All items tagged with AirCirc (8)

Test Bench: The D8404-552000 Ellipticor Cloth Diaphragm Dome Midrange from Scan-Speak

September 6, 2023 by Vance Dickason

Test Bench: The D8404-552000 Ellipticor Cloth Diaphragm Dome Midrange from Scan-Speak

This characterization is the sixth Scan-Speak Ellipticor driver to appear in Test Bench. The Scan-Speak D8404 is a large dome midrange with a large diaphragm area and respective voice coil diameter. For a motor system, Scan-Speak basically scaled up its currently successful AirCirc tweeter motor with 12 neodymium slugs, with a titanium voice coil former, all part of the patented Symmetrical Drive SD-2 motor format. This article was originally published in Voice Coil, June 2023.

Electrostatic Loudspeakers and Two Cutting-Edge High-End Tweeters in Voice Coil June 2023

May 31, 2023 by audioXpress Staff

Electrostatic Loudspeakers and Two Cutting-Edge High-End Tweeters in Voice Coil June 2023

Voice Coil June 2023 features an extensive patent review in James Croft's Acoustic Patents column. The topic is a 2014 patent awarded to Nokia, offering an opportunity to revisit the history of electrostatic loudspeakers, with insights from Tim Mellow, one of the two listed inventors. In Test Bench, Vance Dickason focuses on the D8404-552000 Ellipticor cloth diaphragm dome midrange from Scan-Speak, and characterizes the SB Acoustics TW29BNWG beryllium dome and waveguide from the brand's prestigious Satori line.

Carl Tatz Design Announces Mk II Versions of Acclaimed PFM HD-1000 & UHD-1000 Master Reference Monitors

May 2, 2023 by audioXpress Staff

Carl Tatz Design Announces Mk II Versions of Acclaimed PFM HD-1000 & UHD-1000 Master Reference Monitors

Carl Tatz Design has released Mk II versions of the company’s acclaimed Master Reference Monitors. The PFM HD-1000 studio monitors now have an updated passive crossover and internal cabinet refinements, while the top-of-the-line PFM UHD-1000 bi-amp model, which relies on the PhantomFocus processor for its crossover control, also enjoys the new internal cabinet architecture.

Bond It, Treat It, and Coat It. Getting to Loudspeaker Business in Voice Coil July 2022

June 28, 2022 by audioXpress Staff

Bond It, Treat It, and Coat It. Getting to Loudspeaker Business in Voice Coil July 2022

The July 2022 issue of Voice Coil offers important resources for the industry with a focus on Adhesives, Coatings and Treatments. Mike Klasco writes about New Thin-Film Technologies for Coatings and Treatments. James Croft returns with a fresh review of a Mayht patent. And Vance Dickason characterizes the recent 38WE/8582T00 15” Ellipticor woofer from Scan-Speak, and explores the historical relevance of the SEAS W15CH001 5.25" Excel Midwoofer and its Hexadym Motor design.

Test Bench: The New D2404/552000 Ellipticor Tweeter from Scan-Speak

June 16, 2021 by Vance Dickason

Test Bench: The New D2404/552000 Ellipticor Tweeter from Scan-Speak

In earlier editions, Voice Coil introduced the Scan-Speak Ellipticor drivers with its unique oval voice coil shapes to defeat cone and dome standing wave modes. With the design and concept becoming extremely popular in the high-end two-channel market, the elliptical-shaped series of Scan-Speak drivers continues to expand. The new D2404/552000 Ellipticor 24mm tweeter is the little brother to the D3404 tweeter. This article was originally published in Voice Coil, March 2021.

Test Bench: Scan-Speak 21WE/4542T00 Ellipticor Midwoofer

December 30, 2020 by Vance Dickason

Test Bench: Scan-Speak 21WE/4542T00 Ellipticor Midwoofer

This Test Bench article focuses on the Scan-Speak Ellipticor 21WE/4542T00 midrange woofer, an impressive looking driver. The motor design for the Ellipticor 21WE/4542T00 is again an AirCirc multi-magnet and patented SD design, using an elliptical two-layer voice coil wound with round copper wire on a titanium former. Motor parts include polished front and back plates for the neodymium magnets that incorporates a 12 mm diameter rear vent for additional cooling. This article was originally published in Voice Coil, October 2020.

Scan-Speak Unveils New Ellipticor D2404/552000 1" Dome Tweeter

December 21, 2020 by audioXpress Staff

Scan-Speak Unveils New Ellipticor D2404/552000 1" Dome Tweeter

Scan-Speak has saved some last minutes surprises to end the year of the company's 50th anniversary in full force. The Danish engineering team just unveiled a new Ellipticor driver, expanding the rapidly growing family with the new Ellipticor D2404/552000 dome tweeter. This latest addition offers an impressive set of specifications according to the released datasheet, and should strongly motivate many speaker designers targeting high-end designs.

Scan-Speak Announces New Large-Size Ellipticor Woofer 38WE/8582T00

November 17, 2020 by Joao Martins

Scan-Speak Announces New Large-Size Ellipticor Woofer 38WE/8582T00

In the year when Scan-Speak celebrates its 50th anniversary, it seems the Danish engineering team is keeping R&D busy and getting to roll out a series of exciting new products. audioXpress was aware that new Ellipticor drivers were on the way, and now we received the confirmation of the first announcement, a large-size woofer (38 cm - 15") with paper cone and SD AirCirc neodymium magnet system. The new Ellipticor 38WE/8582T00 woofer offers surprisingly good specs, as was to be expected!