SPECIFICATIONS | ISA280 | ISA450 | ISA750 | ISA1350 | ISA300Ti | ISA500Ti | ISA800Ti |
---|---|---|---|---|---|---|---|
STEREO MODE, Both Channels Driven | |||||||
8 ohms 20 Hz-20 kHz 0.1% THD | 185W | 260W | 450W | 800W | 185W | 260W | 450W |
4 ohms 20 Hz-20 kHz 0.1% THD | 280W | 425W | 650W | 1300W | 280W | 425W | 650W |
2 ohms 1 kHz 1% THD | 430W | 700W | 1200W | 2000W | 430W | 700W | 1200W |
DIRECT POWER, STEREO MODE | |||||||
70V 20 Hz-20 kHz +0/-0.3 dB 0.5% THD | - | - | - | 1500W | - | - | - |
XF OUTPUT POWER, STEREO MODE | |||||||
70V or 100V 50 Hz-16 kHz 0.5% THD | - | - | - | - | 300W | 500W | 800W |
25V 50 Hz-16 kHz 0.5% THD | - | - | - | - | 200W | 300W | 500W |
BRIDGED MONO MODE | |||||||
8 ohms 1 kHz 0.1% THD | 600W | 900W | 1500W | 2800W | 600W | 900W | 1500W |
4 ohms 1 kHz 1% THD | 830W | 1400W | 2400W | 4000W | 830W | 1400W | 2400W |
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 | 1.15v (+3.4 dBu) |
1.07v (+2.8 dBu) |
1.07v (+2.8 dBu) |
1.24v (+4.1 dBu) |
1.15v (+3.4 dBu) |
1.07v (+2.8 dBu) |
1.07v (+2.8 dBu) |
Voltage Gain @ 8 ohms |
33.4x (30.5 dB) |
44.7x (33 dB) |
56.2x (35 dB) |
64.0x (36.1 dB) |
33.4x (30.5 dB) |
44.7x (33 dB) |
56.2x (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 lbs (16.3 kg) |
42 lbs (19 kg) |
47 lbs (21.3 kg) |
68 lbs (30.8 kg) |
44 lbs (20.0 kg) |
49 lbs (22.3 kg) |
57 lbs (26 kg) |
Weight - Shipping |
42 lbs (19.1 kg) |
48 lbs (22 kg) |
53 lbs (24.0 kg) |
77 lbs (34.4 kg) |
50 lbs (22.7 kg) |
55 lbs (25 kg) |
63 lbs (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 (direct outputs) | Greater than 200 at 8 ohms, ISA 1350 greater than 250 | ||||||
Output Regulation (isolated outputs) | Less than 1.5 dB | ||||||
Input Impedance | 10 k ohms unbalanced, 20 k ohms balanced | ||||||
Input Clipping | 10 Vrms (+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"(13.3cm) 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, 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 |
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