• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Help with ECF80 spice model

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I've got some trouble to turn those lines into a working LTspice model :

* ecf80t macro model
.subckt ecf80t P G K
koren8(0.08514807115,0.02125688214,2.432606355,18.12988992,-515.1539346,47.41376622,32.41199296,1.230822006)
.ends ecf80t


* ecf80t CircuitMaker model
.subckt ecf80t P G K
Bp P K I=(0.08514807115/1.0e3)*uramp(V(P,K)*ln(1.0+(0.02125688214)+exp((2.432606355)+(2.432606355)*((18.12988992)+(-515.1539346/1.0e3)*V(G,K))*V(G,K)/sqrt((47.41376622)^2+(V(P,K)-(32.41199296))^2)))/(2.432606355))^(1.230822006)
.ends ecf80t

Could someone explain me how to proceed ? Thanks a lot :)

Btw, this model has been given by Bembel here : http://www.diyaudio.com/forums/showthread.php?s=&threadid=89375
 
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