Sound Control Doors (Swing)

QuietSwing™ Series

Acoustical Performance Data
Sound Transmission Loss Data, dB

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1/3 Octave Band Center Frequency, Hz	100	125	160	200	250	315	400	500	630	800	1K	1.25K	1.6K	2K	2.5K	3.15K	4K	5K	STC
STC45
QS-45	28	29	34	33	33	35	40	41	44	47	48	47	48	48	47	48	50	51	45
STC48
QS-48	28	36	35	36	41	42	45	45	45	50	51	51	52	50	50	50	52	53	48
STC 50
QS-50	27	37	37	38	42	44	47	50	49	49	49	49	49	51	52	53	55	57	50
STC 52
QS-52	34	39	37	40	43	45	48	51	52	53	53	50	51	54	58	59	61	59	52