Nelson Pass First Watt amp F1

Tim, thank you for the information!

I don't think you are a good candidate for the amp, with your VR DB99 loudspeakers. I would be more than interested to hear if anyone with a brutally difficult loudspeaker load, such as the just about dead short Apogees, have had success with the amp, as the impedance would probably pose no problem it.

Maybe I am all wrong guys???

Twl, like most of us, you are coming from a voltage source mindset. Just about all of us think in this manner. That is the way of audio. A current source is a WHOLE different ballgame.

I have heard stories of people building low watt amplifiers that were operating as current sources, and they drove the absolute devil out of their earlier Apogees (virtually almost dead shorts). Conversely, even some absolute beasts of more traditional amplifiers (the bigger Krells, MLs, etc.) literally blow up or melt with the same loudspeaker.

Perhaps Sean can educate us a bit on the differences...

Interesting design!

If it is a current source, rather than a voltage source, perhaps some Apogee users might find a good amplifier there. Maybe it won't melt like most amplifiers out there.

Conversely, most more "traditional" speakers might sound odd when paired with it.

How much does it cost???