QSC ISA280 Technical & Service Manual page 8
Isa series
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Also See for ISA280:
- User manual (56 pages) ,
- Specifications (2 pages) ,
- User manual (40 pages)
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ISA Series Performance Specifications (continued)
INPUT IMPEDANCE
CONTROLS
INDICATORS
CONNECTORS
COOLING
AMPLIFIER PROTECTION
LOAD PROTECTION
OUTPUT CIRCUIT TYPE
DIMENSIONS
WEIGHT Shipping:
Net:
POWER REQUIREMENTS
POWER CONSUMPTION @ 120 VAC
(both channels driven)
Multiply currents by 0.5 for 230V units
6
ISA 280 & ISA 300Ti
ISA 450 & ISA 500Ti
10 kΩ unbalanced
20 kΩ balanced
Front: AC switch, Ch. 1 and Ch. 2 gain
Rear: 10-position DIP switch
POWER:
Green LED
SIGNAL:
Yellow LED, 1 per channel
Input:
Active balanced; XLR (pin 2 +) and detachable Euro-style terminal blocks
Output:
Screw terminals with safety shroud
DataPort V2: HD-15 female
Continuously variable speed fan, back-to-front air flow
Full short circuit, open circuit, thermal, ultrasonic, and RF protection
Stable into reactive or mismatched loads
Turn-on/turn-off muting, AC coupling, triac crowbar (on each channel)
AB
AB
AB: Class AB+B complementary linear output
H: Class AB+B complementary linear output with Class H 2- or 3-tier high efficiency circuit
19.0" (48.3 cm) wide, 5.25" (13.3 cm) tall (3 rack spaces)
15.9" (40 cm) deep (rack mounting to rear support ears)
ISA 280: 42 lb (19.1 kg)
ISA 450: 46 lb (20.9 kg)
ISA 300Ti: 50 lb (22.7 kg)
ISA 500Ti: 55 lb (25 kg)
ISA 280: 35 lb (15.9 kg)
ISA 450: 40 lb (18.2 kg)
ISA 300Ti: 44 lb (20 kg)
ISA 500Ti: 49 lb (22.3 kg)
Available for 120 or 220–240 VAC, 50/60 Hz
1
2
3
T
p y
c i
l a
F
l l u
M
x a
T
p y
d I
e l
0
5 .
A
d I
e l
8 Ω Ω Ω Ω Ω
8 Ω Ω Ω Ω Ω
3
A
4
1 .
A
7
4 .
A
4 Ω Ω Ω Ω Ω
4 Ω Ω Ω Ω Ω
4
5 .
A
6
6 .
A
1 1
5 .
A
2 Ω Ω Ω Ω Ω
2 Ω Ω Ω Ω Ω
6
5 .
A
9
5 .
* A
7 1
* A
ISA 750 & ISA 800Ti
CLIP:
H (2-tier)
ISA 750: 50.5 lb (23 kg)
ISA 800Ti: 63 lb (28.6 kg)
ISA 750: 44.5 lb (20.2 kg)
ISA 800Ti: 57 lb (26 kg)
1
2
3
1
c i
l a
F
l l u
M
x a
T
p y
c i
l a
0
5 .
A
d I
e l
0
6 .
A
8 Ω Ω Ω Ω Ω
3
7 .
A
5
4 .
A
0 1
A
4
A
4 Ω Ω Ω Ω Ω
6
A
9
6 .
A
6 1
A
6
3 .
A
2 Ω Ω Ω Ω Ω
9
3 .
A
4 1
7 .
* A
5 2
* A
9
2 .
A
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
ISA 1350
Red LED, 1 per channel
H (3-tier)
68 lb (30.8 kg)
77 lb (34.4 kg)
1
2
2
3
Typical
Full
F
l l u
M
x a
Idle
1.2 A
Ω
8
6.4 A
12.5 A
9
7 .
A
6 1
4 .
A
Ω
4
10 A
20 A
5 1
6 .
A
7 2
A
Ω
2
14.5 A
31 A*
3 2
* A
1 4
* A
US patents pending
QSC Audio Products, LLC
TD-000163-00 Rev. B
3
Max
25.5 A
42 A
66 A*
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