Mackie FR Series M-1200, Service Manual

Page: 9 / 38

VERSION 1.1
SPECIFICATIONS
7
RISE TIME:
< 4.4µs
SLEW RATE:
Voltage Slew Rate > 50V/µs
> 100V/µs bridged
Current Slew Rate > 32A/µs at 2 Ω
CMRR:
> 40 dB, 20Hz to 20kHz
LOAD ANGLE:
8(±jx) time independent at 8 Ω
4(±jx) time dependent, T > 6 min. at 4 Ω
2(1±jx) time dependent, T > 2 min. at 2 Ω
TRANSIENT RECOVERY:
< 1µs for 20 dB overdrive @ 1kHz
HIGH FREQUENCY OVERLOAD AND
LATCHING:
No latch up at any frequency or level.
HIGH FREQUENCY STABILITY:
Unconditionally stable driving any reactive or
capacitive load.
TURN ON DELAY:
3 seconds
VARIABLE LOW-CUT FILTER:
10Hz (Off) to 170Hz, 2nd Order Bessel
SUBWOOFER LOW-PASS FILTER:
Switched: 63Hz/125Hz, 3rd Order Bessel
CONSTANT DIRECTIVITY HIGH
FREQUENCY BOOST:
2kHz to 6kHz (+3 dB points)
6 dB/octave high-frequency shelving filter,
(shelving occurs at approximately 30kHz)
LIMITER SECTION:
Complementary Positive and Negative Peak
Detecting
INDICATORS:
6 meter LEDs per channel
SIG (Signal Present), –20, –9, –6, –3, OL
(Overload)
CH 1 & 2
PROTECT LEDs
SHORT LEDs
TEMP STATUS
COLD/HOT LEDs
POWER CONSUMPTION:
65 watts at idle
900 watts with musical program fully loaded
(2 ohms per side, or 4 ohms bridged)
550 watts with musical program fully loaded
(4 ohms per side, or 8 ohms bridged)
850 watts at full power into 8 ohms
(continuous sine wave)
1500 watts at full power into 4 ohms
(continuous sine wave)
2500 watts at full power into 2 ohms
(continuous sine wave)
AC LINE POWER:
US 120VAC, 60Hz
Europe 240VAC, 50/60Hz
Japan 100VAC, 50/60Hz
Korea 220VAC, 60Hz
AC DROP-OUT VOLTAGE:
At approximately 50% of rated line voltage
PHYSICAL:
Height 3.5 inches (89mm)
Width 19.0 inches (483mm)
Depth 15.25 inches (387mm)
Overall Depth 16.25 inches (413mm)
Handle Depth 1.25 inches (32mm)
Weight 36 pounds (16.3kg)
Since we are always striving to make our stuff
better at Mackie Designs by incorporating new
and improved materials, components, and
manufacturing methods, we reserve the right to
change these specifications at any time
without notice.