Anyone have a Music First Preamp ?

George says they did a blind test with a panel of listeners and no one could hear a problem until they got down to 30K ohm. I have an LSA on order and a 50K ohm amp, so we'll see.

I've used the LSA with an amp that had a 21k ohm input impedance and it sounded fine, but not optimal as it did with amps whose input impedance specs were higher. From what I've been learning recently, I think in some ways the ratios being quoted for determining best impedance matching are a bit overblown anyway.

Drubin, it would be good to know about your observations once you have a few weeks under your belt with the LSA - might make sense to post those comments on the "Lightspeed Attenuator: Best Preamp Ever?" thread where those interested would be more likely to find it. Cheers.