nad

Hello, I've pretty much upgraded everything in my NAD C515BEE. I removed the muting transistors today and found a significant improvement and the only downside is a very low level minor scratchy plip when a disc is loaded and 'play' is pressed and that's it. In the title......... While I...

Hello I'm pretty new to modifying, I have changed most of the parts inc opamps, decoupling caps, regulators, clock, evey cap etc etc. I'm in the process of replacing the opamp output resisors to Welwny rc55y's. I've been looking at the output circuit and as a newbie, I'm unsure what the half...

recently acquired a pair of sansui sp x7 speakers in excellent condition. I'm driving them with a nad 3140 preamp and nad 2140 amp in bridged mode with a denon avr-95 receiver's preouts. Geuss my question is can these take this kind of power without destroying the speakers? Seem to sound good...

Hello all, i have a problem with an amplifier and hope someone can help me with some advise. http://dymas.ii.uam.es/~jga/nad216thx/DSC02678.JPG The amp has two problems. First when you turn it on the relay didnt clicks and the protection led keeps on. Ok, i know most nads amplifiers fail that...