PIM-122
(standard configuration)
12-Inch, Two-Way System
for Permanent Installation,
Horn-Loaded HF
• Part of PI Matrix Series
TM
—compact
trapezoidal systems for permanent
installation
• Components and physical characteristics
optional, to meet many acoustic, architec-
tural and mechanical requirements
• 50-Hz low end for speech and many music
applications
• Three HF coverages—60° x 40°, 60° x 60°
or 90° x 40° (standard)
• PRO
TM
circuit HF protection
• For biamplification (standard); passive
network optional
• Integral suspension system for safe and
easy installation
SPL at Full Power (far-field SPL at 1 watt/
1 meter referred to full power, anechoic
environment, band-limited pink noise),
Long-Term Average/Peak,
Low Frequency (100-800 Hz):
120 dB/126 dB
High Frequency (500-5,000 Hz):
129 dB/135 dB
Impedance,
Nominal (low frequency/
high frequency):
8 ohms/8 ohms
Minimum (low frequency/
high frequency):
8.0 ohms/5.6 ohms
Average Efficiency,
Low Frequency: 4.5%
High Frequency: 25%
SPECIFICATIONS
Versions Available:
See PIM-122 ordering matrix (Figure 1)
Typical Axial Frequency Response with
Presets of Dx34 Digital Speaker System
Processor (swept sine-wave input,
anechoic environment, 4 volts at 1 kHz
at 10 feet; see Figure 2):
50-18,000 Hz
Typical Axial Frequency Response of
High- and Low-Frequency Sections Alone
(swept sine-wave input, anechoic
environment, 4 volts at 10 feet normalized
for 1 watt at 1 meter; see Figure 3):
50-18,000 Hz
Low-Frequency 3-dB-Down Point:
50 Hz
Usable Low-Frequency Limit
(10-dB-down point):
35 Hz
Recommended Crossover Frequency:
1,200 Hz
Crossover Slopes,
Recommended:
24 dB per octave
Minimum:
12 dB per octave
Long-Term Average Power-Handling
Capacity (see Power-Handling Test
section),
Low Frequency (per EIA RS-426-A 1980):
300 watts
High Frequency (per AES2-1984/ANSI
S4.26-1984):
60 watts
Sensitivity (far-field SPL referred to
1 meter, 1-watt input, anechoic environ-
ment, band-limited pink noise),
Low Frequency (100-800 Hz):
95 dB
High Frequency (500-5,000 Hz):
111 dB
Nominal Coverage Angle,
Horizontal: 90°
Vertical: 40°
Beamwidth (angle included by 6-dB-down
points on polar responses, indicated one-
third-octave bands of pink noise, Dx34
presets employed; see Figure 4):
1,250 to 16,000 Hz Horizontal:
90° (+12°, –10°)
3,150 to 16,000 Hz Vertical:
40° (+9, –8°)
Directivity Factor R
θθθθθ
(Q), 500- to 16,000-Hz
Median (see Figure 5):
12.8 (+12.6, –9.9)
Directivity Index D
i
, 500- to 16,000-Hz
Median (see Figure 5):
11.1 dB (+11.0 dB, –9.9 dB)
FIGURE 1 — PIM-122 Ordering Matrix
