without ir 2117 good circuit.but you should also change nsl32 because it is rare too and if you are doing hard work for diyer and making this in 2015 then you should aware of available parts in 2015.good work.
sorry I never saw your previous messages...have not opened this message box for a long time...ok I see your address will send you a couple ok
hi sir apex can the 500 ab amp be converted to class td or hd the way you converted it to class h??
hi apex sir,i don't want to hear bass under 50hz because i don't like it.is there any circuit?thanks.
Just adjust the component values of the Passive RC input filter.
But have you investigated whether it is your speakers that create the "unpleasant" bass?
Very many commercial speakers are designed to give a "more bass effect" than their small size is capable of.
This "effect" is achieved by setting the speaker Q to a value higher then 0.7, sometimes higher the Q>=1
This gives a very "unreal" sound than many listeners do not like.
It would be worth experimenting to try to find out what it is that you find "unpleasant".
