Name: Baffle ceiling LMD-L
Brand: Lindner Group

Measured values as a table (22 measurements)

Baffle ceiling LMD-L: sound absorption coefficient αs per ISO 354 by frequency and test build-up
Build-up	α_w	Absorber class	100 Hz	125 Hz	160 Hz	200 Hz	250 Hz	315 Hz	400 Hz	500 Hz	630 Hz	800 Hz	1000 Hz	1250 Hz	1600 Hz	2000 Hz	2500 Hz	3150 Hz	4000 Hz	5000 Hz
Rv 2.0 - 20 · 247 mm · Slat 245 x 30 mm, axis spacing 300 mm	0.50	D	0.10	0.26	0.32	0.32	0.40	0.40	0.40	0.39	0.44	0.49	0.59	0.65	0.70	0.72	0.69	0.68	0.69	0.69
Rv 2.0 - 20 · 247 mm · Slat 245 x 30 mm, axis spacing 600 mm	0.40	D	0.07	0.20	0.22	0.25	0.34	0.36	0.33	0.33	0.34	0.35	0.40	0.43	0.48	0.48	0.48	0.48	0.50	0.51
Rv 2.0 - 20 · 247 mm · Slat 245 x 35 mm, axis spacing 300 mm	0.55	D	0.04	0.22	0.39	0.50	0.47	0.46	0.42	0.39	0.48	0.60	0.73	0.75	0.77	0.75	0.73	0.71	0.69	0.67
Rv 2.0 - 20 · 247 mm · Slat 245 x 35 mm, axis spacing 600 mm	0.50	D	0.04	0.15	0.27	0.40	0.41	0.42	0.40	0.36	0.43	0.46	0.52	0.54	0.54	0.54	0.52	0.51	0.48	0.47
Rv 2.0 - 20 · 247 mm · Slat 245 x 55 mm, axis spacing 600 mm	0.50	D	0.06	0.24	0.36	0.49	0.50	0.51	0.49	0.46	0.48	0.51	0.55	0.53	0.54	0.50	0.47	0.43	0.39	0.37
Rv 1.8 - 20 · 180 mm · Slat 150 x 35 mm, axis spacing 200 mm	0.60	C	0.07	0.12	0.33	0.49	0.50	0.61	0.59	0.52	0.49	0.50	0.56	0.68	0.76	0.71	0.75	0.70	0.67	0.64
Rv 1.8 - 20 · 310 mm · Slat 300 x 50 mm, axis spacing 200 mm	0.65	C	0.27	0.40	0.55	0.49	0.48	0.44	0.44	0.56	0.76	0.90	0.82	0.89	0.86	0.80	0.80	0.79	0.78	0.75
Rv 1.8 - 20 · 310 mm · Slat 300 x 35 mm, axis spacing 300 mm	0.45	D	0.15	0.16	0.27	0.35	0.37	0.31	0.26	0.32	0.46	0.58	0.62	0.67	0.74	0.75	0.76	0.77	0.79	0.82
Rv 1.8 - 20 · 310 mm · Slat 300 x 55 mm, axis spacing 200 mm	0.70	C	0.21	0.52	0.84	0.60	0.57	0.47	0.43	0.55	0.76	0.86	0.76	0.84	0.82	0.80	0.78	0.78	0.78	0.76
Rv 1.8 - 20 · 310 mm · Slat 300 x 55 mm, axis spacing 300 mm	0.60	C	0.25	0.30	0.53	0.62	0.58	0.40	0.38	0.46	0.66	0.78	0.82	0.79	0.82	0.79	0.77	0.71	0.67	0.55
Rv 2.0 - 20 · 515 mm · Slat 500 x 100 mm, axis spacing 750 mm	0.70	C	0.56	0.52	0.55	0.35	0.39	0.59	0.67	0.78	0.76	0.77	0.72	0.70	0.64	0.64	0.66	0.67	0.71	0.79
Rv 2.0 - 20 · 515 mm · Slat 500 x 100 mm, axis spacing 500 mm	0.75	C	0.72	0.57	0.54	0.37	0.48	0.59	0.77	0.93	0.87	0.85	0.86	0.78	0.75	0.71	0.72	0.70	0.69	0.64
Rv 2.0 - 20 · 515 mm · Slat 500 x 80 mm, axis spacing 750 mm	0.65	C	0.47	0.43	0.50	0.32	0.38	0.52	0.62	0.74	0.76	0.77	0.76	0.69	0.68	0.66	0.63	0.61	0.58	0.61
Rv 2.0 - 20 · 515 mm · Slat 500 x 80 mm, axis spacing 500 mm	0.75	C	0.64	0.53	0.54	0.37	0.45	0.57	0.72	0.85	0.84	0.86	0.87	0.83	0.78	0.73	0.72	0.70	0.67	0.70
Rv 1.8 - 20 · 310 mm · Slat 300 x 35 mm, axis spacing 200 mm	0.55	D	0.21	0.21	0.41	0.44	0.42	0.39	0.34	0.41	0.56	0.70	0.69	0.79	0.78	0.78	0.84	0.84	0.84	0.84
Rv 2.0 - 20 · 247 mm · Slat 245 x 55 mm, axis spacing 300 mm	0.65	C	0.10	0.36	0.53	0.62	0.60	0.59	0.56	0.52	0.56	0.66	0.78	0.75	0.74	0.68	0.65	0.61	0.59	0.51
Rv 2.0 - 20 · 200 mm · Slat 200 x 40 mm, axis spacing 600 mm	0.50	D	–	0.10	0.22	0.33	0.37	0.46	0.44	0.42	0.45	0.46	0.48	0.55	0.53	0.51	0.51	0.50	0.48	0.47
Rv 2.0 - 20 · 200 mm · Slat 200 x 40 mm, axis spacing 300 mm	0.60	C	–	0.13	0.33	0.46	0.47	0.56	0.54	0.49	0.50	0.53	0.60	0.75	0.72	0.73	0.73	0.69	0.67	0.67
Rv 2.0 - 20 · 200 mm · Slat 200 x 40 mm, axis spacing 200 mm	0.65	C	0.11	0.17	0.41	0.54	0.51	0.61	0.58	0.51	0.49	0.54	0.72	0.84	0.81	0.79	0.82	0.80	0.78	0.73
Rv 2.0 - 20 · 300 mm · Slat 300 x 40 mm, axis spacing 600 mm	0.55	D	0.13	0.20	0.43	0.49	0.49	0.49	0.46	0.43	0.50	0.62	0.66	0.69	0.73	0.68	0.67	0.67	0.65	0.60
Rv 2.0 - 20 · 300 mm · Slat 300 x 40 mm, axis spacing 300 mm	0.65	C	0.17	0.27	0.55	0.54	0.53	0.46	0.45	0.51	0.65	0.79	0.85	0.87	0.91	0.87	0.89	0.90	0.85	0.81
Rv 2.0 - 20 · 300 mm · Slat 300 x 40 mm, axis spacing 200 mm	0.70	C	0.20	0.35	0.63	0.58	0.57	0.48	0.48	0.57	0.74	0.93	0.90	0.94	0.96	0.93	0.94	0.93	0.91	0.88

