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HD1521: 15" 2-Way Loudspeaker HD1531: 15" 3-Way Loudspeaker HD1801: 18" Subwoofer HDA: 12" 2-Way Arrayable Loudspeaker HD1521: 15" 2-Way Loudspeaker HD1521: 15" 2-Way Loudspeaker HD1501: 15" Subwoofer HD1531: 15" 3-Way Loudspeaker HD1801: 18" Subwoofer HD1221: 12" 2-Way Loudspeaker HD1501: 15" Subwoofer HD1221: 12" 2-Way Loudspeaker HDA: 12" 2-Way Arrayable Loudspeaker HD1801: 18" Subwoofer
HD1221 Photos Power Max SPL Peak Freq Response Physical

Spec Sheet
Manual
Mackie Active
HD Explained
The Real Max SPL
Front
Rear
Rear Panel
3 Quarter
Stand/Pole
Wedge
SYS:   600W RMS
  1200W Peak
LF:   500W RMS
  1000W Peak
HF:   100W RMS
  200W Peak
Calculated1:
133 dB @ 1 m

Measured2:
124 dB @ 1 m
-10 dB:
55 Hz - 20 kHz

-3:
65 Hz - 18 kHz
90 x 50 rotatable horn
24.0 x 15.2 x 15.0" 
610 x 386 x 381 mm 
50 lb / 22.7 kg
 
HD1521 Photos Power Max SPL Peak Freq Response Physical

Spec Sheet
Manual
EASE
Mackie Active
HD Explained
The Real Max SPL
Brochure
Front
Rear Panel
Quarter View
Half Grill
Stand/Pole
Flown Horz
Flown Vert
SYS:   800W RMS
  1600W Peak
LF:   700W RMS
  1400W Peak
HF:   100W RMS
  200W Peak
Calculated1:
135 dB @ 1 m

Measured2:
125 dB @ 1 m
-10 dB:
40 Hz - 20 kHz

-3:
50 Hz - 18 kHz
80 x 50 rotatable horn
30.0 x 18.3 x 18.8"
752 x 464 x 478 mm
80.0 lb / 36.3 kg
 
HD1531 Photos Power Max SPL Peak Freq Response Physical

Spec Sheet
Manual
EASE
Mackie Active
HD Explained
The Real Max SPL
Brochure
Front
Rear Panel
Quarter View
Half Grill
Stand/Pole
Flown Horz
Flown Vert
SYS:   900W RMS
  1800W Peak
LF:   700W RMS
  1400W Peak
MF:   100W RMS
  200W Peak
HF:   100W RMS
  200W Peak
Calculated1:
135 dB @ 1 m

Measured2:
126 dB @ 1 m
-10 dB:
38 Hz - 20 kHz

-3:
50 Hz - 18 kHz
90 x 40 waveguide
35.4 x 18.3 x 18.8"
900 x 464 x 478 mm
96.0 lb / 43.5 kg
 
HDA Photos Power Max SPL Peak Freq Response Physical

Spec Sheet
Manual
ACC-R280S Instructions
FB221 Instructions
Mackie Active
HD Explained
The Real Max SPL
Front
Rear
Rear Panel
Bottom
Quarter View
Side
No Grille
Small Array 3 Qtr
Full Array 3 Qtr
Pole Mount Single
Pole Mount Double
Array Rear Close-up
Ground Stack on Flybar
Ground Stack on Sub
SYS:   600W RMS
  1200W Peak
LF:   500W RMS
  1000W Peak
HF:   100W RMS
  200W Peak
Calculated1:
135 dB @ 1 m

Measured2:
124 dB @ 1 m
-10 dB:
55 Hz - 20 kHz

-3:
65 Hz - 18 kHz
110 x 20 constant curvature
27.1 x 19.8 x 20.9" 
688 x 502 x 532 mm 
59 lb / 26.7 kg
 
HD1501 Photos Power Max SPL Peak Freq Response Physical

Spec Sheet
Manual
Front
Rear Panel
Quarter View
Stand/Pole
600W RMS
1200W Peak
Calculated3:
131 dB @ 1 m

Measured4:
126 dB @ 1 m
-10 dB:
35 Hz - 145 Hz

-3:
43 Hz - 92 Hz
20.0 x 18.25 x 25.0"
508 x 464 x 635 mm
80.0 lb / 36.3 kg
 
HD1801 Photos Power Max SPL Peak Freq Response Physical

Spec Sheet
Manual
ACC-R280S Instructions
FB221 Instructions
Caster Kit Instructions
Front
Rear Panel
Quarter View
Stand/Pole
800W RMS
1600W Peak
Calculated3:
133 dB @ 1 m

Measured4:
129 dB @ 1 m
-10 dB:
35 Hz - 145 kHz

-3:
44 Hz - 95 kHz
23.0 x 23.0 x 25.8"
584 x 584 x 655 mm
106.0 lb / 48.1 kg
 
  1 Calculated from driver sensitivity and amplifer power.
2 Measured with pink noise, free field at 1 meter, before limiting.
3 Calculated from peak driver sensitivity and amplifer power, half space.
4 Measured with swept sine at 1 W within operating range, scaled for max power, half space.