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QSC | ISA800ti Stereo Contractor Multi Voltage Power Amplifier | QSC

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810-331-0747
$1,465.00
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Designed as a cost-effective solution specifically for sound contractors, the ISA800ti is equipped with isolated 25, 70 and 100 volt outputs for distributed audio systems. Versatile loading options and a comprehensive feature set make the ISA Series a rugged, cost-effective power solution for any permanently installed sound system. Features: Low-impedance and isolated 25, 70, and 100 volt outputs for distributed audio systems 25, 70, 100 volt, and low-impedance outputs available simultaneously Simple barrier strip connection...

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QSC | ISA800ti Stereo Contractor Multi Voltage Power Amplifier | QSC

QSC | ISA800ti Stereo Contractor Multi Voltage Power Amplifier | QSC

Designed as a cost-effective solution specifically for sound contractors, the ISA800ti is equipped with isolated 25, 70 and 100 volt outputs for distributed audio systems. Versatile loading options and a comprehensive feature set make the ISA Series a rugged, cost-effective power solution for any permanently installed sound system.

Features:

  • Low-impedance and isolated 25, 70, and 100 volt outputs for distributed audio systems
  • 25, 70, 100 volt, and low-impedance outputs available simultaneously
  • Simple barrier strip connection determines output mode
  • Rear panel gain controls for tamper resistant operation with 2 dB detents 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 protect speakers and prevent speaker transformer saturation with minimal effect on program material (50 Hz or 75 Hz)
  • Class H complementary bipolar output circuitry reduces AC power draw and waste heat by 40%
  • Front panel indicators include power, signal, and clip
  • Covered barrier strip output connectors for safety agency compliance
  • Automatic variable-speed fan for quiet normal operation with maximum cooling on demand
  • Rear-to-front air flow keeps 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

Unique among distributed sound power amplifiers, the "Ti" versions will drive 8 or 4 ohm loads and a distributed system on the same channel simultaneously. This enables a contractor to reduce the number of required amplifier channels by allowing a limited number of distributed speakers to be attached to the same amp as is powering the main sound system. 

Housed in a rugged 3-U chassis, these amps feature rear panel gain controls for tamper resistant operation with 2 dB detents for quick and repeatable settings. Inputs include both XLR and detachable Euro-style connectors. Outputs feature covered barrier strip connectors for safety agency compliance, and for added versatility, a DataPort V2 (Version 2) terminated with an HD-15 connector is provided for use with DPV2-compatible signal processing accessories such as the XC-3 Crossover, SF-3 Subwoofer Filter, LF-3 Low Frequency Filter and the DSP-3 with external power supply.

Selectable high-pass filters are included to protect speakers and prevent speaker transformer saturation with minimal effect on program material. The ISA Series provide additional protection circuitry including DC, infrasonic, thermal overload, RF and short circuit protection.

On the ISA 800Ti, class H complementary bipolar output circuitry increases system efficiency by reducing AC power draw and waste heat by 40%. Cooling is accomplished via an automatic variable speed fan, which pulls air from back to front.

Product Specs

STEREO MODE, Both Channels Driven  
8 ohms 20 Hz-20 kHz 0.1% THD 450W
4 ohms 20 Hz-20 kHz 0.1% THD 650W
2 ohms 1 kHz 1% THD 1200W
XF OUTPUT POWER, STEREO MODE  
70V or 100V 50 Hz-16 kHz 0.5% THD 800W
25V 50 Hz-16 kHz 0.5% THD 500W
BRIDGED MONO MODE  
8 ohms 1 kHz 0.1% THD 1500W
4 ohms 1 kHz 1% THD 2400W
XF OUTPUT POWER, BRIDGED MONO MODE  
140V or 200V 50 Hz-16 kHz 0.5% THD 1600W
Signal to Noise (20 Hz-20 kHz) 100 dB
Distortion (SMPTE-IM) Less than 0.02%
Input Sensitivity @ 8 ohms 1.07v (+2.8 dBu)
Voltage Gain @ 8 ohms 56.2x (35 dB)
Output Circuitry Class H
Weight - Net 57 lbs (26 kg)
Weight - Shipping 63 lbs (28.6 kg)
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
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
For further assistance or questions please contact a Whoisblest Specialist by typing "Help" in our chatbox. We look forward to hearing from you.

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