earliest '60s amperex are the top sonic echelon, revered for their incredible bass depth, euphoric airy ambience and transparency
these limited run 1961 production were only made 1-year, and replaced the dgetter variety for thicker richer mid-band euphony
audiophile crown jewels, these selected screened-editions (ck/beckman) were special procurement orders to replace pq/mil issue!
this ensured high quality control, low noise, and audio grade phono ready mic certified for purer clearer sound reproduction
often compared to heerlen holland 'dutch house' sparkely resolve, '61 amperex usa produce more clarity w/ a crisper clean finish
this increase in peak resolution on early production types are sought after by listeners for immersive playback and vocal fidelity
the sound stage is quite linear and 3-dimensional, capturing vinyl style intimacy and pin-point warm bass is felt in your fingertips