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RDL SF-NP50A Network to 50 W Mono Audio Amplifier - 70 V or 100 V

RDL SF-NP50A Network to 50 W Mono Audio Amplifier - 70 V or 100 V

SoundPro Item: 84178 | Part Number: SF-NP50A

Regular price $717.87
Regular price $957.16 Sale price $717.87
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MSRP: $957.16 | MAP: $717.87

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  • 50 Watts RMS Constant Voltage Amplifier
  • 70 V or 100 V Output
  • Plenum Rated per UL 2043 Standard
  • Converts One Dante Network Audio Signal to a Mono Constant Voltage Output
  • Selectable Dante Sample Rates: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz
  • 0 dBFS Input for 50 W Output
  • Analog Balanced Mono Input or Unbalanced Stereo Mini-Jack Input
  • Automatic Ducking Controlled by Network or Analog Input (Switch-Selectable)
  • Ducking Attenuation -25 dB or “off” (Switch-Selectable)
  • Balanced Line Output from Network Audio Source
  • Automatically Limits Supply Current to Protect Against Power Supply Shutdown
  • VCA Control on Detachable Terminal Block
  • External Control Using 10 kΩ Potentiometer or 0 to 10 Vdc
  • Compatible with RDL Remote Level Controls
  • Special Software Not Required for Module Setup
  • LED Indicators: Network Sync, Amplifier Mute, Analog Input Level, Ducking Threshold
  • High-Efficiency Class D Operation
  • Thermal and Short-Circuit Protection
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Specifications

Package Dimensions:
10 x 7 x 2.25 in
Shipping Weight:
4.22 lbs.
Tariff code:
8543.70.9910
WEEE weight:
3.82 lbs.
Dimensions:
Height: 1.7 in. (4,32 cm); Width: 5.83 in. (14,8 cm); Depth: 6.45 in. (16.38 cm)
Package Type:
Cardboard Box
Plenum Rating Standard:
UL 2043
Ambient Operating Environment:
0° C to 40° C Maximum; 20° C Recommended
Power Requirement:
24 Vdc @ 2700 mA
Power Supply (included):
100 to 240 Vac, 50-60 Hz, IEC C14; Output to module: 24 Vdc
VCA:
0 to 10 Vdc control, detachable terminal block (compatible with RDL VCA wall controls)
Indicators (8):
Front-panel: Sync (green), Amplifier muted (yel), Rear-panel: Overload Protect (red), Ethernet Link and Speed (2), dual-LED VU meter (2), Ducking threshold
Noise:
<-70 dB (below +4 dBu)
Frequency Response:
+/- 0.3 dB (20 Hz to 10 kHz); +/- 2 dB (20 Hz to 20 kHz)
Line Output:
+4 dBu balanced (for -20 dBFS)
Noise:
<-85 dB (below max power); <-75 dB (below 1/8 power)
Frequency Response:
+0/-3 dB (50 Hz to 20 kHz)
THD+N:
< 1% (1 kHz)
Reference Level (network input):
0 dBFS = 50 W
Ducking/Muting Source:
Switch-selectable priority for network or analog input
Ducking/Muting Level:
Switch-selectable for 25 dB ducking attenuation (nominal) or OFF
Power Amplifier Output:
50 W RMS (70 or 100 V)
Ducking/Muting Release Delay:
4 seconds, nominal
Ducking/Muting Actuation:
Automatic (Rear-panel adjustable signal threshold with LED indicator)
Common mode rejection:
> 60 dB (50 Hz à 120 Hz)
Gain Adjustment:
Single turn audio taper (with associated Dual-LED VU Meter calibrated to 20 dB below full output power)
Input Impedance:
>10 kΩ balanced, >5 kΩ unbalanced
Balanced Input Level:
+4 dBu nominal, adjustable; -10 dBu minimum (for 20 dB below full output power); +25 dBu maximum (before clipping)
Unbalanced Input Level:
-10 dBV nominal, adjustable; -25 dBV minimum (for 20 dB below full output power); +10 dBV maximum (before clipping)
Analog Section
Analog Input Connectors (2):
Balanced on terminal block or stereo unbalanced Mini-Jack (L and R inputs summed to mono)
Bit Depth Supported:
24 bits
Inputs (2):
Dante network (1 channel), Analog audio
Network Input Section
Digital Audio Ethernet Protocol:
Dante
Network Connector:
RJ45 with Link and Speed indicators
Transmission Rate:
100 Mbps
Sample Rates Supported:
44.1 kHz, 48 kHz (default), 88.2 kHz, 96 kHz

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