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Jfet IV with regulator pcb for sale

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spencer

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Joined 2004
fetaudio.com
#1
This post was lost!

I have some silver mica 2700pf for use to replace C1 and C2 in the Jfet IV board. Interested can write to me.
 

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#13
jfet IV stage completed!

After working on the jfet stage on and off for two weeks, it is finally completed and integrated within my DAC.

I used 2 x matched 2SK170BL as provided by Spencer for each i/v board. I set the current source at the bottom at 4mA, the higher side of the recommended range of 2mA - 4mA. I didn't experiment 2 vs 1 2sk170 for the input device as I don't have the spare time to try out the different options for the input device but, to my ears, 2 x sk170 already sounds pretty good. I bet it will be even better once the boards are fully burned-in.

Thanks Spencer for your advice you had provided when I was doing the mod project!

Moe
 
#16
Yes I think you have rigth 😉 😉

But in the box with your solution I have 4 PCB.

MY box is little and if is possible to have 2 PCB I take this solution

If is not possible I take 4 pcb and I re make a box 🙂 🙂

Sorry for my poor english

Thx

Matthias
 
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