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.

Sunday, May 21st, 2023    2:00 - 5:00 PM
Our May meeting will be held at: Unitel Technologies,
479 E Business Center Drive, Suite 105,
​Mt Prospect, IL 60056. 
Additional Details

Recent Meetings

May 21, 2023
  • Our May, 2023 meeting featured the new Orchard Audio Pecan Pi+ DAC/Streamer available directly from AXPONA for this meeting. Orchard Audio has been known for their GaN technology amplifiers and now streamers.  The Pecan Pi+ is built on a new AKM dual DAC chipset that has been highly anticipated.   John Brunner arranged to have John Lumley Refernce tube amps and preamp to power the system and Steve Merryweather supplied the speakers for the meeting. 
March 26, 2023
  • Our March, 2023 meeting featured a Ampex 354 REEL-TO-REEL, ALTEC & RCA speakers from Steve Merryweather.  John Brunner supplied the elctronics and Steve Merryweather supplied the speakers for the meeting. John demoed a classic tube Ampex 354 reel-to-reel analog tape player. Steve Merryweather supplied some of his handbuilt horn speaker cabinets featuring classic drivers from Altec and RCA. The preamp was a Conrad Johnson PV6, a Magnavox CDB 460 CD player and tube amps of John's design. The WiFi signal in the listening room was not strong enough, so we were unable to stream music using the Schitt Audio Yggdrasil OG DAC.
December 22, 2022
  • Our December meeting featured Cinetec Systems with Alta Audio Loudspeakers, ModWright, Mark Levinson and Lumin Electronics, Pure Fidelity Harmony Turntable, Arm, and Cartridge. Eric Lee and George Georgio of Cinetec, located in Palos Hills, IL set up a full system that encompassed the most listened to formats-streaming, disk, and LP.  They were joined by Frank Malitz, Distributor for Alta Audio.
September 18, 2022
  • At our September meeting Rick O'Polka from TigerFox360 demonstrated the TigerFox Immerse 360.  It’s a geometrically-precise high performance, portable sound control room that simply, quickly and at a relatively low cost acoustically replaces the listening room that normally surrounds the listener.
March 22, 2022
  • Our March meeting was hosted by Rick Berta at his home.  Tim Connor of KitsuneHiFi, the official source for HoloAudio products in the USA, supplied us with a demo unit for our meeting of their flagship, the Holo May KTE.  The Holo May KTE is a 40 lb, 2-chassis DAC, using a unique true R2R topology that is capable of supporting up to DSD1024 native and PCM 1.536MHz output (through HQPlayer).  The main high-efficiency, tube SET in Rick'main system features Lowthers with circular horns, Edgarhorn 100Hz horns with Altec 515B-8G-HP drivers, a custom 0a1 tube preamp, a custom 46 tube amp, and 2 REL subs.  Rick's system currently uses the Denafrips Terminator and the Denafrips Hermes D-D converter using I2S to connect to the DAC. We plan to use the Hermes/I2S with the Holo May KTE.
August 22, 2021
  • Our August meeting was hosted by Jeff Kenton at his home.  Jeff has Infinity Ref 4.5 speakers that have been heavily modified with reverse mirror imaging.  His system is also comprised of 2 REL T9i Stereo and .1 subwoofers, 2 BEL 1001 stereo amps for bi-amping bass & mid/tweeters, a Sonic Euphoria autoformer passive preamp,  modified Technics SL1200 MK5 Turntable, a Oppo SE-83 Special Edition for CD, Blu-ray, and SACD disc playback and a Richard Gray Power 400 Pro​ Power Conditioner. 
June 12, 2021
  • Our June meeting was hosted by Rick Berta at his home.  Rick has 3 high-efficiency, tube SET systems featuring the following DACs: Denafrips Terminator, Auralic G3 Vega, and Topping D90.  The main system features Lowthers with circular horns, Edgarhorn 100Hz horns with Altec 515B-8G-HP drivers, a custom 0a1 tube preamp, a custom 46 tube amp, and 2 REL subs. 
June 28, 2020
  • Our June meeting was a first for the CAS.  It was be a virtual Zoom-based meeting presented by Dr. Tetsuo Kubo & Bob Bean of Haniwa Audio on Advancements in Analog - Haniwa Low Impedance MC Cartridges and All Things Analog by Michael Fremer.
March 15, 2020
  • CAS member Stephen Merryweather hosted the March meeting at his workshop/warehouse location in Elgin.  Stephen is a skilled carpenter and woodworker and builds his own horn, open-baffle, and high-efficiency speakers. He demoed Altec Valencia's, Tannoy Golds, and RCA LC-1's all in custom horn-loaded cabinets by Stephen, as well as his updated open-baffle design.  A restored Infinity FET hybrid amplifier 700 watt Class A amplifier was featured.

