Denon DN-474A Data Sheet
www.denonpro.com PHONE: [401] 658.3131 April 1, 2019
DN-474A
2x2-Channel Dual-Impedance Amplier
Key Features:
4-Channel Class-D amplier
2 X 120 Watts with 70V/100V outputs
2 X 150/90 Watts with 4/8-ohm loads
Euroblock inputs and outputs
Separate gain controls for each channel
Signal, clipping and thermal interruption indicators
Short-circuit and open-circuit protection
Overview:
The DN-474A 2x2-Channel Dual-Impedance Amplier is
designed for contractor/install market applications which
specify installed speaker systems requiring 70V/100V
inputs, and has the added exibility of handling loimpedance loads (4Ω/8Ω). The amplier is split so that two
channels handle the lo-impedance speakers, while two
channels take care of the 70V/100V speaker runs. This very
versatile, one rack space amplier has built-in short circuit
protection - and LED indicators for signal present, clipping
status and thermal interruption on the front panel.
Engineered for the distribution of multiple 70V/100V
speaker systems over long cable runs - such as in-ceiling
speakers, surface-mount speakers and paging horns, and
also for shorter runs to lo-impedance speakers.
Specications:
Total Harmonic Distortion: < 0.1%
Frequency Response: 100 Hz - 15 kHz (0 +/-1 dBv)
Signal to Noise Ratio: > 95 dB
Channel Separation: > 70 dB
Input Sensitivity: 0.9 - 1.1 V (0 +/-1 dBv)
Input Impedance: 20 kΩ balanced or 10 kΩ unbalanced
Connectors
(8) Euroblock channel outputs - (2) per channel (70V, 100V, 4Ω, 8Ω)
(4) Euroblock channel inputs (ground, -, +)
(1) IEC AC power inlet
Power
Connection: IEC
Input Voltage: 100 - 240 VAC, 50/60 Hz
Dimensions: 19.0"w x 11.1"d x 1.7"h (483 x 281 x 44mm)
Weight: 10.4 lbs (4.7 kg)
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