Specification Sheet

446
CM 10
CM 12
CM 14
The A-weighted sound ratings shown have been calculated per AMCA standard 301. Values shown
are for inlet Lwi(A) sound power levels for installation type B - free inlet, ducted outlet. Ratings do not
include the effect of duct end corrections. The sound ratings shown are loudness values in fan sones at
1.5 m (5 ft) in a hemispherical free eld calculated per AMCA International Standard 301. Values shown
are for: Installation type B: free inlet hemispherical sone levels.
RPM
Sound Performance Sones / LwA (Inches w.g.)
0.5 1 1.5 2 2.5 3 3.5
1325 4.4 / 60.1 - - - - - -
1500 5.7 / 64.2 - - - - - -
1700 7.5 / 68.6 6.6 / 65.9 - - - - -
1875 9.5 / 72.1 8.2 / 69.5 - - - - -
2050 11.7 / 75.4 9.9 / 72.6 9.3 / 70.9 - - - -
2250 14.4 / 78.7 12.2 / 76.0 11.4 / 74.6 11.1 / 73.2 - - -
2450 17.0 / 81.5 14.5 / 78.9 13.5 / 77.5 13.1 / 76.6 - - -
2625 19.1 / 83.5 17.1 / 81.5 15.7 / 80.0 15.0 / 79.1 14.6 / 78.1 - -
2825 21 / 85.2 19.6 / 84.0 17.9 / 82.3 17.1 / 81.3 16.6 / 80.6 16.3 / 79.7 -
3000 23 / 86.7 22 / 85.9 19.8 / 84.1 19.0 / 83.2 18.4 / 82.5 18.1 / 81.8 18.1 / 81.2
RPM
Sound Performance Sones / LwA (Inches w.g.)
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
1025 4.7 / 60.7 - - - - - - - - -
1225 7.1 / 67.4 - - - - - - - - -
1450 10.2 / 73.3 8.8 / 70.4 - - - - - - - -
1650 13.7 / 77.9 11.5 / 75.1 10.7 / 73.3 - - - - - - -
1850 17.6 / 81.9 14.8 / 79.2 13.7 / 77.5 13.1 / 76.3 - - - - - -
2050 21 / 84.9 18.6 / 82.8 17.2 / 81.3 16.3 / 80.1 15.9 / 79.2 - - - - -
2275 25 / 88.0 24 / 86.8 21 / 85 20 / 84 19.6 / 83.1 19.3 / 82.4 - - - -
2475 30 / 90.5 28 / 89.9 26 / 88.1 24 / 87.1 23 / 86.3 23 / 85.5 23 / 85 - - -
2700 34 / 92.8 34 / 92.6 31 / 91.3 29 / 90.0 28 / 89.3 27 / 88.6 26 / 87.9 26 / 87.5 26 / 87.2 -
2900 38 / 94.5 38 / 94.3 36 / 93.6 33 / 92.3 32 / 91.4 31 / 90.9 30 / 90.3 29 / 89.7 29 / 89.3 29 / 89.1
RPM
Sound Performance Sones / LwA (Inches w.g.)
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
900 4.8 / 60.6 - - - - - - - - -
1100 7.7 / 68.7 - - - - - - - - -
1300 10.8 / 74.4 9.4 / 71.7 - - - - - - - -
1500 14.4 / 79.0 12.5 / 76.8 11.3 / 74.8 - - - - - - -
1700 18.4 / 82.9 16.5 / 81.2 15.0 / 79.7 13.9 / 78.2 - - - - - -
1900 23 / 86.3 21 / 85.1 19.3 / 83.9 18.0 / 82.8 17.0 / 81.7 15.5 / 79.4 - - - -
2100 27 / 89.4 25 / 88.4 24 / 87.5 23 / 86.7 22 / 85.9 21 / 85.2 19.4 / 83.9 - - -
2300 32 / 92.2 30 / 91.3 29 / 90.6 28 / 90.1 26 / 89.4 25 / 88.8 25 / 88.4 23 / 87.5 - -
2500 37 / 94.2 35 / 93.5 33 / 92.9 32 / 92.4 31 / 91.8 30 / 91.2 29 / 90.7 28 / 90.3 27 / 89.7 26 / 88.7
2700 41 / 96.2 40 / 95.6 38 / 95.0 37 / 94.5 36 / 94.1 34 / 93.6 33 / 93.1 32 / 92.6 31 / 92.2 31 / 91.8
SOUND CHARACTERISTICS
MODELS CM
BELT DRIVEN UTILITY VENT SET
S&P USA Ventilation Systems, LLC., Div. of
Soler & Palau Ventilation Group certies that
the Models CM shown herein are licensed
to bear the AMCA Seal (except CM10).
The ratings shown are based on test and
procedures performed in accordance with
AMCA Publication 211 and AMCA Publication
311 and comply with the requirement of the
AMCA Certied Ratings Program.