Buy from Amazon
$279.00 $76.78
$300.00
$255.00
$210.00
$165.00
$120.00
Jul
Sep
Nov
Jan
Mar
May
Jul
Sep
Nov
Jan
Mar
May
2014
2015
2016
$240.92, May 8 - May 26 $171.75, May 8 - Jun 13 $166.25, May 8 - Jul 30 $240.93, May 27 - Jun 24 $171.75, May 8 - Jun 13 $166.25, May 8 - Jul 30 $240.93, May 27 - Jun 24 $217.55, Jun 14 - Aug 30 $166.25, May 8 - Jul 30 $217.55, Jun 14 - Aug 30 $177.96, Jun 26 - Jul 5 $166.25, May 8 - Jul 30 $217.55, Jun 14 - Aug 30 $179.33, Jul 6 - Aug 8 $166.25, Aug 1 - Aug 21 $217.55, Jun 14 - Aug 30 $175.86, Aug 10 - Sep 3 $166.25, Aug 1 - Aug 21 $217.55, Jun 14 - Aug 30 $175.86, Aug 10 - Sep 3 $175.81, Aug 23 - Sep 1 $215.37, Sep 1 - Sep 21 $175.86, Aug 10 - Sep 3 $175.81, Aug 23 - Sep 1 $215.37, Sep 1 - Sep 21 $175.86, Aug 10 - Sep 3 $166.25, Sep 3 - Sep 29 $215.37, Sep 1 - Sep 21 $172.75, Sep 6 - Sep 8 $166.25, Sep 3 - Sep 29 $215.37, Sep 1 - Sep 21 $172.61, Sep 10 5:24 pm $166.25, Sep 3 - Sep 29 $215.37, Sep 1 - Sep 21 $172.58, Sep 12 - Sep 23 $166.25, Sep 3 - Sep 29 $213.22, Sep 23 - Oct 12 $172.58, Sep 12 - Sep 23 $166.25, Sep 3 - Sep 29 $213.22, Sep 23 - Oct 12 $172.57, Sep 25 5:19 pm $166.25, Sep 3 - Sep 29 $213.22, Sep 23 - Oct 12 $172.49, Sep 27 7:52 pm $166.25, Sep 3 - Sep 29 $213.22, Sep 23 - Oct 12 $172.45, Sep 29 8:02 pm $166.25, Sep 3 - Sep 29 $213.22, Sep 23 - Oct 12 $172.29, Oct 1 11:26 pm $170.88, Oct 1 11:26 pm $213.22, Sep 23 - Oct 12 $172.21, Oct 4 1:16 am $165.84, Oct 4 - Oct 12 $213.22, Sep 23 - Oct 12 $165.89, Oct 6 - Oct 12 $165.84, Oct 4 - Oct 12 $211.09, Oct 14 - Nov 2 $166.29, Oct 14 - Dec 2 $166.24, Oct 14 - Dec 2 $208.98, Nov 9 - Nov 22 $166.29, Oct 14 - Dec 2 $166.24, Oct 14 - Dec 2 $206.90, Nov 24 - Dec 16 $166.29, Oct 14 - Dec 2 $166.24, Oct 14 - Dec 2 $206.90, Nov 24 - Dec 16 $166.22, Dec 4 9:33 am $166.17, Dec 4 9:33 am $206.90, Nov 24 - Dec 16 $166.28, Dec 6 7:12 am $166.24, Dec 6 7:12 am $206.90, Nov 24 - Dec 16 $166.19, Dec 8 7:32 am $166.14, Dec 8 7:32 am $206.90, Nov 24 - Dec 16 $166.15, Dec 10 2:24 pm $166.10, Dec 10 2:24 pm $206.90, Nov 24 - Dec 16 $166.29, Dec 12 - Dec 18 $166.24, Dec 12 - Dec 18 $211.04, Dec 18 - Jan 4 $166.29, Dec 12 - Dec 18 $166.24, Dec 12 - Dec 18 $211.04, Dec 18 - Jan 4 $166.24, Dec 22 - Feb 8 $166.19, Dec 22 - Feb 8 $215.26, Jan 5 - Feb 4 $166.24, Dec 22 - Feb 8 $166.19, Dec 22 - Feb 8 $186.05, Feb 6 - Feb 10 $166.24, Dec 22 - Feb 8 $166.19, Dec 22 - Feb 8 $186.05, Feb 6 - Feb 10 $166.20, Feb 10 12:22 am $166.15, Feb 10 12:22 am $186.13, Feb 11 - Feb 23 $166.04, Feb 11 7:30 pm $166.00, Feb 11 7:30 pm $186.13, Feb 11 - Feb 23 $165.96, Feb 13 2:29 pm $165.91, Feb 13 2:29 pm $186.13, Feb 11 - Feb 23 $165.83, Feb 15 10:31 am $165.77, Feb 15 10:31 am $186.13, Feb 11 - Feb 23 $161.25, Feb 17 10:07 am $161.21, Feb 17 10:07 am $186.13, Feb 11 - Feb 23 $161.16, Feb 19 6:59 am $161.11, Feb 19 6:59 am $186.13, Feb 11 - Feb 23 $160.21, Feb 21 4:47 am $160.17, Feb 21 4:47 am $186.13, Feb 11 - Feb 23 $160.08, Feb 23 2:08 am $160.03, Feb 23 2:08 am $208.41, Feb 24 - Mar 5 $163.78, Feb 24 - Mar 3 $163.73, Feb 24 - Mar 3 $208.41, Feb 24 - Mar 5 $157.48, Mar 5 8:25 am $157.43, Mar 5 8:25 am $194.09, Mar 7 - Mar 9 $155.24, Mar 7 8:32 am $155.22, Mar 7 8:32 am $194.09, Mar 7 - Mar 9 $153.45, Mar 9 7:40 am $153.40, Mar 9 7:40 am $212.58, Mar 11 - Mar 17 $150.91, Mar 11 3:05 pm $150.91, Mar 11 3:05 pm $212.58, Mar 11 - Mar 17 $150.44, Mar 13 11:03 pm $150.44, Mar 13 11:03 pm $212.58, Mar 11 - Mar 17 $149.25, Mar 17 12:52 am $149.25, Mar 17 12:52 am $216.84, Mar 19 - Mar 23 $149.92, Mar 19 4:43 am $149.89, Mar 19 4:43 am $216.84, Mar 19 - Mar 23 $149.85, Mar 21 9:20 am $149.80, Mar 21 9:20 am $216.84, Mar 19 - Mar 23 $149.74, Mar 23 3:18 pm $149.69, Mar 23 3:18 pm $221.16, Mar 25 - Apr 2 $149.62, Mar 25 10:36 pm $149.57, Mar 25 10:36 pm $221.16, Mar 25 - Apr 2 $149.45, Mar 28 5:42 am $149.41, Mar 28 5:42 am $221.16, Mar 25 - Apr 2 $149.31, Mar 30 3:36 pm $149.26, Mar 30 3:36 pm $221.16, Mar 25 - Apr 2 $163.78, Apr 2 4:25 am $163.73, Apr 2 - Apr 4 $229.00, Apr 4 - Apr 23 $163.73, Apr 2 - Apr 4 $163.72, Apr 4 6:32 pm $229.00, Apr 4 - Apr 23 $154.45, Apr 7 7:59 am $154.40, Apr 7 7:59 am $229.00, Apr 4 - Apr 23 $152.49, Apr 10 1:57 am $152.48, Apr 10 1:57 am $229.00, Apr 4 - Apr 23 $150.53, Apr 12 8:01 pm $150.48, Apr 12 8:01 pm $229.00, Apr 4 - Apr 23 $149.77, Apr 15 4:17 pm $149.73, Apr 15 4:17 pm $229.00, Apr 4 - Apr 23 $149.73, Apr 18 5:48 am $149.68, Apr 18 5:48 am $229.00, Apr 4 - Apr 23 $149.54, Apr 20 10:06 pm $149.48, Apr 20 10:06 pm $229.00, Apr 4 - Apr 23 $149.30, Apr 23 3:25 pm $149.28, Apr 23 3:25 pm $229.00, Apr 26 - May 28 $149.04, Apr 26 7:43 pm $148.92, Apr 26 7:43 pm $229.00, Apr 26 - May 28 $148.94, Apr 29 5:01 pm $148.89, Apr 29 5:01 pm $229.00, Apr 26 - May 28 $178.33, May 2 10:36 am $178.30, May 2 10:36 am $229.00, Apr 26 - May 28 $178.11, May 5 1:48 am $177.86, May 5 1:48 am $229.00, Apr 26 - May 28 $180.06, May 8 8:24 pm $180.06, May 8 8:24 pm $229.00, Apr 26 - May 28 $179.80, May 12 3:53 am $179.52, May 12 3:53 am $229.00, Apr 26 - May 28 $180.79, May 15 12:08 pm $179.63, May 15 12:08 pm $229.00, Apr 26 - May 28 $181.25, May 19 5:51 pm $181.21, May 19 5:51 pm $229.00, Apr 26 - May 28 $180.94, May 23 8:49 pm $180.93, May 23 8:49 pm $229.00, Apr 26 - May 28 $180.60, May 28 4:26 am $180.31, May 28 4:26 am $279.00, Jun 1 - Jul 19 $180.25, Jun 1 7:24 pm $179.78, Jun 1 7:24 pm $279.00, Jun 