Kramer Electronics spk-cs20, spk-cs12 Bass port for a bass reflex effect for educational models

•A bass port for a bass reflex effect (for educational models)

Figure 1: Tile Size ESD Ceiling Speaker (that fits into the ceiling)

The speaker is easily installed and is available in eight different models: PRO or EDU, stereo or mono, tile size or half-tile size configurations, and a slightly smaller size (for any region with suspended ceiling tiles of 595mm) as defined here:

Complete K-overage ESD® Ceiling Speakers Available Models

	Model Name	Part Number	Description
	Professional		• Polypropylene woofer, surrounded with rubber
		SPK-C812	•	2 left and 2 right silk dome tweeters
	tile size stereo
			•	No bass reflex
	Professional		• Polypropylene woofer, surrounded with rubber
		SPK-C813	•	4 silk dome tweeters
	tile size mono
			•	No bass reflex
	Professional		•	Polypropylene woofer, surrounded with rubber
	half-tile size	SPK-C814	•	2 left and 2 right silk dome tweeters
	stereo		•	No bass reflex
	Professional		•	Polypropylene woofer, surrounded with rubber
	half-tile size	SPK-C815	•	4 silk dome tweeters
	mono		•	No bass reflex
	Educational tile		• Paper cone woofer, surrounded with rubber
		SPK-C816	•	2 left and 2 right Ti pivoting tweeters, installer adjusted
	size stereo
			•	Bass reflex
	Educational tile		• Paper cone woofer, surrounded with rubber
		SPK-C817	•	4 Ti pivoting tweeters, installer adjusted
	size mono
			•	Bass reflex
	Educational		•	Paper cone woofer, surrounded with rubber
	half-tile size	SPK-C818	•	2 left and 2 right Ti pivoting tweeters, installer adjusted
	stereo		•	Bass reflex
	Educational		•	Paper cone woofer, surrounded with rubber
	half-tile size	SPK-C819	•	4 Ti pivoting tweeters, installer adjusted
	mono		•	Bass reflex
	Professional		•	Polypropylene woofer, surrounded with rubber
	Tile size stereo
		SPK-C820	•	2 left and 2 right silk dome tweeters
	(for 595mm
			•	No bass reflex
	tiles)
4				ESD Ceiling Speaker - Overview