Untitled Document
QSC ISA-1350 4000W, 2 Channel Power Amplifier
FEATURES
- Drives 70V lines directly with 1500 watts per channel
- Rear panel gain controls for tamper resistance; 2-dB detents allow for quick and repeatable settings.
- XLR and detachable Euro-style input connectors
- DataPort V2 for use with DPV2-compatible signal processing accessories (XC-3, SF-3, LF-3) and DSP-3/DSP-4 (with external power supply)
- Independent defeatable clip limiters for reduced distortion
- Selectable high-pass filters (30 Hz or 70 Hz) protect speakers and prevent speaker transformer saturation, with minimal effect on program material
- Three-tier Class H complementary bipolar output circuitry reduces AC power draw and waste heat by 50%
- Front panel indicators include power, signal, clip and protect
- Covered barrier strip output connectors for safety agency compliance
- Automatic on-demand variable-speed fan: quiet normal operation, with maximum cooling when needed
- Rear-to-front air flow helps keep equipment racks cool
- Stereo, bridge, or parallel operating modes
- Comprehensive protection circuitry including DC, infrasonic, thermal overload, and short circuit protection
- 3-year warranty plus optional 3-year extended service contract
SPECIFICATIONS |
ISA280 |
ISA450 |
ISA750 |
ISA1350 |
ISA300Ti |
ISA500Ti |
ISA800Ti |
|
STEREO MODE, Both Channels Driven |
8 ohms 20 Hz–20 kHz 0.1% THD |
185 W |
260 W |
450 W |
800 W |
185 W |
260 W |
450 W |
4 ohms 20 Hz–20 kHz 0.1% THD |
280 W |
425 W |
650 W |
1300 W |
280 W |
425 W |
650 W |
2 ohms 1 kHz 1% THD |
430 W |
700 W |
1200 W |
2000 W |
430 W |
700 W |
1200 W |
|
DIRECT POWER, STEREO MODE |
70V 20 Hz–20 kHz +0/-0.3 dB 0.5% THD |
- |
- |
- |
1500 W |
- |
- |
- |
|
TRANSFORMER-ISOLATED OUTPUT POWER, STEREO MODE |
70V or 100V 50 Hz–16 kHz 0.5% THD |
- |
- |
- |
- |
300 W |
500 W |
800 W |
25V 50 Hz–16 kHz 0.5% THD |
- |
- |
- |
- |
200 W |
300 W |
500 W |
|
BRIDGED MONO MODE |
8 ohms 1 kHz 0.1% THD |
600 W |
900 W |
1500 W |
2800 W |
600 W |
900 W |
1500 W |
4 ohms 1 kHz 1% THD |
830 W |
1400 W |
2400 W |
4000W |
830 W |
1400 W |
2400 W |
|
XF OUTPUT POWER, BRIDGED MONO MODE |
140V or 200V 50 Hz-16 kHz 0.5% THD |
- |
- |
- |
- |
600W |
1000W |
1600W |
Signal to Noise (20 Hz-20 kHz) |
100 dB |
100 dB |
100 dB |
100 dB |
100 dB |
100 dB |
100 dB |
Distortion (SMPTE-IM) |
Less than 0.01% |
Less than 0.01% |
Less than 0.02% |
Less than 0.01% |
Less than 0.01% |
Less than 0.01% |
Less than 0.02% |
Input Sensitivity @ 8 ohms |
1.15 V
(+3.4 dBu) |
1.07 V
(+2.8 dBu) |
1.07 V
(+2.8 dBu) |
1.24 V
(+4.1 dBu) |
1.15 V
(+3.4 dBu) |
1.07 V
(+2.8 dBu) |
1.07 V
(+2.8 dBu) |
Maximum Voltage Gain
|
33.4×
(30.5 dB) |
44.7×
(33 dB) |
56.2×
(35 dB) |
64.0×
(36.1 dB) |
33.4×
(30.5 dB) |
44.7×
(33 dB) |
56.2×
(35 dB) |
Output Circuitry |
Class AB |
Class AB |
Class H |
Class H, 3 Tier |
Class AB |
Class AB |
Class H |
THX Approved |
- |
|
|
- |
- |
- |
- |
Weight - Net
|
36 lb
(16.3 kg) |
42 lb
(19 kg) |
47 lb
(21.3 kg) |
68 lb
(30.8 kg) |
44 lb
(20.0 kg) |
49 lb
(22.3 kg) |
57 lb
(26 kg) |
Weight - Shipping
|
42 lb
(19.1 kg) |
48 lb
(22 kg) |
53 lb
(24.0 kg) |
77 lb
(34.4 kg) |
50 lb
(22.7 kg) |
55 lb
(25 kg) |
63 lb
(28.6 kg) |
|
ALL MODELS |
Distortion (Typical)
20 Hz–20 kHz: 10 dB below rated power
1.0 kHz and below: full rated power |
Less than 0.03% THD, 4 ohms and 8 ohms
Less than 0.03% THD, 4 ohms and 8 ohms |
Frequency Response
10 dB below rated output power
|
ISA 280, 450, 750 and 1350:
20 Hz–20 kHz, +0/-1 dB; -3 dB points: 5 Hz and 50 kHz |
ISA 300Ti, 500Ti and 800Ti:
Direct outputs: -3 dB @ 50 Hz, -0.5 dB @ 20 kHz; XF outputs: 50 Hz–16 kHz, +1/-3 dB |
Damping Factor with 8Ω Load (direct outputs) |
Greater than 200; ISA 1350 greater than 250 |
Output Regulation (isolated outputs) |
Less than 1.5 dB |
Input Impedance |
10 kΩ unbalanced, 20 kΩ balanced |
Input Clipping |
10 V rms (+22 dBu) |
Cooling |
Continuously variable speed fan, back-to-front air flow |
Connectors, each channel |
Input: Active balanced; 3-pin Euro-style detachable terminal block and XLR (pin 2+)
Output: Covered barrier strips
DataPort V2: HD-15 connector |
Controls |
Front: AC switch
Rear: Ch. 1 and Ch. 2 gain knobs, 10-position DIP switch |
Indicators |
PWR-ON: Green LED; SIGNAL: Green LED (1 per channel);
CLIP: Red LED (1 per channel) |
Dimensions |
19" (48.3 cm) rack mounting, 5.25"(13.3 cm) tall (3 rack spaces),
15.9" (40 cm) deep (from front mounting rails) |
Amplifier Protection |
Full short circuit, open circuit, thermal, ultrasonic, and RF protection;
Stable into reactive or mismatched loads |
Power Requirements |
120 or 230 VAC, 50–60 Hz |
Load Protection |
On/off muting; Triac crowbar: ISA 750, 1350, and 800Ti; AC coupling: ISA 280, 300Ti, 450, and 500Ti |
| Loading… |
WARNING: This product contains chemicals including Styrene which is known to the state of California to cause cancer, and Bisphenol A (BPA), which is known to the state of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
In certain instances promotional prices will be offered listed above as a “Price with Rebate”, and are typically dated. In these cases Instant Rebate (IR) pricing is good sometimes only for the day only or only for the week. In order to be eligible for IR pricing – the order must be paid for AND picked up/shipped out. If you are placing an online order outside of business hours within your respective time zone, please add a note to your order for the team to confirm the pricing, or contact the branch the following business day to ensure that the item pricing carries over into the subsequent period. If an alternate branch location is still open in another time zone, please reach out to that group.
|