Focal 690 CA1 specifications Parameters Frequency Response / Impedance, Mechanical Drawing

690 CA1

6 ’ ’ x 9 ’ ’ A c c e s s 1 c o a x i a l ( A f t e r s a l e s D p t r e f : 6 ’ ’ x 9 ’ ’ C A 1

• Adjustable aluminum inverted dome tweeter	Specifications
• All weather woven resistant glass fiber cone
• Voice coil cooling system	Nominal power	75 W
	Maximum power 150 W
	Sensitivity	91 dB
	Cone	Braided glass fi ber®
	Surround	Butyl
	Nom. impedance 4 ohms
	DC resistance	4 ohms
	VC diameter	30 mm	1-3/16 in
	VC height	11 mm	7/16 in
	Former	Kapton®
	Layers	2
	Wire	Copper
	Inductance
	Xmax	2.5 mm	1/16 in
	Magnet d x h	90 x 15 mm	3-9/16x9/16in
	Magnet weight	0.4 kg	0.88 Ib
	Flux density	0.95 T
	Gap height	6 mm	1/4 in
	Net weight	1.1 kg	2.42 Ib

Parameters

Frequency Response / Impedance

dB SPL				Ohms
100			0°	110
95				100
90				90
85				80
80				75
75			30°	60
70				55
65				40
60				30
55				20
50				10
10	100	1000	10 000

Log Frequency - Hz

Mechanical Drawing

Fs	54 Hz
Vas	25.79 I
Qts	0.86
Qes	1
Qms	6.51
Re	4.02 ohms
Sd	221 cm2
Cas	1.85E-07 m5/N
Mas	46.97 kg/m4
Ras	2448 ohms.ac
Cms	3.76E-04 m/N
Mms	23.08 g
Rms	1.203 kg/s
Ces	736.83 mF
Les	11.79 mH
Res	26.04 ohms
BI	5.6 N/A
SPL	87.96 dB/W/m

Suggested application

Load	V (l)	Fb (Hz)	F-3 (Hz)	Ql
Sealed	150	-	47	0.93
Sealed	-	-	-	-
Sealed	-	-	-	-

		166.5
		238.4	166.4
			6
AS050926/2	120		93.1
-		90
-JMlab
		222	149
©Focal			Unit : mm
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