I just wanted to share my experience with NAD:
I once had to repair an NAD amplifier from the same era or slightly earlier for a friend, I recall the model to be a NAD 3100. It had been dropped and had severe damages, on the chassis as well as on the pcbs. The repair was doable, though it might not have been profitable if I have had to charge for it.
But: I was really underwhelmed with the build quality, the pcb and some design choices made while engineering this amp. The worst thing was IMHO the choice of the mounting holes on the pcb. It may have survived the drop when the mounting holes had been designed with regard to potential stress.
As all correctly designed audio amps should sound the same, in my eyes the brand NAD thus is overrated, at least the products from this era.
I may have some pictures of the amp, the defect and my repair if someone is interested.
I once had to repair an NAD amplifier from the same era or slightly earlier for a friend, I recall the model to be a NAD 3100. It had been dropped and had severe damages, on the chassis as well as on the pcbs. The repair was doable, though it might not have been profitable if I have had to charge for it.
But: I was really underwhelmed with the build quality, the pcb and some design choices made while engineering this amp. The worst thing was IMHO the choice of the mounting holes on the pcb. It may have survived the drop when the mounting holes had been designed with regard to potential stress.
As all correctly designed audio amps should sound the same, in my eyes the brand NAD thus is overrated, at least the products from this era.
I may have some pictures of the amp, the defect and my repair if someone is interested.