1 - Jul 19 $179.94, Jun 6 10:43 am $179.43, Jun 6 10:43 am $279.00, Jun 1 - Jul 19 $179.70, Jun 10 3:26 pm $179.06, Jun 10 3:26 pm $279.00, Jun 1 - Jul 19 $179.36, Jun 14 11:18 am $178.43, Jun 14 11:18 am $279.00, Jun 1 - Jul 19 $179.21, Jun 16 9:49 am $178.30, Jun 16 9:49 am $279.00, Jun 1 - Jul 19 $179.09, Jun 20 4:22 am $178.41, Jun 20 4:22 am $279.00, Jun 1 - Jul 19 $179.35, Jun 23 11:00 pm $178.39, Jun 23 11:00 pm $279.00, Jun 1 - Jul 19 $179.18, Jun 27 9:15 pm $178.15, Jun 27 9:15 pm $279.00, Jun 1 - Jul 19 $178.95, Jul 1 10:32 pm $178.12, Jul 1 10:32 pm $279.00, Jun 1 - Jul 19 $199.48, Jul 6 4:47 am $178.34, Jul 6 4:47 am $279.00, Jun 1 - Jul 19 $184.44, Jul 11 11:41 pm $177.98, Jul 11 11:41 pm $279.00, Jun 1 - Jul 19 $190.93, Jul 15 4:51 pm $177.65, Jul 15 4:51 pm $279.00, Jun 1 - Jul 19 $187.61, Jul 19 6:15 am $177.59, Jul 19 6:15 am $194.47, Jul 22 - Aug 2 $186.67, Jul 22 9:15 pm $180.50, Jul 22 9:15 pm $194.47, Jul 22 - Aug 2 $181.07, Jul 26 10:44 am $107.57, Jul 26 10:44 am $194.47, Jul 22 - Aug 2 $181.08, Jul 30 - Aug 2 $108.21, Jul 30 12:47 am $194.47, Jul 22 - Aug 2 $181.08, Jul 30 - Aug 2 $107.61, Aug 2 3:00 pm $179.22, Aug 6 - Sep 1 $179.18, Aug 6 7:06 am $107.19, Aug 6 7:06 am $179.22, Aug 6 - Sep 1 $175.22, Aug 10 2:31 am $76.78, Aug 10 2:31 am $179.22, Aug 6 - Sep 1 $172.49, Aug 13 9:10 pm $172.47, Aug 13 9:10 pm $179.22, Aug 6 - Sep 1 $175.27, Aug 17 - Aug 25 $175.22, Aug 17 - Aug 25 $179.22, Aug 6 - Sep 1 $175.55, Aug 28 - Sep 1 $175.50, Aug 28 - Sep 1 $279.00, Sep 5 - Sep 24 $175.27, Sep 5 12:03 pm $175.22, Sep 5 12:03 pm $279.00, Sep 5 - Sep 24 $181.12, Sep 9 - Sep 17 $181.07, Sep 9 - Sep 17 $279.00, Sep 5 - Sep 24 $176.57, Sep 21 - Oct 18 $176.52, Sep 21 - Oct 26 $251.80, Sep 28 9:02 pm $176.57, Sep 21 - Oct 18 $176.52, Sep 21 - Oct 26 $279.00, Oct 2 - Oct 15 $176.57, Sep 21 - Oct 18 $176.52, Sep 21 - Oct 26 $265.04, Oct 18 11:32 pm $176.57, Sep 21 - Oct 18 $176.52, Sep 21 - Oct 26 $255.39, Oct 22 8:46 pm $176.52, Sep 21 - Oct 26 $162.00, Oct 22 8:46 pm $207.84, Oct 26 5:44 pm $176.52, Sep 21 - Oct 26 $148.00, Oct 26 - Nov 7 $176.52, Sep 21 - Oct 26 $169.29, Oct 30 4:55 pm $148.00, Oct 26 - Nov 7 $176.52, Sep 21 - Oct 26 $148.00, Oct 26 - Nov 7 $138.36, Nov 3 4:39 pm $176.52, Sep 21 - Oct 26 $148.00, Oct 26 - Nov 7 $110.89, Nov 7 7:15 pm $176.52, Sep 21 - Oct 26 $140.32, Nov 11 10:03 pm $90.80, Nov 11 10:03 pm $279.00, Nov 16 2:50 am $156.72, Nov 16 - Nov 20 $140.00, Nov 16 2:50 am $266.44, Nov 20 12:18 pm $156.72, Nov 16 - Nov 20 $126.00, Nov 20 - Nov 24 $271.59, Nov 24 10:05 pm $159.85, Nov 24 10:05 pm $126.00, Nov 20 - Nov 24 $232.55, Nov 29 2:17 pm $157.66, Nov 29 - Dec 4 $125.00, Nov 29 - Dec 4 $181.47, Dec 4 11:53 am $157.66, Nov 29 - Dec 4 $125.00, Nov 29 - Dec 4 $279.00, Dec 9 - Mar 24 $150.04, Dec 9 3:34 pm $124.00, Dec 9 3:34 pm $279.00, Dec 9 - Mar 24 $159.92, Dec 14 3:36 pm $123.00, Dec 14 - Jan 18 $279.00, Dec 9 - Mar 24 $162.20, Dec 19 4:38 pm $123.00, Dec 14 - Jan 18 $279.00, Dec 9 - Mar 24 $162.36, Dec 24 - Jan 8 $123.00, Dec 14 - Jan 18 $279.00, Dec 9 - Mar 24 $160.99, Jan 13 3:44 am $123.00, Dec 14 - Jan 18 $279.00, Dec 9 - Mar 24 $162.32, Jan 18 4:04 am $123.00, Dec 14 - Jan 18 $279.00, Dec 9 - Mar 24 $161.26, Jan 23 - Feb 12 $122.00, Jan 23 - Feb 2 $279.00, Dec 9 - Mar 24 $165.46, Feb 7 8:33 am $161.26, Jan 23 - Feb 12 $279.00, Dec 9 - Mar 24 $161.26, Jan 23 - Feb 12 $122.00, Feb 12 - Feb 23 $279.00, Dec 9 - Mar 24 $166.01, Feb 17 - Feb 23 $122.00, Feb 12 - Feb 23 $279.00, Dec 9 - Mar 24 $166.14, Feb 28 8:02 pm $121.00, Feb 28 8:02 pm $279.00, Dec 9 - Mar 24 $168.32, Mar 12 6:17 pm $120.00, Mar 12 6:17 pm $279.00, Dec 9 - Mar 24 $169.62, Mar 24 4:58 pm $118.00, Mar 24 - Apr 16 $259.00, Apr 5 - Apr 16 $190.81, Apr 5 - Apr 16 $118.00, Mar 24 - Apr 16
225,511 3,575,877
3,906,250
3,125,000
2,343,750
1,562,500
781,250
Oct
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2016
Price Details
New
Latest
$259.00 Apr 16, '16
Highest
$279.00 Dec 9, '15
Lowest
$90.80 Nov 11, '15
Average
$271.22 (30d avg) $276.41 (90d avg) $256.80 (180d avg) $250.04 (365d avg) $229.74 (Lifetime average)
Added
May 8, 2014
3rd Party New
Latest
$190.81 Apr 16, '16
Highest
$199.48 Jul 6, '15
Lowest
$148.94 Apr 29, '15
Average
$180.28 (30d avg) $168.46 (90d avg) $166.49 (180d avg) $172.06 (365d avg) $168.46 (Lifetime average)
Added
May 8, 2014
3rd Party Used
Latest
$118.00 Apr 16, '16
Highest
$240.93 May 27, '14
Lowest
$76.78 Aug 10, '15
Average
$118.00 (30d avg) $123.11 (90d avg) $127.33 (180d avg) $148.40 (365d avg) $162.66 (Lifetime average)
Added
May 8, 2014
Sales Rank
30 day average: 2,100,813 90 day average: 3,071,477
Product Description
The author gives a comprehensive overview of materials and components for noise control and acoustical comfort. Sound absorbers must meet acoustical and architectural requirements, which fibrous or porous material alone can meet. Basics and applications are demonstrated, with representative examples for spatial acoustics, free-field test facilities and canal linings. Acoustic engineers and construction professionals will find some new basic concepts and tools for developments in order to improve acoustical comfort. Interference absorbers, active resonators and micro-perforated absorbers of different materials and designs complete the list of applications.
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