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Von Schweikert Audio

ULTRA 11

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The ULTRA 11 achieves a level of performance and realism previously not possible utilizing an all-new cabinet noise reduction design, low distortion drivers and signal path, as well as our proprietary Global Axis Integration Network circuit design.

This 6-way concentric array design utilizing the lowest distortion drivers available with our proprietary Rear-Ambient Retrieval System. The ULTRA 11 incorporates only the world’s finest network components including silver-gold-oil capacitors as well as copper foil inductors. Benefitting from passive room correction controls, integrated super tweeters, proprietary Rear-Ambient Retrieval System and two 1,400-watt amplified 15” subwoofers for each channel, the ULTRA 11 is a world-class flagship loudspeaker. Bi-wire inputs included.​

  • Extremely low distortion, class-defining clarity, three dimensional image focus, and lush harmonic structure set a new world standard.

  • MasterBuilt Ultra Internal Wiring comes standard on the ULTRA Line. Each signal path is individually shielded and damped with point to point connections. Designed by leaders in the Aerospace industry and made with rare and precious alloys. It’s simply the most transparent signal path available.

  • All-new exotic drivers such as ceramic woofers and midranges, Beryllium tweeters, compound woven subwoofers and ribbon super tweeters.

  • Point to point hand built networks with isolated architecture that protects crossover parts and wiring from electrical noise contamination.

  • Version 2.0 Aktive Cabinet Vibration Control, eliminating cabinet noise with new materials and layering techniques.

  • Time Alignment, Phase Consistency, and adjustable bi-polar sound radiation pattern for room-filling sound. The ULTRA 9 design employs one 15” powered subwoofer per channel to achieve full-range response from 16Hz to 40kHz.

SPECIFICATIONS

FREQ RESP: 16Hz - 40KHz

 

SENSITIVITY: 94dB @ 1w/1m

 

IMPEDANCE: 4ohms nominal

 

REC. MIN. POWER: 100 watts

 

FOUNDATION AMP: Two - 1200 watts RMS (per channel)

 

SIZE: 84" x 21"(rear) x 30"

 

CRATED: 94”x29”x43

5-year manufacturer warranty

$375,000 for the pair

Notable awards​

  • BEST FLOORSTANDING SPEAKERS 2021 - Part-Time Audiophile

  • BEST OF SHOW - Florida Audio Expo 2020

  • BEST OF 2019 - The Occasional - Part-Time Audiophile

  • BEST OF SHOW - Capital Audio Fest 2019

  • THE BEST OF SHOW - AXPONA 2019

  • THE BEST OF SHOW - AS GOOD AS IT GETS - Capital Audio Fest 2019

  • BEST OF SHOW - Capital Audio Fest 2018

  • BEST OF SHOW - GOLD AWARD - Munich HIGH-END 2018

  • THE BEST OF SHOW - AXPONA 2018

  • THE BEST OF SHOW - Capital Audio Fest 2017

  • BEST SYSTEM PERFORMANCE - California Audio Show 2017

  • THE BEST OF SHOW - LA Audio Show 2017

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