The Chicago Audio Society is dedicated to helping its members achieve maximum enjoyment of music through home high fidelity audio reproduction. The Society meets throughout the year to demonstrate, discuss and enjoy the best in music and audio.

AXPONA 2026 (Audio Expo North America) will take place April 10–12, 2026, at the Schaumburg Convention Center in Schaumburg, IL, featuring over 220 listening rooms, a massive Expo Hall, the Ear Gear Experience, and live music. We will be at Expo Hall Booth 9328. To register and purchase tickets, click the AXPONA link below. Then, for a 3 Day Pass at a 10% Discount only enter the promo code CAS2026, and click the APPLY button to the right.  For all other passes there is no promo code or discount, simply make your choice.  
PLEASE NOTE: Tickets are non-refundable, available before the show on-line, going up to $75 for a 3-Day pass at the door.

AXPONA 2026 Registration Link

Recent Meetings

December 7, 2025
  • Our December, 2025 meeting was hosted by Manuele Narduzzi of Namec USA at his home.  He demonstrating a system of Wisdon Audio Sage series L75 Loudspeakers, Wisdom Audio SA3 DSP amplifiers, Wisdom SCS 2 subwoofers, and the Trinnov Altitude 16 preamp-processor.  A Grandinote Volta Streamer/DAC was also on hand. 
October 12, 2025
  • Our October, 2025 meeting was held at Unitel Technologies in Mt. Prospect.  Our thanks to David Janszen, founder and designer of Janszen Audio, who demonstrated  his flagship 9.5 electrostatic loudspeaker. 
September 7, 2025
  • Our September, 2025 meeting was was held at Unitel Technologies in Mt. Prospect.  Our thanks to David MacPherson, designer and owner of Studio Electric Loudspeakers demonstrated his model m4 and model m5 speakers. David has a 30 year history of designing speakers for professional and home use. Both stand-mount speakers have been demoed at AXPONA in recent years to great effect, especially in regards to bass and musicality. The speakers feature gel-coated paper and copolymer drivers as well as soft dome tweeters contributing to their sound.
June 29, 2025
  • Our June, 2025 meeting was was held at Unitel Technologies in Mt. Prospect.  Our thanks to Leo Ayzenshtat, founder and designer of Orchard Audio for sending us his current top of the line Streamer/DAC and mono-block GaN amplifiers.  The featured system consisted of: An Orchard Audio PecanPi+ Premium, which is both a streamer and a DAC.  It features the AKM4499 chipset, runs with Volumio, and is also Roon Ready.  Amplifiers were: Orchard Audio Starkrimson Mono Ultra Premium GaNFET amplifiers driving: a pair of Eminent Technology LFT-8B speakers on Sound Anchor stands.
February 16, 2025
  • Our February, 2025 meeting was was hosted by new CAS member Greg Gills at his home in Elmhurst.  He showcased 3 audio systems featuring custom-built Klipsch horns and much McIntosh electronics.
December 8, 2024
  • Our December, 2024 meeting was held at VIP Home Theaters in Elk Grove Village.  Tom and Monica Adamczyk hosted the meeting at their newly opened showroom and presented a cutting-edge home theater featuring a 21' screen, 32 channels, a 20,000W, 30" subwoofer and custom ribbon stereo loudspeaker designs.  
November 10, 2024
  • Our November, 2024 meeting was held at Unitel Technologies in Mt. Prospect and was hosted by Walt Stegner of TLP Audio and Damien Norwick of Quark Audio, both dealers for Angela-Gilbert Yeung Audio, a custom-build audio company.  They demoed a number of Gilbert Yeung designed products including a C312  preamp, DF1, DF8 and DF16 Damping factor controllers and an xp 300 PowerLineFilter.

