The diyAudio Firstwatt F6

[Nelson Pass]

are IRFP150 good for F6?

What I would like to know is what happened to my immediate response to
this (which was yes).

Inquiring minds want to know! << should be in red like:

 

[labjr]

What I would like to know is what happened to my immediate response to
this (which was yes).

Inquiring minds want to know! << should be in red like:

Was it in the other F6 thread?

 

[flg]

Was your response actually:

Sure, no problem.

 

[Zen Mod]

What I would like to know is what happened to my immediate response to
this (which was yes).

Inquiring minds want to know! << should be in red like:

muahahahaha!

Was it in the other F6 thread?

Was your response actually:

precisely .

 

[PKI]

Sorry for the delay guys, will try to finish them asap.

 

[Marra]

Good to see. I think that you will really enjoy listening to this amp.

 

[cygnus x1]

Any update on when boards might be available?

 

[buzzforb]

my test board will be up and running tonight, most likley. If Jim and PKI have success, some minor changes will be made and then it is up to the store.

 

[rolandong]

I'm listening to F6 right now and all I can say... oh boy I'm getting addicted to this amp. Incredible details from this tiny little amp. So this was all the rush to using this tiny little transformer

Bunch of thanks to Nelson Pass for sharing this amp.

 

[buzzforb]

Boards are operational and working. Will confirm with Jim and PKI

 

[palstanturhin]

rolandong and buzzforb,

can you measure any kind of difference between the left and right channel PCBs?
Some scope shots could be nice...
20kHz squarewave full power resistive load or something???

 

[buzzforb]

Is there a reason behind the question.

 

[palstanturhin]

Is there a reason behind the question.

2 different PCBs.

 

[buzzforb]

I do not have a permanent working area. My lab is more mobile, so to speak, so setting up to test is time consuming. While I believe itnosnpossible that you at have a slight variation between the two sides due to slightly different layouts, I cannot imagine it would be great. If you have a specific concern about the layout, I would think pointing that out would open it for discussion and those with more layout experience would be able to discuss the potential problems that may arise from the concern.

 

[Zen Mod]

not relevant in this case

it isn't stereo HF generator

 

[buzzforb]

I disagree. It think it generates a wonderful noise.

 

[Zen Mod]

ok

make it UHF generator

 

[labjr]

Are the two board layouts a mirror image?

 

[rayma]

Are the two board layouts a mirror image?

They can't be completely, since the parts still have the same pinout in both.

 

[buzzforb]

No. Didiet's original layout was taken and corrections made. The errors lay in the pin arrangemt of the signal transformers. All else stayed the same. Mirrored are difficult, if not impossible. If there is a specific layout issue that someone has noticed that they believe will contribute to some negative outcome, now is the time. Corrections will be made and sent to store for them to move forward. I do not have the experience to create a professional layout. If there are seasoned folks who can help make for a better layout, it would be a great service to the forum for them to offer advice.