Assembeld HIFI NAC152 Preamplifier Board Base On NAIM NAC152XS Preamp
Note: this circuit board circuit source to naimpreamp NAC152, the line is fully consistent with the original
machine; time aligned filter - > volume - > gain board; 729 time circuit with 2 level buffer;
Core components: the triode tube is used by the latest original 2N5087/2N5089;
Input switch: switch with three sound source, high reliability OMRON relay.
Printed board design: surpassing the original layout in the layout;
Power supply: dual channel design, the left and right channels are completely separated; 2 sets of +24v
power supply, left and right channels to separate power supply;
Print board size: 176*113mm;
![](https://ae01.alicdn.com/kf/HTB1Z7IIbC8YBeNkSnb4q6yevFXav.jpg)
![](https://ae01.alicdn.com/kf/HTB1ctH1fYGYBuNjy0Foq6AiBFXaz.jpg)
![](https://img.alicdn.com/imgextra/i1/20630408/TB2U20KaFXXXXaZXpXXXXXXXXXX_20630408.gif)
![](https://ae01.alicdn.com/kf/Hcfd097777bbc474285863e8dccdfd887A.jpg)