QSC ISA 280 Manuel De L'utilisateur page 11

Specifications: ISA 300Ti, ISA 500Ti, and ISA 800Ti
OUTPUT POWER in watts
FTC:
8 ohms, 2 channels driven
(20 Hz - 20 kHz, 0.1% THD)
4 ohms 2 channels driven
(20 Hz - 20 kHz, 0.1% THD)
EIA:
16 ohms, 1 channel driven
(1 kHz, 0.1% THD)
8 ohms, 1 channel driven
(1 kHz, 0.1% THD)
4 ohms, 1 channel driven
(1 kHz, 0.1% THD)
2 ohms, 2 channels driven
(1 kHz, 1.0% THD)
Bridged Mono:
16 ohms
(20 Hz - 20 kHz, 0.1% THD)
8 ohms
(1 kHz, 0.1% THD)
4 ohms
(1 kHz, 1.0% THD)
Distributed High Impedance (per channel):
70 Volt per channel
(50 Hz - 16 kHz, 0.5% THD)
100 Volt per channel
(50 Hz - 16 kHz, 0.5% THD)
140 Volt bridged, single channel
(50 Hz - 16 kHz, 0.5% THD)
200 Volt bridged, single channel
(50 Hz - 16 kHz, 0.5% THD)
FREQUENCY RESPONSE
Direct Outputs
Isolated Outputs
OUTPUT REGULATION
INPUT SENSITIVITY
Direct Low Impedance Outputs
Isolated Distributed Line Outputs (Ti only)
Full load, 70/100V
VOLTAGE GAIN
Direct Low Impedance Outputs
OUTPUT CIRCUIT TYPE
CURRENT CONSUMPTION (Ampere, rms, both channels driven, 120 VAC*)
Idle
1/8 power**, 8 ohms
1/8 power**, 4 ohms
1/8 power**, 2 ohms
1/8 power**, 70V/100V
* NOTE: for 240 VAC models, multiply all values by 0.5 (one-half).
** NOTE: 1/8 power is representative of typical program material with occasional clipping.
WEIGHT
ISA 300Ti
185
280
100
200
300
430
370
600
830
300
300
600
600
-3.0, -0.5 dB: 50 Hz to 20 kHz (LF filter 50 Hz, 10 dB from rated power)
+0.0, -3.0: 50 Hz to 16 kHz (LF filter 50 Hz, at -10 dB from rated power)
1.5 dB no-load to full-load
+3.43 dBu (1.15 Vrms)
+2.20 dBu (1.00) Vrms)
30.5 dB (33.4 x)
AB
0.5
3.0
4.5
6.5
5.5
44 pounds (20.0 kg)
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
ISA 500Ti
260
400
140
280
450
700
520
900
1400
500
500
1000
1000
+2.81 dBu (1.07 Vrms)
+1.80 dBu (0.95 Vrms)
33.0 dB (44.7 x)
AB
0.5
3.7
6.0
9.3
6.9
44 pounds (20.0 kg)
ISA 800Ti
450
650
250
475
750
1200
900
1500
2400
800
800
1600
1600
+2.81 dBu (1.07 Vrms)
+1.80 dBu (0.95 Vrms)
35.0 dB (56.2 x)
H 2-tier
0.6
4.0
6.3
9.2
8.5
55 pounds (25.0 kg)
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