Mackie SRM450 Vertical Polars, SRM450 Vertical Off-AxisFrequency Response UP, O F 6 P A G E S

SRM450 Active Speaker System

SRM450 Vertical Polars

90°
120°	60°
150°	30°
180°	0°
–36	–12
210°	330°
240°	°
	300
270°
90°
120°	60°
150°	30°
180°	0°
–36	–12
210°	330°
240°	°
	300
270°
90°
120°	60°
150°	30°
180°	0°
–36	–12
210°	330°

240°300°

270°

3 O F 6 P A G E S

200Hz

250Hz

315Hz

400Hz

1.25kHz

1.6kHz

2kHz

2.5kHz

8kHz

10kHz

12.5kHz

16kHz

90°
120°	60°
150°		30°
			500Hz
180°		0°	630Hz
			800Hz
–36	–12
			1kHz
210°		330°
240°	°
	300
270°
90°
120°	60°
150°		30°
			3.15kHz
180°		0°	4kHz
			5kHz
–36	–12
			6.3kHz
210°		330°

240°300°

270°

SRM450 Vertical Off-Axis Frequency Response (UP)

	10
(dB)	0				0 deg
					10 deg
Attenuation	–10				20 deg
					30 deg
	–20				40 deg
	–30
	20	100	1000	10000	20000

Frequency (Hz)

SRM450 Vertical Off-Axis Frequency Response (DOWN)

	10
(dB)	0				0 deg
					–10 deg
Attenuation	–10				–20 deg
					–30 deg
	–20				–40 deg
	–30
	20	100	1000	10000	20000

Frequency (Hz)