User Manual for Cloud USA 46-120 4-Zone 2U Rack-Mountable Mixer Amplifier Click to enlarge the picture
Contents of the user manual for the Cloud USA 46-120 4-Zone 2U Rack-Mountable
- Product category: Mixer/Amplifiers Cloud USA
- Brand: Cloud USA
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Cloud USA Mixer/Amplifiers
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User manual for the Cloud USA 46-120 4-Zone 2U Rack-Mountable contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Cloud USA product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Cloud USA user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Cloud USA product will considerably shorten its lifespan!
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Product description 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
In the Box Cloud USA 46-120 4-Zone 2U Rack-Mountable Mixer Amplifier Limited 5-Year Warranty Table of Contents
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Technical parametersCloud USA 46-120 Specs | | | Frequency Response | 20 Hz to 20 kHz, +/-0.5 dB | | THD + N | 0.04% @ 1 kHz; 22 kHz bandwidth | | Sensitivity | 195 mV (-12 dBu) to 2.0 V (+8 dBu) | | Input Gain Control | 20 dB range | | Input Impedance | 47 kOhms | | Headroom | 17 dB | | Noise | -90 dB rms; 22 kHz bandwidth | | Equalization | HF: ±10 dB @ 10 kHz
LF: ±10dB @ 50 Hz | | | | Frequency Response | 100 Hz -3 dB (fixed filter) to 20 kHz ±1 dB | | Distortion | <0.03% @ 1 kHz, 80 kHz bandwidth | | Gain Range | 10 to 50 dB | | Common Mode Rejection | 70 dB typical | | Input Impedance | 3.3 kOhms (balanced) | | Headroom | 17 dB | | Noise | -127 dB EIN 22 Hz to 22 kHz (Rs = 150 Ohms) | | Equalization | HF: ±10 dB @ 5 kHz
LF: ±10 dB @ 100 Hz | | | | Low Impedance | 4 Ohm Load: 120 W (170 W one channel driven) @ 1 kHz & 0.1% THD+N
8 Ohm Load: 85 W (100 W one channel driven) @ 1 kHz & 0.1% THD+N
Frequency Response: -1 dB @ 20 kHz,-0.5 dB @ 20 kHz
Distortion: <0.04% @ 1 kHz, 80 kHz bandwidth | | Outputs | 100 V-Line Balanced: 83 Ohms minimum load
70 V-Line Balanced: 42 Ohms minimum load
Frequency Response: -3 dB @ 65 Hz (filter), -2.5 dB @ 20 kHz
Distortion: <0.06% @ 1 kHz, 80 kHz bandwidth | | Amplifier Protection | Dynamic clip protection, VI limiting, DC offset, thermal & switch-on delay | | Cooling | Variable speed DC fan | | | | Power Input | 230 V ±5% (115 V ±5% by internal connection) | | Fuse Rating | 230 V: T4A
100/115 V: T8A | | Fuse | Type: 0.7 x 0.2" (20 x 5 mm) | | Power Consumption | External remote power-down 4.7 W / 7.75 VA
Idle - 4 chs APD 13.4 W / 16.75 VA
Idle - 3 chs APD 16.3 W / 20.5 VA
Idle - 2 chs APD 19.2 W / 24.9 VA
Idle - 1 ch APD 22.2 W / 29.4 VA
Idle, all chs active 25.2 W / 33.6 VA
Noise input,1/3 rated power, 4 Ohms 440 W / 560 VA
Noise input,1/3 rated power,8 Ohms 275 W / 362 VA
Noise input,1/8 rated power,4 Ohms 280 W / 370 VA
Noise input,1/8 rated power,8 Ohms 175 W / 240 VA | | Dimensions | 19 x 3.5 (2 U) x 16" (48 x 8.9 x 41 cm) | | Weight | 26.3 lb (11.9 kg) |
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