Ascend AcousticsSierra Towers RAALFor sale the Ascend Sierra Towers in dark cherry with RAAL tweeter, a $700 upgrade+ cross over binding post which is custom for bi-amping, as well as the crossover if you decide to do so which make...2449.00

Ascend Acoustics Sierra Towers RAAL Cherry Finish [Template]


no longer for sale

For sale the Ascend Sierra Towers in dark cherry with RAAL tweeter, a $700 upgrade+ cross over binding post which is custom for bi-amping, as well as the crossover if you decide to do so which makes these Towers pretty rare.

redesigned the crossover for actual Bi-wiring, not like plenty of false bi-wire speakers that aren't wired to the crossover to take advantage of two separate amps!

Here's the chance to get these Towers without the wait
Some specs from the Ascend Site
Typical In-Room Frequency Response34Hz - 27kHz ± 3dBIn-Room Sensitivity92dB @ 2.83v / 1 meterFrequency Response (Anechoic)41Hz - 28kHz ± 3dBSensitivity (Anechoic)89dB @ 2.83v / 1 meterImpedance Compatibility8, 6, and 4 ohm rated amps and receiversMinimum Impedance4 ohmsMinimum Recommended Power25 wattsMaximum Continuous Power*300 wattsMaximum Short Term Peak Power*500 wattsCabinetExclusive V-LAM™ construction featuring vertically laminated bamboo. Bass reflex via flared rear port tube. Isolated sealed internal midrange chamber.Dimensions H x W x D**43" x 7.5" x 10.5"Weight (each)44 lbs eachShipping Weight (each)55 lbs eachTweeter (featuring our exclusive NrT)(1) 26mm high-definition soft dome tweeter w/integrated elastomer wave guide. Axially magnetized neodymium ring magnet with large damping chamber and fully underhung voice coil, wide surround and low-viscosity magnetic fluid cooling. Fully manufactured by SEAS ofNorway .Midrange Woofer(1) 5.25” mineral-filled polypropylene cone woofer featuring an underhung voice coil with neodymium magnet system, vented pole-piece, vented spider and aluminum phase plug.Woofer(2) Proprietary 5.25” long throw mineral-filled polypropylene cone woofers. Features non-resonant cast aluminum frame, copper shorting rings, low-inductance motor assembly, vented pole-piece and vented spider.Connectors(2) gold plated all metal 5 way binding posts.Warranty7 year parts and labor     *Unclipped peaks     **Grille Off


In theory, our goals for this loudspeaker were quite simple, create a compact floorstanding loudspeaker with performance that rivals and even surpasses some of the most highly regarded loudspeakers at any price. Our Sierra-1 bookshelf has proven to be a huge success and far exceeded our expectations with regard to happy customers and positive reviews. Thousands of pairs later, there can be no doubt that our design formula works so our direction was clear – turn the Sierra-1 into a full range floorstanding loudspeaker while also improving upon every performance aspect.

A full 2 ½ years later, we are proud to formally introduce our flagship product... 

Featuring our exclusive fully custom neodymium ring magnet tweeter built for us by SEAS, the NrT provides high frequency extension to 28kHz with exceptional transient response.  It provides crisp and airy highs with effortless dynamics and many layers of detail. 

Our midrange driver is housed in its own dedicated critically damped sealed enclosure within the cabinet and is designed to reproduce the critical midrange response.  By isolating the midrange from the rest of the drivers, intermodulation distortion is greatly reduced and detail and separation between individual instruments is greatly improved.

Our dual 5 ¼” long throw woofers handle the low end but don’t let the small size fool you, these woofers provide exceptionally tight and accurate bass reproduction well into the mid 30Hz range.  Bass and mid-bass response are well balanced with surprising punch.  The woofers hit hard and dig deep when required, but due to low stored energy and very low inductance levels, they can also be detailed and subtle when need be, without glossing over the subtle notes that large diameter higher mass woofers can often miss. 

All this combined in our exclusive minimal resonance layered bamboo cabinet and the results speak for themselves… This is a loudspeaker that simply must be heard to describe.

And for those that seek the ultimate in transparency and detail, we are pleased to offer an optional ribbon tweeter upgrade featuring what is widely considered to be one of the world’s best true ribbon tweeters, our own custom version of the outstanding RAAL 70-20XR with an Amorphous core transformer.

Our flagship product and a new performance standard – the Sierra Tower.

Hand assembled, tested and packaged in the USA, we are so confident of the component and build quality of the Sierra Tower that we are backing it by a comprehensive 7 year parts & labor warranty.  Left / right pairs are matched by hand to within ± 1dB and we are including a printout of the actual production line response measurements of each speaker.  We dare say it, but you simply can not find this type of quality control, care and pride from products that are fully assembled and tested in overseas manufacturing facilities.

At Ascend, it is all about performance and we have found a unique way to offer exceptional natural beauty that also offers documented performance improvements.  Now you can have that renowned Ascend performance AND good looks, all in a product that represents the very best of what we have to offer while joining the growing trend towards environmental responsibility.

For more information, please visit the Tower info in our Forum.

We thank you for your interest!

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