thanks nmos,
i diy my pcb please share this version in single sided,i will gladly built this i have a bunch of irf460 just please share 1 sided pcb,
thanks
use double sisded pcb you will need 81 x 200 for 300 W including all protections and balanced input
nmos
do you have working nmos
class h,can you share pictures
clasas H is under development
HI Ingenieus,
Last night i tested my n mos 400,600, irfp450,
with the 30-0-30 traffo, but the out put is very very low, can u help me out? pls give me a suggestion
Last night i tested my n mos 400,600, irfp450,
with the 30-0-30 traffo, but the out put is very very low, can u help me out? pls give me a suggestion
I have only this one module
Upnito.sk - populárny hosting súborov a obrázkov
sound is good, but I don’t have any measurements…
Upnito.sk - populárny hosting súborov a obrázkov
sound is good, but I don’t have any measurements…
i test this but the power is too low,
your design is different without any protections...check my PCB
please provide your schematic
Attachments
Last edited:
I m working on this layout, with 6 irfp450, n the supply using +-30 for just testing
THIS is sister from Quasi NMOS AMP, I dont have build this circuit
Hi Sandeep, You should not run this amp on such low voltage rails. If you must then R7 needs to be replaced with a lower value resistor, try 4.7k. This will ensure the first stage constant current source works properly.
Remember to restore the original value if you choose higher rails >60v.
Regards
Quasi
Remember to restore the original value if you choose higher rails >60v.
Regards
Quasi
Hi Sandeep, You should not run this amp on such low voltage rails. If you must then R7 needs to be replaced with a lower value resistor, try 4.7k. This will ensure the first stage constant current source works properly.
Remember to restore the original value if you choose higher rails >60v.
Regards
Quasi
Hi greetings QUASI
what happened with NMOS MKII under development ?
Do you have finished final design with symmetrical clipping included cascoded second stage ?
I have build NMOS MKII under development and it works fine,... but have replace string of 3 1n4148 with 1 Amber LED
regards
Hello have a problem with NMOS300/500
- amplifier has a little quiet noise without Input signal from tweeters
- and if I do connect Input to ground the same quiet noise comes out from tweeters
I can hear it 4 meters far away from spaekers
does somebody have similar experience or a solution ?
attachment schematic
- amplifier has a little quiet noise without Input signal from tweeters
- and if I do connect Input to ground the same quiet noise comes out from tweeters
I can hear it 4 meters far away from spaekers
does somebody have similar experience or a solution ?
attachment schematic
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- Power amp under development