AUDEL's reference speaker are available in 3 models:
509: Approximately 24cm square, 2-way speaker. Faithful and true sounding, with a 5" midwoofer and 27mm neodymium tweeter.
618: Bewitchingly beautiful, large volumetric capacity, the AUDEL 618 offers a silk tweeter and 6.5" woofer.
Tower: Massive internal volume providing deep, detailed bass, silk tweeters and twin 6.5" woofers. Striking design, stunning results.