Alto MAC 2.2, MAC 2.3, MAC 2.4 Manual do utilizador - Página 11
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6.2 Caution for Speaker Connection
The output capacity of MAC 2.2/2.3/2.4 stereo power amplifier is very high, be sure to use a speaker system that has
sufficient input capacity. If the input capacity of your speaker system is lower than the rated output of the MAC 2.2/
2.3/2.4 stereo power amplifier, you can protect your speakers by connecting a fuse serially between the speaker and
the amplifier as shown below.
ON
OFF
POWER
Use the following formula to determine the fuse capacity according to the speaker's input capacity.
Po[W] : Speaker's continuous input capacity (noise or RMS)
R[ ] : Speaker's nominal impedance
I[A] : Required fuse capacity
As to the speaker cable, if you use a long one, use as thick a cable as possible to prevent deterioration of the
damping factor or power loss inside the cable.
7. TECHNICAL SPECIFICATIONS
7.1 Specifications
POWER SPECIFICATIONS
STEREO MODE
(Both channels driven)
20Hz~20KHz
Bridge Mono Mode
20Hz~20kHz
ELECTRICAL SPECIFICATIONS
INPUT SENSITIVITY
INPUT IMPEDANCE
FREQUENCY RESPONSE
(at 10dB below rated output power)
VOLTAGE GAIN
DISTORTION(SMPTE-1M)
S/N ratio
GENERAL SPECIFICATIONS
PROTECTIONS
CONTROLS
INDICATORS
CONNECTORS
POWER SUPPLY
DIMENSIONS
WEIGHT
(+)
(-)
Output
CH1
CH2
POWER
PROT
CLIP
SIG
2
Po=I R
I= Po/R
MAC 2.2
480
2 Ohms
300
4 Ohms
205
8 Ohms
560
8 Ohms
800
4 Ohms
600W
1.15V(+3.4dBu)
10K
Unbalanced
25Hz~25KHz +0/-1dB
-3dB points: 5Hz~50KHz
30dB
<0.03%
100dB
600W
Full short circuit, open circuit, thermal, ultrasonic, and RF protection stable into reactive
or mismatched loads, turn ON/OFF, muting, tried crowbar.
Front: AC switch 40-detect input level control for each channel.
Rear: stereo/ parallel/ bridged selector, 30Hz filter selector clip ON/OFF selector.
SIGNAL: 2 green LED
POWER: 1 Blue LED
INPUT : Active balanced XLR and 1/4"(6.3mm)TRS
OUTPUT: "Touch-proof" binding posts and speak-on jacks.
Available for 110-120V or 220~240V AC, 50/60Hz
483(W) 400(D) 88.8(H)mm
14.4kg
10
Fuse
+
Speaker
-
System
MAC 2.3
800
450
310
900
1400
900W
1.15V(+3.4dBu)
20K
Balanced
32dB
<0.03%
100dB
900W
CLIP:
2 red LED
PROTECTION: 1 red LED
16.54kg
MAC 2.4
1400
750
575
1500
2500
1500W
1.15V(+3.4dBu)
34dB
<0.03%
100dB
1500W
19.02kg