- Main Features:
- Selectable 80Hz 2nd-order Hi-pass filter, limiter, and input gain per channel
- Remote DC level control per channel
- Extensive protection circuitry, continuously variable cooling fan
- Euroblock input connectors
- Euroblock loudspeaker connectors
- Detachable AC mains line-cord connector
- Safety/Compliance: cTUVus (pending), CE, FCC, RoHS
- Specifications:
- Voltage Gain: Selectable at 26dB, 32dB, 38dB, or 1.4V
- Damping Factor: >250 (8 Ohm 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 (unweighted) 20Hz-20kHz, Gain@26dB:
- >99dB (all 150x models)
- >96dB (all 75x models)
- Frequency Response: 20Hz-20kHz, +/-0.05dB
- Balanced Input Connector: Euroblock 3.5mm
- Input Impedance: 10k Ohms
- Maximum Input Level: +21dBu
- Speaker Output Connector: Euroblock 7.62mm
- Remote DC Level Control: Euroblock 3.5mm – Gnd, CV, V+ per input
- Attenuators (per channel): Rear panel, Fully off = Mute
- Amplifier Protection: Shorted output power limiting, over-temperature, DC-output, power-supply fault, mains-fuses & inrush-current limiting
- Cooling: Continuously variable temperature controlled fan
- Environmental: 32°F-120°F, (0°C-49°C) non-condensing
- Weights and Dimensions:
- Unit Dimensions: 19”W x 1.75”H x 14.54”D (483mm x 45mm x 369mm)
- Shipping Dimensions: 25.2"W x 2.5"H x 19.5"D (641mm x 64mm x 495mm)
- Unit Weight: 1504/754 12.1lbs (5.5kg), 1502/752 11.3lbs (5.1kg)
- Shipping Weight: 1504/754 16.0lbs (15.0kg), 1502/752 14.2lbs (6.4kg)
- 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 & attenuators are disabled Per Channel
- CLIP/MUTE (red): Clip @ 1dB below rated output / Mute
- SIGNAL (green): -18dB below rated output
- CURRENT (green): Brightness is proportional to output current
- TEMP (yellow): On dim at 90% max operating temperature, On full bright + protect at 100%
- BRIDGE (green): Per Channel Pair, On, Off
- Remote Accessories:
- WR-1: 2-Channel Level Control
- Power Requirements (50 – 60Hz):
- Nominal Voltage Input: 100 – 240VAC
- Operating Range: 70 – 270VAC
- Minimum power-up: 70VAC
- Power Supply Type: SMPS with active PFC (Power Factor Correction)
- AC Mains Line Cord Connector: Detachable Nema 5-15 for USA (May vary for export)