Electro-Voice T221 User Manual

Elechol/foice*
T221
Trapezoidal Stage
Speaker System
• PRO™ circuit provides HF
driver protection
• Integral stand mount
• Enclosure is arrayable
incorporating constant-
directivity 60° x 40° horn
• High output, 400-W,
12-inch woofer
• Roadworthy enclosure with
metal corners and grille, and
heavy-duty handles
• Biamped or full range operation-
simple biamp instructions included
inside the enclosure
SPECIFICATIONS
Frequency Response, Measured at 10 Feet
on Axis, Swept V1 -octave, Half-Space
Anechoic Environment (see Figure 1;
curve shown has been normalized for
1 watt/1 meter):
78-16,000 Hz
Low-Frequency 3-dB-Down Point:
78 Hz
Usable Low-Frequency Limit (10-dB-down
point):
62 Hz
Half-Space Reference Efficiency:
5.7 %
Long-Term Average Power-Handling
Capacity per ANSI/El A RS-426-A 1980 (see
Power-Handling Capacity section):
400 watts
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 ANSI/EIA RS-426-A
1980):
400 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 (200-1,200 Hz):
100 dB
High Frequency (1,200-5,000 Hz):
112 dB
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 (200-1,200 Hz):
126 dB/133 dB
High Frequency (1,200-5,000 Hz):
129 dB/135 dB
Impedance,
Nominal (low frequency/
high frequency):
8 ohms/8 ohms
Minimum (low frequency/
high frequency):
7.0 ohms/6.3 ohms
Average Efficiency
Low Frequency:
5.7%
High Frequency:
25%
Nominal Coverage Angle,
Horizontal:
60°
Vertical:
40°
Beamwidth (angle included by 6-dB-down
points on polar responses, indicated one-
third-octave bands of pink noise, see
Figure 4),
3,000 to 16,000 Hz Horizontal:
60° (+13°, -9°)
2,000 to 16,000 Hz Vertical:
40° (+20°, -2°)
Directivity Factor R0(Q), 800-to 16,000-Hz
Median (see Figure 4):
19.1 (+11.8,-13.1)
Directivity Index D,, 800-to 16,000-Hz
Median (see Figure 4):
12.8 dB (+2.3 dB, -5 dB)
Distortion Response (40 W), 10% Rated
Input Power (on axis at 1 meter from
system; see Figure 5),
Second Harmonic,
100 Hz:
3.5%
1,000 Hz:
1%
10,000 Hz:
15.8%
Third Harmonic,
100 Hz:
0.89%
1,000 Hz:
2
.
2
%
10,000 Hz:
7.1%
Transducer Complement,
Low Frequency:
High-performance 305-mm (12-in.)
woofer in a vented enclosure
High Frequency:
HP64M 60° x 40° horn mounted to
DH2T compression driver
Box Tuning Frequency:
75 Hz
Driver Protection, High Frequency:
Solid-state self-resetting circuit (PRO™
circuit) drops input 6 dB; blocking
capacitor with 800-Hz corner frequency
and 6-dB-per-octave slope
Enclosure Materials and Color:
7-ply void-free plywood covered with black
carpet
Grille:
Black powder coated, vibration-resistant,
steel, removable