- Main Features:
- Selectable 80Hz Hipass filter, limiter, and input gain per channel, via rear panel
- Remote DC level control per channel
- Extensive protection circuitry, continuously variable cooling fans
- Neutrik® Combo XLR – 1/4” TRS jack plus Euroblock input connectors
- Neutrik® speakON® twist locking loudspeaker connectors for security, safety, and reliability
- Neutrik® powerCON® detachable AC mains connector
- Safety/Compliance: cTUVus, CE, FCC, RoHS
- Specifications:
- Voltage Gain: Selectable at 26dB, 32dB, 38dB, or 1.4V
- Damping Factor: >250 (8 Ohms load <1kHz)
- Input High Pass Filter: 80Hz 2nd order
- Distortion (SMPTE, typical): <0.5%
- Distortion (THD-N, typical): <0.5% (8 Ohms, 10dB below rated power, 20Hz–20kHz)
- Channel Separation: -75dB (dB from full output, 1kHz)
- Signal to Noise (20Hz–20kHz, unweighted):
- >114dB (all 3.0x models)
- >111dB (all 1.5x models)
- >108dB (all 800x models)
- >105dB (all 400x models)
- Frequency Response: 20Hz–20kHz, +/-0.05dB
- Balanced Input Connector: Euroblock 3.5mm, 1/4” TRS and XLR Combo jack
- Input Impedance: 10k Ohms
- Maximum Input Level: +21dBu
- Speaker Output Connector: Neutrik® speakON®
- Remote DC Level Control: Euroblock 3.5mm - Gnd, CV, V+ per input
- Attenuators (per channel): Front panel and remote. Fully off = Mute
- Amplifier Protection: Inrush current limitation, temperature monitoring, output over-power protection, mains fuses
- Airflow: In through sides, Out through front
- Cooling: Continuously variable temperature controlled axial fan(s)
- Environmental: 32–113 deg F, (0–45 deg, C) (noncondensing)
- Weights and Dimensions:
- Unit Weight: 1.54/3.04: 28lbs (12.7kg), 1.52/3.02: 22lbs (10kg), 4002/8002: 21.5lbs (9.75kg), 4004/8004: 25.2lbs (11.4kg)
- Shipping Weight: 1.54/3.04: 34lbs (15.5kg), 1.52/3.02: 28lbs (12.8kg), 4002/8002: 27.6lbs (12.5kg), 4004/8004: 31.3lbs (14.2kg)
- Unit Dimensions (all models): 19”W x 3.5”H x 16.84”D (483mm x 89mm x 428mm)
- Shipping Dimensions: 24.5"W x 22"H x 5.25"D (622mm x 559mm x 133mm)
- Front Panel LED Indicators:
- POWER (white): Switch: On, Off, Standby (flashing)
- PROTECT (red): On (fault condition or shut down), Off
- SLEEP (blue): On, amplifier is asleep from audio inactivity
- DISABLE (yellow): On, power switch & front panel attenuators are disabled
- COM (green): On, for Ethernet data or Device ID
- Per Channel:
- CLIP/MUTE (red): Clip @ 1dB below full output / Mute
- SIGNAL (green): -18dB below rated output
- CURRENT (green): Proportional to output
- TEMP (yellow): On dim at 90% max operating temperature, full bright + protect at 100%
- BRIDGE (green): On, Off