Ascend Acoustics Sierra 2 Review

Ascend Acoustics Sierra 2 Review

Ascend Acoustic high-end tower loudspeaker was founded by David Fabrikant in 1999 in the southern part of California. Ascend acoustics has been able to manufacture class-leading, affordable price and quality performance ratios of loudspeakers for customers looking for affordable with optimum performance speakers for music listening and home theater applications.

Over the years, the manufacturing company has received a lot of accolades and good speaker reviews from customers and reviewers for producing a true glimpse of high-end at affordable prices making it easier to purchase.

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Fabrikant has decided to upgrade and move upmarket in his manufacturing process by introducing the Sierra line of high-end speakers, employing cutting-edge transducer and cabinet technologies. The Sierra line is the representation of Ascend Acoustic’s simplicity on the state of the art at prices that are appealing to audiophiles.

It is designed by a good quality transformer that optimizes impedance for efficient energy transfer and amplifier coupling. The proprietary Curv woofer was also designed to play up to the higher crossover point dictated by the RAAL ribbon tweeter without anomalous effects or cone breakup. In addition, the SEAS was able to optimize the cone shape in order to provide an additional surface area, resulting in a 6” driver that fits into a 5 ¼ frame.


The Curv woofer employed in the Sierra-2 incorporates a radical reinforcement of the surround for greater linearity and increased excursion capabilities and a vented pole piece, open spider, and magnesium basket for long-term durability and reliability. Also, the woven polypropylene of the Curv driver is very light with excellent damping characteristics which allow it to have a better match and compatibility with the transient capabilities of the RAAL tweeter.

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Sierra 2 Specification

  • Brand: Ascend Acoustics
  • Typical in-room frequency response: 41Hz-2kHz
  • Anechoic frequency response: 46Hz – 38kHz within 3dB tolerance
  • In-room sensitivity: 87dB at 2.83v/ 1 meter
  • Sensitivity: 86dB at 2.83 volts 
  • Minimum impedance: 6 Ohms
  • Minimum recommended power: 45 Watts
  • Maximum continuous power: 150 Watts 
  • Short-term peak input power: 300 Watts
  • Impedance compatibility: 8, 6, and 4 Ohms rated amps and receivers.
  • Dimension H x W x D: 14.25 x 7.5 x 10.5
  • Tweeter: RAAL true ribbon tweeters featuring a 10mm wide pure aluminum ribbon with a total moving mass of 1/100 of a gram.
  • Woofer: proprietary 6” long-throw Curv woofer, radially reinforced surround SEAS SpiderRings technology, and non-resonant cast magnesium frame.
  • Connectors: 2 gold plated all-metal 5-way binding posts
  • Unclipped peak: Grille off
  • Weight: 20 Ibs each
  • Shipping Weight: 43Ibs per pair
  • Height: 14.25
  • Width: 7.5
  • Deep; 10.5
  • Warranty; 7 years.

In the manufacturing process of these Sierra 2 loudspeakers, Fabrikant utilizes quality components in its aspect of crossover and also places a lot of emphasis on the time domain performances so as to be able to afford a coherent transition between the Curv woofer and the ribbon tweeter.

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The sierra 2 is a high-end tower loudspeaker that is responsible for the production of good and quality sounds. It consists of a lot of excellent features that contribute to its uniqueness and effectiveness bring about the good reproduction of sounds such as the following.

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The Sierra 2 is a bass-reflex loudspeaker that is beautifully constructed and loaded with a port located on the pair of quality five-way binding posts. The front baffle is consisted of mounting holes at each corner for affixing the available grille cloths.

This loudspeaker is produced to offers several cabinet finish options that include Natural, which reflects the bamboo coloring and grain, Satin Black Cherry, and Satin Espresso stains. 

It is typically constructed in a double sturdy box that is securely packaged and surrounded by a white cloth bag which is a  shock-absorbing material to aid its effectiveness. It is easy to place and install into the room corners along the long wall bringing the coolest of its sound with the removed grilles to the ears of the listeners.


Ascend Acoustic Sierra 2 is a high-end tower loudspeaker that usually break-in in an inordinate time to sound the best at most times. It is one of the best tower loudspeakers that can consistently sound good for over 200 hours of play out of the box without being weary.

There is a subtle improvement in the bass response extension, treble smoothness, resultant gains in soundstage cohesion, and midrange transparency bringing superb and punchy sounds for jazz lovers.

The transition from the tweeter to the SEAS Curv woofer was utterly coherent which speaks a loud volume about the quality of the driver as well as the crossover.  Concurrently, its midrange is opened and clear yet possessed of a touch of warmth and natural feeling that lent the voices and other mid-centric instruments a strong organic quality.

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When Ascend Acoustic Sierra 2 is compared to ATC SCM11 V2, its sensitivity and expressiveness mark the margin line because Sierra 2 is more expressive at low volumes which brings about the sensitivity by a more extended treble and a dynamic, extended bass response that gives room for a well detailed and natural sounds.

Generally, Sierra 2 is thrilling and it is a perfect choice of tower loudspeaker purchase that represents one of high-end audio’s bargains with great performances and musicality. With $1448 you can easily get this tower loudspeaker which makes it an affordable choice and gives optimum value beyond its price.

  • It is an excellent loudspeaker with good clarity sounds
  • Music sounds wonderfully well and real
  • 8 Ohms impedance is an added advantage
  •  It is compatible with any receiver without any concern
  • The 80HZ allows for the user to use the optimal blend for the subwoofer
  • Excellent details
  • The improved bass extension
  • Beautifully designed and well furnished
  • It is a lightweight tower speaker that weighs only 7.5 Ibs
  • A good looking speaker that beautifies the room
  • Sharp imaging
  • It is affordable for its price
  • It can consume up to 100 Watts of power
  • Can get too loud sometimes
  • It is not a satellite tower speaker
  • It is somewhat resonant to the touch 
  • It is not perfect with an 80Hz crossover
  • The backport of the speaker makes it somewhat questionable to wall mount
  • It must be paired with a subwoofer
  • Limited vertical dispersion
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