| Model | Minimum Joist Spacing (on center) | Maximum Joist Spacing (on center) | Compatible Speakers |
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SPKA-NCTP-IC500 | 12 1/16 in (307 mm) | 24 1/8 in (613 mm) | Excite IC5, Aspire IC5, Essence IC5 | SPKA-NCTP-IC600 | 13 in (329 mm) | 25 in (635 mm) | Excite IC6, IC6DT; Aspire IC6, IC6DT; Essence IC6 | SPKA-NCTP-IC800 | 15 7/16 in (392 mm) | 27 1/2 in (698 mm) | Excite IC8; Aspire IC8, IC8DT; Essence IC8 | SPKA-NCTP-IC410 | 12 in (305 mm) | 26 in (660 mm) | Saros IC4T, ICE4T | SPKA-NCTP-IC610 | 13 in (330 mm) | 26 in (660 mm) | Saros IC6T, ICE6T, IC6LPT, ICE6LPT | SPKA-NCTP-IC810 | 15 in (381 mm) | 26 in (660 mm) | Saros IC8T, ICE8T, IC8LPT, ICE8LPT, ICS8T | SPKA-NCTP-IC411 | 12 in (305 mm) | 26 in (660 mm) | Saros IC4T, ICE4T | SPKA-NCTP-IC611 | 13 in (330 mm) | 26 in (660 mm) | Saros IC6T, ICE6T, IC6LPT, ICE6LPT | SPKA-NCTP-IC811 | 15 in (381 mm) | 26 in (660 mm) | Saros IC8T, ICE8T, IC8LPT, ICE8LPT, ICS8T |
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| Model | Orientation | Minimum Stud Spacing (on center) | Maximum Stud Spacing (on center) | Compatible Speakers |
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SPKA-NCTP-IW500 | Vertical | 11 7/16 in (291 mm) | 23 1/2 in (597 mm) | Excite IW5, Aspire IW5, Essence IW5 | SPKA-NCTP-IW600 | Vertical | 12 9/16 in (319 mm) | 24 9/16 in (324 mm) | Excite IW6, Aspire IW6, Essence IW6 | SPKA-NCTP-IW800 | Vertical | 14 in (356 mm) | 26 1/16 in (662 mm) | Excite IW8, Aspire IW8, Essence IW8 | SPKA-NCTP-IWLCR52 | Horizontal | 16 in (406 mm) | 16 in (406 mm) | Aspire IWLCR52 | Vertical | 10 in (254 mm) | 24 in (610 mm) |
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