Cool design. Bet it sounds lovely with the jfet front-end.
Let me say though that I would´t recommend +-40V for the LM3886 at all.
Absolute maximum Ratings are +-42V with an Input Signal and the power Dissipation even with 8Ohm Speakers will go through the Roof when pushed a Little.
(see Graphs in the datasheet).
Don´t even think about connecting a 4Ohms Speaker to a LM3886 powered with +-40V. If you´re lucky the device will switch off before max. Junction temperature is reached.
Let me say though that I would´t recommend +-40V for the LM3886 at all.
Absolute maximum Ratings are +-42V with an Input Signal and the power Dissipation even with 8Ohm Speakers will go through the Roof when pushed a Little.
(see Graphs in the datasheet).
Don´t even think about connecting a 4Ohms Speaker to a LM3886 powered with +-40V. If you´re lucky the device will switch off before max. Junction temperature is reached.
Thanks again¡¡The amp is dual rail 40volts, the preamp single rail 27 volts
Hello I would like the PCB will PM addressI have one more PCB I can send out. PM your address. Thanks
Great work ! Thanks for providing the pcb's ! I'll be super interested in few of those if you do another run. Have a nice oneOK. All PCBs spoken for...may do another run....
I'm late to this party, but if and when you do another run of PCBs I am interested in one.OK. All PCBs spoken for...may do another run....
Thanks...