Firstwatt F1J

Nice work Adason! You might participate in the GB just because Wg45 ordered like 1000 of these TO-247 IMS adapter PCBs for the LD1014D or LU1014D.

953092d1621440649-lovoltech-lu1014-power-jfet-buy-lu1014d-to247-adapter-heatsink-01-jpg


They really do make using the LU’s easier. I use the crimp sockets from a Molex MiniFit Jr connector to slip over those big header pins.
 

adason

Member
Paid Member
2004-11-10 8:31 pm
Maryland
Nice work Adason! You might participate in the GB just because Wg45 ordered like 1000 of these TO-247 IMS adapter PCBs for the LD1014D or LU1014D.



They really do make using the LU’s easier. I use the crimp sockets from a Molex MiniFit Jr connector to slip over those big header pins.

I know about the GB, its just that getting two jfets and four adapters did not make much sense to me
one needs four of each for F1J
plus it looks too professional :)
 

vitalica

Member
Paid Member
2005-02-27 8:07 am
I finished another F1J SS120R100A amplifier, and I would like to use Toshiba 2sj 618 transistors instead of Q3-Q4 IRF9240, and use 2sk3497 instead of Q7. Should I make any changes to the resistor values for this case?
And one more question. If the preamplifier has no DC voltage at the output, can capacitor C1-C2 (10MkF) be removed?
Thanks a lot !
 

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