Specification

8S215 Specification

Application		Low-middle
Nominal Impendance:	Ohm	8
Power handling AES noise:	W	200
Sensitivity (1 W / 1 m):	dB	96
Frequency response:	Hz	80 – 3000
Voice Coil Diameter:	mm	51 (2″)
Voice Coil Material:		Cu
Voice Coil Winding Depth:	mm	15
Magnet Gap Depth:	mm	6.5
Basket:		Cast Aluminum
Effect. diaphragm diameter D	mm	168

Recommended reflex enclosure:
4 L / 108 Hz, BRD = 60 mm / 127 mm long
7 L / 82 Hz, BRD = 60 mm / 126 mm long
10 L / 70 Hz, BRD = 60 mm / 111 mm long

Thiele-Small

8S215 Thiele-Small Parameters

Resonance Frequency:	Fs	Hz	87.7
DC Resistance:	Re	Ohm	5.4
Mechanical Q Factor:	Qms		4.4
Electrical Q Factor:	Qes		0.33
Total Quality Factor:	Qts		0.31
Equivalent Volume:	Vas	L	11.04
Moving Mass:	Mms	kg	0.0206
Mechanical Complience:	Cms	mm / N	0.16
BL Factor:	BL	Tesla m	13.6
Effective Piston Area:	Sd	m²	0.0222
Max. linear Excursion:	Xmax	mm	+/- 4.25
Voice Coil Inductance:	Le1k	mH	0.2
	Le10k	mH	0.12

Mounting & Drawing

8S215 Drawing

8S215 Mounting Information

Overall Diameter:	mm	205
Mounting Holes Diameter:	mm	4 x (6 x 6.5)
Bolt Circle Diameter:	mm	196
Baffle cut-out Diameter:	mm	182
Overall depth:	mm	100
Net Weight:	kg	3.25

Curves

8S215 Curves

Frequency Response measured 100 W (28.3 V)
at 1 m in a closed enclosure of 25 litre in an anechoic chamber incl. 2nd and 3rd harmonic distortion raised 10 dB.