Baffle ceiling LMD-L

Manufacturer

Lindner Group

Description

Technical data

Measurement data

Sound absorption

Frequency values

				Value
Rv 2.0 - 20	515 mm	Slat 500 x 100 mm, axis spacing 500 mm	100 mm	α_w0.75
Rv 2.0 - 20	515 mm	Slat 500 x 80 mm, axis spacing 500 mm	80 mm	α_w0.75
Rv 1.8 - 20	310 mm	Slat 300 x 55 mm, axis spacing 200 mm	50 mm Insula A2	α_w0.70
Rv 2.0 - 20	515 mm	Slat 500 x 100 mm, axis spacing 750 mm	100 mm	α_w0.70
Rv 2.0 - 20	300 mm	Slat 300 x 40 mm, axis spacing 200 mm	30 mm Acustica	α_w0.70
Rv 1.8 - 20	310 mm	Slat 300 x 50 mm, axis spacing 200 mm	40 mm Insula A2	α_w0.65
Rv 2.0 - 20	515 mm	Slat 500 x 80 mm, axis spacing 750 mm	80 mm	α_w0.65
Rv 2.0 - 20	247 mm	Slat 245 x 55 mm, axis spacing 300 mm	50 mm	α_w0.65
Rv 2.0 - 20	200 mm	Slat 200 x 40 mm, axis spacing 200 mm	30 mm Acustica	α_w0.65
Rv 2.0 - 20	300 mm	Slat 300 x 40 mm, axis spacing 300 mm	30 mm Acustica	α_w0.65
Rv 1.8 - 20	180 mm	Slat 150 x 35 mm, axis spacing 200 mm	30 mm	α_w0.60
Rv 1.8 - 20	310 mm	Slat 300 x 55 mm, axis spacing 300 mm	50 mm Insula A2	α_w0.60
Rv 2.0 - 20	200 mm	Slat 200 x 40 mm, axis spacing 300 mm	30 mm Acustica	α_w0.60
Rv 2.0 - 20	247 mm	Slat 245 x 35 mm, axis spacing 300 mm	30 mm	α_w0.55
Rv 1.8 - 20	310 mm	Slat 300 x 35 mm, axis spacing 200 mm	30 mm Insula A2	α_w0.55
Rv 2.0 - 20	300 mm	Slat 300 x 40 mm, axis spacing 600 mm	30 mm Acustica	α_w0.55
Rv 2.0 - 20	247 mm	Slat 245 x 30 mm, axis spacing 300 mm	20 mm	α_w0.50
Rv 2.0 - 20	247 mm	Slat 245 x 35 mm, axis spacing 600 mm	30 mm	α_w0.50
Rv 2.0 - 20	247 mm	Slat 245 x 55 mm, axis spacing 600 mm	50 mm	α_w0.50
Rv 2.0 - 20	200 mm	Slat 200 x 40 mm, axis spacing 600 mm	30 mm Acustica	α_w0.50
Rv 1.8 - 20	310 mm	Slat 300 x 35 mm, axis spacing 300 mm	30 mm Insula A2	α_w0.45
Rv 2.0 - 20	247 mm	Slat 245 x 30 mm, axis spacing 600 mm	20 mm	α_w0.40