Recent Website Changes:

  • A page for the May, 2023 meeting has been added under History\Past Meetings\2023.  A slideshow of pictures from the meeting has been added to the bottom of the page.
  • Slide shows of pictures from rooms on floors 14,15 & 16 at the 2023 AXPONA show have been posted.  You can find them under Events\AXPONA Shows\2023.
  • Slide shows of pictures from rooms on floors 7,11 & 12 at the 2023 AXPONA show have been posted.  You can find them under Events\AXPONA Shows\2023.  Floors 14, 15 & 16 to come soon.
  • Slide shows of pictures from rooms on floors 4,5 & 6 at the 2023 AXPONA show have been posted.  You can find them under Events\AXPONA Shows\2023.  More floors to come soon.
  • Slide shows of pictures from rooms on floors 1- 3 at the 2023 AXPONA show have been posted.  You can find them under Events\AXPONA Shows\2023.
  • A slideshow of pictures from the meeting has been added to the bottom of the March, 2023 meeting page.
  • A page for the March, 2023 meeting has been created and can be found under History\Past Meetings\2023\.
  • Newsletters for March, September and December, 2022 and March, 2023 have been uploaded to the web site and are under the History Tab and Past Newsletters.
  • A web page for the December, 2022 CAS meeting with Cinetec Systems has been created.  You can find it here.
  • A web page for the September, 2022 CAS meeting with TigerFox has been created.  You can find it here.
  • Slideshows of pictures from the 2022 AXPONA show have been posted to the web site under Events\AXPONA Shows\AXPONA 2022, April 22 - 24.
  • Newsletter for the August, 2021 meeting has been uploaded to the web site.
  • Our Next Event and Home page have been updated to show the August, 2021 meeting announcement.
  • A slide show of pictures from the June, 2021 meeting at Rick Berta's house has been added to the "Our Next Event" page.
  • Newsletters for the June, 2020 Zoom meeting and the June, 2021 meeting have been uploaded to the web site.
  • The page for the December, 2019 meeting presented by Mirror Audio has been added under the History\Past Meetings\2019 menu along with a slideshow of pictures from the meeting. 
  • The December, 2019 and March, 2020 newsletters have been uploaded to the web site.
  • A slideshow of pictures from the March, 2020 meeting has been added to the March, 2020 page.
  • A slideshow of pictures from the November, 2019 meeting has been added to the November, 2019 page.
  • The page for the November, 2019 meeting has been moved under the History\Past Meetings\2019 Menu Tab.
  • The November, 2019 newsletter has been added to the web site.
  • The page for the September, 2019 meeting has been added to the Past Meetings Menu.
  • A slideshow of pictures from the September, 2019 CAS meting at Toska Audio has been added to the Our Next Event page.
  • The September, 2019 newsletter has been added to the web site.
  • A slide show of pictures from the first five floors of the 2019 AXPONA show has been posted under the Events Menu.
  • A short slideshow of the few pictures I had from the February, 2019 meeting, hosted by Brian Walsh of Exogal have finally been posted to the page.
  • The August, 2019 newsletter has been added to the web site.
  • The pages for both February and July, 2019 meetings have been added to the Past Meetings Menu.​