Recent Website Changes:

  • Slideshows of all my pictures from AXPONA 2025 have finally been added (floors 1-7, 11-12 & 14-16).  They can be found under Events\AXPONA Shows\AXPONA 2025, April 11 - 13
  • Two slide shows of pictures from the February, 2026 CAS meeting, hosted by Steve Merryweather have been added to the page for the meeting under History\Past Meetings\2026\February 2026.  There is a separate slideshow for each listening room.
  • A page for the February, 2026 meeting has been added under History\Past Meetings page.​
  • The newsletter for the February, 2026 meeting has been added under History\Past Newsletters page.
  • A slideshow of pictures from the December, 2025 meeting has been added to the December, 2025 page.
  • A page for the December, 2025 meeting has been added under History\Past Meetings page.​
  • The newsletters for the October & December, 2025 meetings have been added under History\Past Newsletters page.​
  • A page for the October, 2025 meeting has been added under History\Past Meetings page.​
  • A slideshow of pictures from the October, 2025 meeting has been added to the October, 2025 page.
  • A page for the September, 2025 meeting has been added under History\Past Meetings\2025.​
  • A slideshow of pictures from the September, 2025 meeting has been added to the September, 2025 page.
  • A page for the June, 2025 meeting has been added under History\Past Meetings\2025 page.​
  • A slideshow of pictures from the June, 2025 meeting has been added to the June, 2025 page.
  • The June, 2025 newsletter has been uploaded to the History\Past Newsletters page. 
  • A page for the December, 2024 meeting has been added under History\Past Meetings\2024.​
  • The December, 2024 newsletter has been uploaded to the History\Past Newsletters page. 
  • The November, 2024 newsletter has been uploaded to the History\Past Newsletters page. 
  • A page for the November, 2024 meeting has been added under History\Past Meetings\2024.  A link to video of presentations given by Walt Stegner of TLP Audio and Damien Norwick of Quark Audio to CAS members at the beginning of the November meeting was added near the end of the page.  A slideshow of pictures from the meeting has been added to the bottom of the page. ​
  • The June, July & September 2024 newsletters have been uploaded to the History\Past Newsletters page. 
  • A page for the September, 2024 meeting has been added under History\Past Meetings\2024.  A slideshow of pictures from the meeting has been added to the bottom of the page.
  • A page for the July, 2024 meeting has been added under History\Past Meetings\2024.  A slideshow of pictures from the meeting has been added to the bottom of the page.
  • A page for the June, 2024 meeting has been added under History\Past Meetings\2024.
  • Slideshows of all my pictures from AXPONA 2024 have been added (floors 1-7, 11-12 & 14-16).  They can be found under Events\AXPONA Shows\AXPONA 2024, April 12 - 14
  • The April, 2024 newsletter has been uploaded to the History\Past Newsletters page. 
  • The March, 2024 meeting page has been moved under the History\Past Meetings\2024 tab with a slideshow of pictures from the meeting added, and the March, 2024 newsletter has been uploaded to the History\Past Newsletters page. 
  • The November, 2023 meeting page has been moved under the History\Past Meetings\2023 tab with a slideshow of pictures from the meeting added, and the November, 2023 newsletter has been uploaded to the History\Past Newsletters page.
  • The October, 2023 meeting page has been moved under the History\Past Meetings\2023 tab and the October, 2023 newsletter has been uploaded to the History\Past Newsletters page. 
  • I have meticulously gone through all of our Links pages and removed broken links for companies that no longer exist, and have fixed ones whose web sites have moved.  I have also greatly expanded the list of equipment manufacturers on our Audio Equipment Manufacturers page under the Links tab.  I have given some background info and founding date on most manufacturers if I could find it.  I continue to add companies to the list as time allows. 
  • An error in the date for the May, 2023 meeting has been corrected on it's page.
  • A page for the November, 2020 virtual Zoom meeting with Peter Lederman from Soundsmith has been added under History\Past Meetings\2020.  An audio-only recording of the Zoom meeting provided by Peter has been added to the bottom of the page.​