Past meetings of the Society
October 2018

Meeting Notice for Sunday, Oct. 21, 2018

Date: 6:00 PM, Sunday, Oct. 21
Place: At a home in Lexington, MA (Contact BAS for directions, email me here

Vintage Analogue meets Modern DSP

Featured: Dirac Live Digital Room Correction,
JBL 4344Mk2 speakers,
Berning Siegfried amplification

BAS member Ken Schwarz will demonstrate what can be achieved by combining vintage high-end audio gear with modern digital correction. Large-format, horn-driven speakers of the 1970s-1990s produce an effortless and full-range sound, but can be difficult to position and adjust for low coloration. Ken’s using an inexpensive MiniDSP-based Dirac Live processor to judiciously clean up residual amplitude and phase errors as well as to provide a line-level crossover into bi-amped JBL 4344Mk2 speakers. Bass is driven by a Crown PS-400 solid-state amp, and mid/HF/UHF is driven by a Berning Siegfried amp, an unusual 10W, single-ended triode, output transformerless (OTL) design.

Attendees are encouraged to bring CDs, SACDs, LPs, or Mp3s of music they'd like to hear in the system.

Refreshments will be provided at 6PM


The Boston Audio Society
PO BOX 260211
Boston MA 02126

problems? email Barry:

updated 11/19/18