Rethm Saadhana High Efficiency Wide Band Speakers

These are in my humble opinion, the best wideband high efficiency single driver speakers available. I have driven them with grand authority with as little power as 2.5 watt 2a3 amplifiers. These speakers are about 3 months old and barely broken in. The finish is metallic gun metal gray with rosewood side panels. As you can imagine from its age, the condition is like brand new but conservatively rated 9/10. There have been several iterations of the Saadhana, this is the latest one with the NCore bass amplifier modules. Unlike the overwhelming majority of other speakers catering to low powered tube amplification, this has (to my ears) no discernible compromises. It's been a dream to own these speakers; astonishing speed of rendition, visceral dynamics, nuanced articulation, tonal body, and effortless reach into the subterranean registers. The only reason for the sale is I'm leaving the hobby for a while. Hence, my entire system is for sale. I may be willing to deliver to certain parts of California for a fee. Full range: Horn loaded labyrinth: 2.2m ( 7" – 4") length Full range driver: Custom designed 7 inch paper cone w/whizzer Foam surround Voice coil dia.: 32mm Sensitivity: 99 db/w/m at 1khz, or mean averaged from 200hz to 2khz Bass: Sealed Isobaric chamber: 18,4 lit. volume. Bass labyrinth: 1.4m ( 4' – 8" ) Bass drivers: Custom designed; 3 units per enclosure 6.5 inch paper cone coated fabric surround Voice coil dia: 25 mm Sensitivity ( of each driver ): 91 db/w/m Bass module amplification: one monobloc per enclosure FET amplifier Max. output: 210 wpc @ 4 ohms. System: Loudspeaker sensitivity: 102 db/w/m. Nominal impedance: 8 ohms. Frequency response: 18 Hz to 20 Khz. Minimum amplification power: 2 wpc Dimensions: H x D x W : 1040mm ( 3'-5" ) x 730mm ( 2'-4 ½" ) x 215mm ( 8.5" ) Weight per enclosure: 40 kg ( 88 lbs ) Shipping weight per set ( 4 cartons, plus palette ): 120kg ( 264 lbs )