Specifications
SPECIFICATIONS
Power Rating
(Program Material)
Single Amplifier
lnput..200 watts max.
Low-Frequency lnput
(Biamplification
Mode)..200 watts max.
High-Frequency lnput
(Biamplification
Mode)..100 watts max.
Power Load for
Constant-Voltage
Operation
....................
39 watts
(25-volt input, 16 ohms)
50 watts
(70.7-volt input, through
optional
A102A Transformer)
Impedance
....................
36 ohms nominal for both con-
ventional full-range and biam-
plified operation (see Figure B)
Frequency Response
....
40 Hz
-
15 kHz
(see Figure C)
Crossover Frequency
....
2600 Hz nominal
Sound Pressure
Level (SPL)
..................
ElA rating: 54 dB at 9.2m (30
feet) from 1 milliwatt; equiva-
lent to 102 dB at
1.2m (4 feet)
with I-watt input
Total Harmonic
Distortion
....................
Less than 2% at 1 kHz and 10
kHz; less than 3% at 100 Hz
[measured at
1.8m
(6
feet) and
106 dB SPL]
Phasing (Polarity)
Single Amplifier
Input-.Positive voltage applied to phone
plug tip produces positive
sound pressure.
Biamplification
Mode..Low Frequency: Positive voltage
applied to phone plug tip pro-
duces positive sound pressure.
High Frequency: Positive voltage
applied to phone plug tip pro-
duces negative sound pressure.
High-Frequency
Section
........................
120" radial horn
Horizontal Distribution
..140° (see Figure D)
Vertical Distribution
......
90" (1 kHz -10 dB)
Operating Temperature..
-
7" to 43°C (20" to 110°F)
Storage Temperature
....
-
29" to 71 "C
(-
20" to 160°F)
Connectors
......................
Two parallel-wired phone jacks
for each input: conventional
full-range, low frequency and
high frequency
Overall Dimensions
(see Figure E)
..............
1730 mm height
x
495 mm width
x
517 mm depth (68% in.
X
19% in.
x
20% in.)
Weight
..........................
-64.5 kg (142 Ib) incl. cable
Construction
....................
15.9 mm
(%
in.) wood, black
vinyl finish, gold-painted metal
grille, anodized aluminum rear
panel rails, structural urethane
foam horn
Supplied Accessories
....
One 15.2m (50-foot) heavy-duty
cable with phone plugs
(RKC4)
Optional Accessories
....
A102A 70-Volt Transformer
A50XC 15.2m (50-foot) Extension
Cable with male and female
phone plugs
RKC4
15.2m (50-foot) Heavy-Duty
Cable with male phone plugs
(for biamplified operation)
80
70
60
5
0
40
30
20
10
0
20 40
60
100
200 400 600 IK 2K 4K 6K IOK 2OK
FREQUENCY
(HZ)
FIGURE
B.
IMPEDANCE CURVE
FREQUENCY
(HZ)
FIGURE C.
TYPICAL FREQUENCY RESPONSE
105
0
-
95
X
Y
u
TO Z"
STERAMAN
5
LWDSPEAKER OPERATION
SWW
1
75
LEGEND
/I I
I
-----
I-
'?
I(::
1
...........
8
KHz
FIGURE D.
TYPICAL HORIZONTAL POLAR PATTERN
1111l1
I
I lllllll I\U
20
40
W
I00
200
400
WO IK 2K 4K
BK
IOK
20K