I need help.
Is there an orientation overview which Pass amps work with current drive and possible differences in general.
Then: as I am not into electronics - are there anywhere complete kits with all parts necessary included? And with a good description how to put all together?
At least which kits come close to being complete?
Is there an orientation overview which Pass amps work with current drive and possible differences in general.
Then: as I am not into electronics - are there anywhere complete kits with all parts necessary included? And with a good description how to put all together?
At least which kits come close to being complete?
The Firstwatt F1 and F2 were transconductance amps. There are a few clone PCBs around, but nothing like a kit.
Sometimes members here will post these amps in Swap Meet.
Also you could post a Wanted ad in Swap Meet for an amp.
Many have amps sitting around unused that they might sell.
https://www.diyaudio.com/community/forums/swap-meet.2/
Also you could post a Wanted ad in Swap Meet for an amp.
Many have amps sitting around unused that they might sell.
https://www.diyaudio.com/community/forums/swap-meet.2/
1000 bhp?
Seriously.... there's a table in here that might be interesting. Notice the hyperlinks to the articles that describe the amps.
https://www.firstwatt.com/products/
There's also more here:
https://www.passdiy.com/project
Nelson has been doing amps like since Oppenheimer was learning arithmetic... and the DIY community is like nuts... so documentation is not the best.
Ask @Zen Mod and the likes.
Seriously.... there's a table in here that might be interesting. Notice the hyperlinks to the articles that describe the amps.
https://www.firstwatt.com/products/
There's also more here:
https://www.passdiy.com/project
Nelson has been doing amps like since Oppenheimer was learning arithmetic... and the DIY community is like nuts... so documentation is not the best.
Ask @Zen Mod and the likes.
Yes. F1 is balanced SE (!!), and F2 is SE. F1 has two CSS’es, F2 one. Key take away? F1 dominant 3rd, F2 dominant 2nd. Both feedbackless, but work best (almost exclusively) with full range drivers. Like sugar better than all else? Choose F2. Like clarity and dynamics best? Then F1. There are other differences but these are the primary ones I guess.
Look at the Zen9 article. There were several different versions of this amp and most of them most of them being
suitable for current drive. It's only the last version with the addition of the feedback loop that is a voltage source
amp.
suitable for current drive. It's only the last version with the addition of the feedback loop that is a voltage source
amp.
Great to learn.
F1 up to F2..... And then read Pass selling lots of different versions of amps.
Therefore I need orientation.
Nice to hear: I like more clarity and dynamics than sweet sound!
Important information
F1 up to F2..... And then read Pass selling lots of different versions of amps.
Therefore I need orientation.
Nice to hear: I like more clarity and dynamics than sweet sound!
Important information
F1 up to F7 I wanted to write.
I found this nice overview:
https://www.diyaudio.com/community/...hed-amplifier-circuits-of-nelson-pass.187649/
I found this nice overview:
https://www.diyaudio.com/community/...hed-amplifier-circuits-of-nelson-pass.187649/