| System Type
| 2x 15" subwoofer |
1x 18" subwoofer |
2x 18" subwoofer |
| Model |
IS1215 (W) |
IS1118 (W) |
IS1218 (W) |
| Specifications |
Parallel Mode |
Discrete Mode |
- |
Parallel Mode |
Discrete Mode |
| Frequency Range (-10dB)(4π)*1 |
40 Hz-2.5k
Hz |
33 Hz-3k Hz |
33 Hz-3k Hz |
| Frequency Range (±3dB)(4π)*1 |
50 Hz-2k Hz |
40 Hz-2.5k Hz |
40 Hz-2.3k
Hz |
| Nominal Coverage (H x V, -6dB) |
Ported, tuned
to 50 Hz |
Ported, tuned to 40 Hz |
Ported, tuned
to 40 Hz |
| Power Rating |
1400 W (AES) |
2 x 700 W(AES) |
700 W (AES) |
1400 W (AES) |
2 x 700 W (AES) |
| Nominal Impedance |
4 ohms |
2 x 8 ohms |
8 ohms |
4 ohms |
2 x 8 ohms |
| Sensitivity (1W@1m) |
97 dB SPL |
100 dB SPL |
96 dB SPL |
99 dB SPL |
102 dB SPL |
| Calculated Peak SPL |
134 dB SPL |
134 dB SPL |
130 dB SPL |
136 dB SPL |
136 dB SPL |
| Calcurated Continiuous SPL |
128 dB SPL |
128 dB SPL |
124 dB SPL |
130 dB SPL |
130 dB SPL |
| Components |
| LF |
2x 15" (38
cm) Woofer,
4" (100 mm) Voice Coil |
18" (46 cm) Woofer,
4" (100 mm) Voice Coil |
2x 18" (46
cm) Woofer,
4" (100 mm) Voice Coil |
| HF |
n/a |
n/a |
n/a |
| Enclosure |
Dimensions
(W x D x H) |
448 x 610 x
883 mm
17.6 x 24.0 x 34.8 in |
610 x 709 x 591 mm
24.0 x 27.9 x 23.3 in |
610 x 709 x
1,006 mm
24.0 x 27.9 x 39.6 in |
| Weight |
54 kg (118
lbs) |
38 kg (84 lbs) |
66 kg (145
lbs) |
| Shape |
Rectangular |
Rectangular |
Rectangular |
| Grill |
Power coated
perforated steel backed with
acoustically transparent
reticulated foam |
Power coated perforated
steel backed with acoustically
transparent reticulated foam |
Power coated
perforated steel backed with
acoustically transparent
reticulated foam |
| Finish |
Texured Black
(Texured White) |
Texured Black (Texured
White) |
Texured Black
(Texured White) |
| Connectors |
1 x Neutric
NL4 and barrier strip, wired
in parallel |
1 x Neutric NL4 and barrier
strip, wired in parallel |
1 x Neutric
NL4 and barrier strip, wired
in parallel |
| Flying Hardware |
12 x M10 for
shoulder eyebolts |
12 x M10 for shoulder eyebolts |
12 x M10 for
shoulder eyebolts |
| Optional Accessory |
| U-bracket |
n/a |
n/a |
n/a |
| Array Frame |
n/a |
HAF3-S18 (W) |
HAF3-S18 (W) |