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Cloud USA 46-120 4-Zone 2U Rack-Mountable Mixer Amplifier

BH #CL46120 • MFR #46-120
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Cloud USA 46-120 4-Zone 2U Rack-Mountable Mixer Amplifier
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Cloud USA 46-120 Overview

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The 46-120 4-Zone 2U Rack-Mountable Mixer Amplifier from Cloud USA combines simple control of background music, microphone paging, and power amplification for up to four zones in a single unit. It is suitable for use in many types of premises, such as pubs, bars, clubs, leisure, and fitness centers, shops, offices, hotels, and more. It has six stereo line inputs and two microphone inputs; one mic input can be configured for paging purposes. Each line and mic input has its own preset sensitivity control on the rear panel, and each mic input additionally has HF/LF EQ adjustment to optimize the inputs for better clarity.

The 46-120 has four mono zone outputs, each being driven by a 120W power amplifier stage. Pre-power stage outputs (0 dBu, unbalanced) are also provided for Zones 1 and 2. Line 6 input may be set to have priority over any other selected music source in Zone 1, to facilitate connection of a jukebox, digital sound store, or similar device. The priority feature has selectable release times, to allow a smooth return to the original music source.

A transformer-isolated auxiliary output is also available which may be used as an interface to telephone MOH systems, or as a utility output to drive a local rack monitor or an induction loop amplifier. This output may be selected by internal jumper to either follow Zone 1's selected music source summed with Mic 1, be permanently fed with any one of the music sources. Separate rear panel preset controls are provided to set the music and Mic 1 levels at this output.

The mixer amplifier is compatible with all Cloud PM Series paging microphones. The paging mic input can be configured to suit most OEM paging systems. Zone selection for paging is via short-to-ground access connections, and the unit may be configured by internal jumper for automatic music ducking (mic-over-music priority), triggered by VOX control. Furthermore, this mixer amplifier features a Facility Port that allows remote input plates of various types (sold separately) to be connected so that mic and/or line sources such as radio mics, DJ mixers, iPods, laptops, or other audio sources can be connected in the zone itself. A remote Music Mute facility is provided, which can be used to satisfy the requirements of the Local Fire Officer.

Compatibility
With Standard Cloud Remote Control Panels: RL Series (music level) and RSL Series (music level and source selection), per-zone
General
2U 19" rack-mounting unit
Eight input (6 x line, 2 x mic) mixing amplifier for four zones
Provides flexible music, paging, and announcement facilities in each zone
4 x 120W power output (4 Ohms)
Dynamic clip limiting in power amplifier stage
Zones 1 & 2 auxiliary line level outputs (pre-power amplifier), for connection of additional external amplifiers
Transformer-isolated auxiliary output with independent mic and music level control for use with telephone MOH systems
Aux output source selection (internal jumper) fixed source or mix of Mic 1 and Zone 1 music source
Front panel user controls for music source, music level, and level of each microphone, for each zone
Front panel preset controls for HF/LF EQ for each zone output
Six (unbalanced) stereo line inputs with individual gain trim controls
Contact closure access port for paging zone selection
Selectable VOX-triggered mic-over-music priority
Sensitivity and HF/LF EQ adjustment for mic input (rear panel)
Selectable Line 6 priority in Zone 1, with choice of release times
Two balanced mic inputs; 15 V phantom power selectable on either or both
MIC 1 input can be configured as telephone system interface
Zone 1 Facility Port for connection of optional LM-1 (mic/line) remote input/control modules via screened Cat5
Facility Port may also be used as additional balanced line input to Zone 1
Selectable 65 Hz high-pass filter per-output (for use with 70V line systems)
Music mute control input (N/O or N/C) for interface to emergency system
EQ cards (sold separately) to suit various popular installation loudspeakers may be fitted in any or all outputs

Cloud USA 46-120 Specs

Form Factor/Type
Rackmount
Number of Mixer Inputs
8
Number of Amplifier Channels
4
Load Impedance/Voltage Support
70 V (42 Ohms Minimum)
100 V (83 Ohms Minimum)
Power Rating per Channel
4x 120 W at 4 Ohms
4x 85 W at 8 Ohms
Channel Bridging & Power Sharing
Channel Bridging is Not Supported1x 170 W Single Channel Driven at 4 Ohms
1x 100 W Single Channel Driven at 8 Ohms
Performance
Protections
DC Offset, Dynamic Clip, Power-On Delay, Thermal, VI Limiting
Frequency Response
20 Hz to 20 kHz ±0.5 dB (Line Input)
100 Hz to 20 kHz +1/-3 dB (Mic Input)
SNR/Noise
-127 dB EIN (Mic, 22 Hz to 22 kHz, 150-Ohm Load)
-90 dB Noise (Line Input, 22 kHz Bandwidth)
THD/Distortion
≤ 0.04% THD+N (1 kHz, 22 kHz Bandwidth)
≤ 0.03% Distortion (Mic Input, 1 kHz, 80 kHz Bandwidth)
≤ 0.06% Distortion (1 kHz, 80 kHz Bandwidth, 70/100 V Output)
≤ 0.04% Distortion (1 kHz, 80 kHz Bandwidth, Low-Z Output)
Signal Processing
DSP
No
EQ & Filters
2-Band EQ
Connectivity
Analog Audio I/O
2x Block 3-Pin Balanced Mic Input
6x Stereo 2RCA Unbalanced Line Input
2x Block 4-Pin Balanced Speaker Output
1x Stereo 2RCA Unbalanced Aux Output
Digital Audio I/O
No
Network I/O
No
USB I/O
No
Phantom Power
+15 V
Wireless
No
Power
Input Power
115 VAC, 50 / 60 Hz
230 VAC, 50 / 60 Hz
AC Power Connector
1x IEC
Power Consumption
4.7 W (Sleep Mode)
13.4 to 25.2 W (Idle)
280 W (1/8 Power at 4 Ohms)
440 W (1/3 Power at 4 Ohms)
175 W (1/8 Power at 8 Ohms)
275 W (1/3 Power at 8 Ohms)
Physical
Display
Single-LED Indicators Only
Rackmount Size
2 U
Cooling
Fan (Variable Speed)
Dimensions
19 x 16 x 3.5" / 48 x 41 x 8.9 cm
Weight
26.3 lb / 11.9 kg

Cloud USA 46-120 Reviews

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