Lion JJ High Durability from wholesalers
     
    Buy cheap Psvane KT88 Vacuum Tube Kit Replacing EH Gold Lion JJ High Durability from wholesalers
    • Buy cheap Psvane KT88 Vacuum Tube Kit Replacing EH Gold Lion JJ High Durability from wholesalers

    Psvane KT88 Vacuum Tube Kit Replacing EH Gold Lion JJ High Durability

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    Brand Name : PSVANE
    Model Number : HIFI KT88
    Certification : Rhos
    Price : Negotiable
    Payment Terms : Paypal, T/T, Western Union
    Supply Ability : 1000pcs/month
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    Psvane KT88 Vacuum Tube Kit Replacing EH Gold Lion JJ High Durability

    Matched Quad Psvane KT88 HiFi Vacuum Tubes Replace EH Gold Lion JJ SVETLANA KT88 KT88-98


    KT88

    Hi-Fi Series: classic style, exquisite craft, comprehensive and balanced sound performance, largest sales volume over the world, best choice for you .




    KT88
    KT88 is a beam power tetreode, its anode limited dissipation power is 42W. In the audio amplifier, the power can be 100W when it is used as push-pull class AB1 with double tubes, it can also be used in electronic voltage regulator circuit. KT88 is similar with CV5220 and 6550,they can be replaced by each other.

    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








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