GB "long and skinny" FirstWatt J2 clone PCBs

[JeffYoung]

Hi Gary,

I'm not a big believer in "burn in". However, there may be more difference when I listen to them in a better system (my test system is an old NAD CD player and the preamp half of a NAD 302 into old Gale 4 speakers).

I used 3.3mA + 3.5mA (8.6mA) 2SK170s on one channel and 4.1mA + 4.5mA (8.6mA) on the other. The 2SJ109s were 7.4, 7.6, 8.0 and 8.0mA.

Cheers,
Jeff.

 

[JeffYoung]

You're on, Dennis! You can ship them however you please. 😉

Did you have a board house in mind? (Or more importantly, do they accept Kicad files or do I need to generate Gerbers?)

Cheers,
Jeff.

 

[JeffYoung]

I don't know if Dennis will want to open a new thread or just continue to use this one, but here's the list as of now:

Malvin 1 set
pfisla 2 sets
Myint67 1set
twitchie 1 set
gig 1 set
flamethrower1 1 set
necplusultra 1 set
vvs07 2 sets
Dr.Strangelove3 1 set
WBS ???
malisz ???
dieter12 2 sets
Fabian85 ???
Scott Stansbury - 1 set
pistollero - 2 set
nashbap 1set
mlwebb 1 set
Ibuell 1 set
Gnub 2 sets
Spades 1 set
RustySanwa 2 sets
Rodeodave 1 set
kevinheem 1 set
Soundslave 1set

(The folks with ??? are from the first GB that I never heard back from, so I don't know what their current interest level is.)

 

[Dennis Hui]

The board house I used before needs Gerbers.

Thanks,
Dennis

 

[JeffYoung]

Kicad files & Gerbers.

(Note that the Gerbers could probably use double-checking as I didn't use them.)

 

[carsten.witt]

Jeff,
for EU I think I can do it also, but please let me take a look on the list how many EU friends are from the Eu (in the next days).

 

[leejh]

Malvin 1 set
pfisla 2 sets
Myint67 1set
twitchie 1 set
gig 1 set
flamethrower1 1 set
necplusultra 1 set
vvs07 2 sets
Dr.Strangelove3 1 set
WBS ???
malisz ???
dieter12 2 sets
Fabian85 ???
Scott Stansbury - 1 set
pistollero - 2 set
nashbap 1set
mlwebb 1 set
Ibuell 1 set
Gnub 2 sets
Spades 1 set
RustySanwa 2 sets
Rodeodave 1 set
kevinheem 1 set
Soundslave 1set
leejh 1set

 

[hifibluedevil]

Jeff,
for EU I think I can do it also, but please let me take a look on the list how many EU friends are from the Eu (in the next days).

as a side note: It would have been nice if US/North American diyers were also included in the F3 long and skinny board group buy🙁

 

[feds27]

Malvin 1 set
pfisla 2 sets
Myint67 1set
twitchie 1 set
gig 1 set
flamethrower1 1 set
necplusultra 1 set
vvs07 2 sets
Dr.Strangelove3 1 set
WBS ???
malisz ???
dieter12 2 sets
Fabian85 ???
Scott Stansbury - 1 set
pistollero - 2 set
nashbap 1set
mlwebb 1 set
Ibuell 1 set
Gnub 2 sets
Spades 1 set
RustySanwa 2 sets
Rodeodave 1 set
kevinheem 1 set
Soundslave 1set
leejh 1set
Feds27 1set

 

[JeffYoung]

as a side note: It would have been nice if US/North American diyers were also included in the F3 long and skinny board group buy🙁

I still have the Gerbers, and I'll bet Nelson still has JFETS if anyone would like to organize a North America run....

 

[carsten.witt]

@JeffYoung,
thanks for sharing the J2 gerbers!

 

[mattattnet]

Please add me to the North America List.



Malvin 1 set
pfisla 2 sets
Myint67 1set
twitchie 1 set
gig 1 set
flamethrower1 1 set
necplusultra 1 set
vvs07 2 sets
Dr.Strangelove3 1 set
WBS ???
malisz ???
dieter12 2 sets
Fabian85 ???
Scott Stansbury - 1 set
pistollero - 2 set
nashbap 1set
mlwebb 1 set
Ibuell 1 set
Gnub 2 sets
Spades 1 set
RustySanwa 2 sets
Rodeodave 1 set
kevinheem 1 set
Soundslave 1set
mattattnet 1 set



Thanks,
Matt

 

[JeffYoung]

North America & RoW
------------
Malvin 1 set
kevinheem 1 set
Soundslave 1set
mattattnet 1 set
Myint67 1set
twitchie 1 set
flamethrower1 1 set
necplusultra 1 set
vvs07 2 sets
WBS ???
Scott Stansbury - 1 set
nashbap 1set
mlwebb 1 set
Gnub 2 sets


