16
TECHNICAL INFORMATION
Amplifier Section
Low-frequency power amplifier:
Rated Power (at 1kHz with 1% THD):
100 watts
In Japan (100 VAC):
67 watts
Rated Load Impedance:
4
Ω
Slew Rate:
15V/
µ
S
Distortion (THD, SMPTE IMD, DIM 100):
< 0.035%
Signal-to-Noise
(20Hz-20kHz, unweighted, referenced to 100W into 4
Ω
):
> 101 dB
Cooling:
Convection
Design:
Monolithic IC, Class AB,
Parametric Servo
Feedback
High-frequency power amplifier:
Rated Power(at 1kHz with 1% THD):
40 watts
In Japan (100 VAC):
28 watts
Rated Load Impedance:
8
Ω
Slew Rate:
15V/
µ
S
Distortion (THD, SMPTE IMD, DIM 100):
< 0.035%
Signal-to-Noise
(20Hz-20kHz, unweighted, referenced to 40W into 8
Ω
):
> 93 dB
Cooling:
Convection
Design:
Monolithic IC,
Conventional Class AB
System Specifications
Input Type:
Balanced Differential
(XLR and 1/4" TRS)
Unbalanced (RCA)
Input Impedance:
20k
Ω
Balanced
10k
Ω
Unbalanced
Input Protection:
RFI and Level Protected
Input Sensitivity:
+4 dBu @ 300Hz for full
output
Maximum Input Level:
+20 dBu
Low Cut Frequency:
80Hz, 2nd Order,
Butterworth
HF Equalization:
Shelving
±
2 dB @ 10kHz
Acoustic Space:
A position:
–4 dB @ 42Hz, shelving
B position:
–2 dB @ 42Hz, shelving
C position:
flat
Compressor:
Independent high and low frequency overload detection
Enclosure Alignment:
6
th
Order
Over Excursion Prevention:
2
nd
Order High-Pass Filter
Low Line Voltage Shut Down:
67% of Nominal Line
Thermal Protection:
Amplifier Shut-Down,
Auto Reset
Muting:
5 seconds at turn-on
Signal Sense Threshold:
–74 dBu (0.155 mV)
Driver Protection:
Compressor with
independent LF and HF
overload detection
Specifications
Enclosure
Materials and Construction:
5
⁄
8
-inch (16mm) thick MDF construction with 1-inch
(25.4mm) thick MDF front panel with radiused edges to
minimize diffraction.
Proprietary die-cast zinc exponential wave guide for
controlled, wide dispersion from high-frequency driver.
Two internal “H” braces adds to cabinet stiffness.
Open cell adiabatic “foam fill” acoustical damping mate-
rial absorbs internal reflections, preventing delayed
sound coloration.
Flush-mount connector system allows monitor to be
placed against a wall without need for connector clearance.
Transducers
Low-frequency driver:
Number of drivers:
2
Diameter:
6.7 inches (170 mm)
Sensitivity (2.83V, 1 m):
89 dB SPL
Nominal Impedance:
8
Ω
Voice Coil Diameter:
1.25 inches (32 mm)
Power Handling (Long Term/Program):
50/150 watts
Frequency Range:
38Hz to 6kHz
Frame:
Die Cast Aluminum
Magnet:
Ferrite
Bucking Magnet (Shield):
Ferrite
High-frequency driver:
Sensitivity (2.83V, 1m):
91 dB SPL
Nominal Impedance:
6
Ω
Power Handling (Long Term/Program):
20/50 watts
Frequency Range:
1.6kHz to 22kHz
Diaphragm/Suspension:
Aluminum/Impregnated
Cloth
Voice Coil Diameter:
1.0 inch (25.4mm)
Magnet:
Ferrite
Bucking Magnet (Shield):
Ferrite
Wave Guide:
Frequency Response:
2.5kHz to 20kHz,
±
2 dB
Mouth Size:
6.13 inches diameter
(156 mm)
Horizontal and Vertical Coverage:
120º,
±
10º
3kHz to 20kHz
Passive Radiator:
6-inch x 9-inch (152mm x 228mm) mass-loaded
elliptical flat piston with variable thickness filleted edge
rubber surround.
Crossover Section
Crossover Type:
Modified Butterworth, 18 dB/octave @ 1.8kHz
