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Firstwatt F3 clone PCB

F3 PCB mounting holes -Universal vs previous F2j pattern

  • Universal mounting specs from DIY audio store

    Votes: 4 66.7%

  • Mounting specs of my F2j PCB

    Votes: 2 33.3%
  • Total voters
    6
  • Poll closed .
Jump to Latest
chromenuts

chromenuts

Member
Joined 2008
Paid Member
sorenb said:
I have collected the interest expressed in the thread. Mostly from March, so people might like to confirm if they are still interested.
As far as I can see there are basis for at lest 20 sets.

the spreadsheet can be found here: here
Click to expand...

Is this an arrangement for EU delivery only?...I’ve expressed interest in Kinku’s F3 board proposal since the subject came up...I do have other projects, but would still like boards to try the F3 eventually considering papa gave us the Lovoltech jfets for free. I tried to access sign up spreadsheet, but google says no.
 
S

sorenb

Member
Joined 2010
chromenuts said:
Is this an arrangement for EU delivery only?...I’ve expressed interest in Kinku’s F3 board proposal since the subject came up...I do have other projects, but would still like boards to try the F3 eventually considering papa gave us the Lovoltech jfets for free. I tried to access sign up spreadsheet, but google says no.
Click to expand...

As Kinku has decided not to provide a layout, the F3 PCB will be based on the layout JP has done, if approved by people.

Please try update the sheet again. Thanks.
 
K

kinku

Member
Joined 2013
Will see how it turn out, but first will wait for the first draft of design to be available. Seems like people who design complex boards takes more time on simple ones��.
I just saw the left channel and it look good.
I am thinking to go with mounting holes on the locations that I used on F2j. In between someone asked for Universal mounting pattern. I will start a poll to see which way to go. It will be open for 7 days.
 
Last edited:
chromenuts

chromenuts

Member
Joined 2008
Paid Member
Nice to see things rolling again Kinku. I’m getting ready to get back into my F2J build as I finally finished sorting through my tonearm build and got everything working for my MC carts. I’ve been in for two sets of the F3 and PS boards since you mentioned the possibility.

@Carsten...nice avatar, I miss my ‘75 2002 horribly now for years...my first true love
 
K

kinku

Member
Joined 2013
I don’t think I gave an estimate on how much it costs to make. Main cost is the fee for designing. I can’t make any promises but it will be close to 50$ per person without shipping to make it viable. I will soon have a layout.
I am trying to fit this in 4U chassis from diyaudio store. Anything above is too much and below might be too little for heat dissipation and components lay out.
 
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