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Old 15th May 2011, 05:01 PM   #1
EBA is offline EBA  France
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Default The best FIRST WATT amplifier for my systeme

I'm interested to build two Nelson amplifiers. I rote all the informations of his site and i consulted this forum.
I'am not shure that the best amplifier is . I want your help.
My chose : F1J

Treble : T925 A. 6860 Hz to ..... sensibility : 108 db Nelson amplifier ? actualy SE 300B Verdier.
Mid range : IWATA 2 " + Radian PB 950. 305 Hz to 6860 Hz. Sensiblity 111 db. Nelson amplifier ? Actualy SE 845
Bass : ONKEN 360 + B15EX EMSPEAKER. 25 Hz to 305 Hz. Sensibility : 100db. SE 845
Driver before the amplifiers : DCX2496 modified + diy preamp ( BUF04 + tranfo LUNDAL, 14 db and out imp 600 ohm and prépré with SK170GR).
I search a clear sound with a best fidelity of the source.
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Old 15th May 2011, 05:07 PM   #2
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I would pick an F2J for that.

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Old 15th May 2011, 05:30 PM   #3
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Thanks, I have undamentally the same system. It is indeed very tricky to pinpoint the right amp in the line of many, many derivatives. This helped on the further path.

Regards, Peter
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Old 16th May 2011, 06:30 PM   #4
EBA is offline EBA  France
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Thanks NELSON for your reply and congratulation for your very good work.
I search informations for your F2J and i'm not found anathing to build it. Have you published informations about it?
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Old 16th May 2011, 07:10 PM   #5
generg is offline generg  Germany
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http://www.firstwatt.com/pdf/prod_f2_man.pdf


FIRST WATT F2J


DIY F2 clone

First Watt F2 J-fet


Good luck!
__________________
and the First Wtt is......a really First Class PSS Idea
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Old 16th May 2011, 07:18 PM   #6
EBA is offline EBA  France
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Thanks generg,

I'm beguining to work for build a F2J.
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