Standard Amplifier

Standard amplifier for low impedance or 70V tower speakers.
Also see Premium Amplifier for tower speakers.

Features

• Powered on all the time when connected to power outlet
  • Standby power OFF requires a switched AC receptacle on carillon (option)
• Indicators
  • Power-on: Green LED
  • Signal: Green LED (1 per channel)
  • Clip: Red LED (1 per channel)
• 70V direct drive capability (no output transformer)
• Amplifier Protection provides stability into reactive or mismatched loads
• Load Protection
  • On/off muting
  • AC coupling
• Rack mountable with chassis less than 16" (40.6 mm) deep
• 1-dB recessed, detented gain controls for fast, accurate, and repeatable settings
• Tamper-proof security cover for gain controls
• Recessed rear DIP switches for easy selection of stereo, parallel, or bridged mode operation, and enabling/disabling low-frequency filter protection
• Low-noise variable-speed fans with rear-to-front airflow help keep amplifiers and racks cool

Specifications and Ratings

• Frequency Response: 20 Hz–20 kHz: ±1 dB; -3 dB points: 5 Hz and 50 kHz
• Signal to Noise (20 Hz–20 kHz, 8Ω): > 100 dB
• Input Sensitivity into 8Ω: 1.15 V (+3.4 dBu)
• Max Voltage Gain: 31.6× (30 dB)
• Output Circuitry:Class AB

Output Power

• 185 W 8Ω FTC 0.1% THD (x 2 channels)
• 830 W 4Ω EIA, 1% THD (bridged mono mode)
• 600 W 70V Direct Drive EIA, 1% THD (bridged mono mode)

Distortion

• SMPTE-IM: < 0.02%
• THD 4Ω and 8Ω
  • 20 Hz–20 kHz: 10 dB below rated power: < 0.03%
  • 1.0 kHz and below: full rated power: < 0.03

Current Draw

(pink noise program)

• Typical, 1/8 power 4Ω, 120 V: 4.4 A
• Severe, 1/3 power 4Ω, 120 V: 6.6 A

Power Options

• 120 VAC 50-60 Hz
• 230 VAC 50-60 Hz

Certifications

• UL Listed
• CE

Physical

• Height: 3.5" (8.9 cm) 2U rack spaces
• Width: 19" (48.3 cm) rack mounting
• Depth: 15.9" (40 cm) to rear support ears
• Weight: 35 lb (15.9 kg)
• Shipping Weight: 41 lb (18.6 kg)