I finally amped the Quads (w/ the silver cable).. whoa. As I stated earlier, they sound wonderful unamped.. but amping them reminded me just how well they scale with better sources & power. With the Arrow in chain, I'm hearing is the midbass fq boost tamed even further.. it already sounded tighter and better controlled with the silver cable.. but the Arrow made the bass, as a whole, sounds immaculately sculpted. Bass has a really nice punch but not quite as dominant when unamped. I've never heard the bass reach this deep with such finesse and delicacy.
Unamped from my iPhone, the mids & treble sound much more crisp & airy with the silver cable. With the Arrow, I'm getting a touch of that signature smoothness back.. but it's the cleanest 'smooth sound' I've heard from the Quads.. ever. A perfect blend of what the silver cable brings to the table, but smoothed over for a more laid back feel. What I'm hearing is the sound of the Quads with the stock cable.. on steroids. Cleaner, tighter, refined, more dynamic, but with a degree of smoothness I did not hear from the unamped Quads w/ the silver cable. These phones are back to sounding incredibly non-fatiguing.. but more precise than ever. Amping the Quads w/ the stock cable sounds slightly cloudy & congested in comparison.
The soundstage? Ungodly. Where the Miracle's soundstage feels like it has more air and sheer volume (like a concert hall), the (amped) Quads' (with a silver cable) soundstage is, relatively, more intimate but extends seemingly 360 degrees. It's more enveloping than I could ever imagine.
Listening to Amon Tobin's latest opus, ISAM, tonight (which 1964Ears should sell with the Quads, IMO.. holy crap).. I had a moment where I just went weak & had chills run up and down my spine. It's one of those moments where you stop thinking about microdetails, balance, timbre, extension and all that other jargon we throw around here.. and just submit to the music.. I loved it. It felt like I was hearing ever note & nuance with such authority and precision, just like that crazy Brazilian intended.