EU
------------
pfisla 2 sets
gig 1 set
Dr.Strangelove3 1 set
malisz ???
dieter12 2 sets
pistollero - 2 set
Spades 1 set
Rodeodave 1 set


Unknown
------------
RustySanwa 2 sets
Ibuell 1 set

 

[bologna1]

North America & RoW
------------
Malvin 1 set
kevinheem 1 set
Soundslave 1set
mattattnet 1 set
Myint67 1set
twitchie 1 set
flamethrower1 1 set
necplusultra 1 set
vvs07 2 sets
WBS ???
Scott Stansbury - 1 set
nashbap 1set
mlwebb 1 set
Gnub 2 sets
bologna1 1 set



EU
------------
pfisla 2 sets
gig 1 set
Dr.Strangelove3 1 set
malisz ???
dieter12 2 sets
pistollero - 2 set
Spades 1 set
Rodeodave 1 set


Unknown
------------
RustySanwa 2 sets
Ibuell 1 set

 

[feds27]

North America & RoW
------------
Malvin 1 set
kevinheem 1 set
Soundslave 1set
mattattnet 1 set
Myint67 1set
twitchie 1 set
flamethrower1 1 set
necplusultra 1 set
vvs07 2 sets
WBS ???
Scott Stansbury - 1 set
nashbap 1set
mlwebb 1 set
Gnub 2 sets
Feds27 1 set (see page 21)
bologna1 1 set



EU
------------
pfisla 2 sets
gig 1 set
Dr.Strangelove3 1 set
malisz ???
dieter12 2 sets
pistollero - 2 set
Spades 1 set
Rodeodave 1 set


Unknown
------------
RustySanwa 2 sets
Ibuell 1 set

 

[leejh]

North America & RoW
------------
Malvin 1 set
kevinheem 1 set
Soundslave 1set
mattattnet 1 set
Myint67 1set
twitchie 1 set
flamethrower1 1 set
necplusultra 1 set
vvs07 2 sets
WBS ???
Scott Stansbury - 1 set
nashbap 1set
mlwebb 1 set
Gnub 2 sets
Feds27 1 set (see page 21)
bologna1 1 set
leejh 1 set



EU
------------
pfisla 2 sets
gig 1 set
Dr.Strangelove3 1 set
malisz ???
dieter12 2 sets
pistollero - 2 set
Spades 1 set
Rodeodave 1 set


Unknown
------------
RustySanwa 2 sets
Ibuell 1 set
Report Post

 

[MEPER]

North America & RoW
------------
Malvin 1 set
kevinheem 1 set
Soundslave 1set
mattattnet 1 set
Myint67 1set
twitchie 1 set
flamethrower1 1 set
necplusultra 1 set
vvs07 2 sets
WBS ???
Scott Stansbury - 1 set
nashbap 1set
mlwebb 1 set
Gnub 2 sets
Feds27 1 set (see page 21)
bologna1 1 set
leejh 1 set



EU
------------
pfisla 2 sets
gig 1 set
Dr.Strangelove3 1 set
malisz ???
dieter12 2 sets
pistollero - 2 set
Spades 1 set
Rodeodave 1 set
MEPER 2 sets


Unknown
------------
RustySanwa 2 sets
Ibuell 1 set
Report Post

 

[JeffYoung]

BTW, for any of you looking for a PSU board, I noticed that @rhthatcher is selling some decoupled stereo (a.k.a. FirstWatt F7 clone) PSU boards.

Alternate First Watt Dual Rail / Decoupled Stereo PSU PCBs

(This is the same board design I used in my build.)

 

[iBuell]

North America & RoW
------------
Malvin 1 set
kevinheem 1 set
Soundslave 1set
mattattnet 1 set
Myint67 1set
twitchie 1 set
flamethrower1 1 set
necplusultra 1 set
vvs07 2 sets
WBS ???
Scott Stansbury - 1 set
nashbap 1set
mlwebb 1 set
Gnub 2 sets
Feds27 1 set (see page 21)
bologna1 1 set
leejh 1 set



EU
------------
pfisla 2 sets
gig 1 set
Dr.Strangelove3 1 set
malisz ???
dieter12 2 sets
pistollero - 2 set
Spades 1 set
Rodeodave 1 set
MEPER 2 sets
iBuell 1 set


Unknown
------------
RustySanwa 2 sets
Report Post

 

[Dennis Hui]

I did some back of the envelope calculations. I expect we're looking at under $25CAD
including shipping (no tracking) for a pair of boards.

Thanks,
Dennis