Soundwave: Grand Soliloquy Series II Loudspeakers


A near mint pair of pre-loved Soundwave Grand Soliloquy Series II loud-speakers. These top of the range Soundwave speakers were designed and made in the early 90s by Jim Gala, an engineer and musician, who created these speakers to sound like a live musical performance.

Out of Stock

Out of stock


Pre-loved Soundwave Grand Soliloquy Series II Sound Speakers

Soundwave loud-speakers where made in Rochester NY USA and feature a unique “V” shaped cabinet design that is referred to as a Point Source loud-speaker design. The high frequency driver is located it the tip of “V” which is then directed at the listener. The remaining mid/bass drivers placed in a D’ Appolito configuration, which helps the horizontally and vertically imagining. This coaxial type speaker design was patented in the early 90s by engineer and musician Jim Gala.


  • Make: Soundwave
  • Model: Grand Soliloquy
  • Type: High End Tower Speakers
  • Manufactured: USA in Rochester, NY
  • Year: from 1989-93
  • Original price: RRP $5995 AUD (1993) calculated for inflation (2022) $12,500
  • Design: Point Source loudspeakers. 5 -sided sealed enclosure with 8 -in polypropylene woofer. I -in polypropylene tweeter. Features enclosure filled with declining radius of open -cell textured -acoustic foam;
  • Drivers:  two 8″ woofers & two 1″ tweeters
  • crossover point 2,000 Hz.
  • Frequency Response: 29-21,000 Hz ±3 dB;
  • Power handling: 50-300 W
  • sensitivity 90 dB/W/m;
  • nominal impedence 7 ohms;
  • Condition: Excellent with boxes
  • Dimensions 14 x 44 x 16 in;
  • Weight: 85 lb
  • Fully Tested.