Cloud Electronics 46-50 - Manual (Page 7)

46-50 Installation and User Guide V1.0 7
OVERVIEW
Introduction
Thank you for purchasing this Cloud Multi-Zone Mixer
Amplifier. We are confident that you will be pleased with its
performance, features, flexibility and reliability.
The Cloud 46-50 is a four-zone analogue audio mixing
amplifier. It combines simple control of background music
with versatile microphone paging and power amplification in
a single unit. It is suitable for use in many types of premises,
including pubs, bars, clubs, shops, offices, hotels, etc. It is
compatible with Cloud PM Series paging microphones and
is also designed to interface with most third-party paging
microphones conforming to industry standards.
Scope of this manual
This manual provides a comprehensive guide to the features
and functionality of the Cloud 46-50 Multi-Zone Mixer
Amplifier. The 46-50 is available in two versions, the 46-50 and
46-50T. The two models are identical in facilities and features,
and differ only in that the 46-50T includes a factory-fitted
and pre-wired CXL-4160 transformer module for 70 V-line
operation (can be altered to 100 V-line operation).
Please read through the manual to become fully acquainted
with the various configuration and control functions the
46-50 offers.
The manual is arranged as follows:
• Overview – introduction to the 46-50 and its
options.
• Installation – wiring the 46-50 in a practical
situation.
• Setting Up & Operation – setting the system up
and user instructions.
• Options and Additional Information –
additional information about system options.
• Appendix – additional technical information.
Includes technical specifications.
The 46-50 Installation and User Guide includes basic
information on interfacing Cloud PM Series paging
microphones and connecting Cloud RL-1 Series and RSL-6
Series remote control plates. Full installation information for
each of these options is supplied with the items themselves.
Thank you again for placing your confidence in Cloud products.
What’s in the box
Unpack the 46-50 and its accessories with care. It is always a
good idea to store all packaging (if practical), in case you ever
need to return the unit to your Cloud dealer for any reason.
As well as this manual, the shipping carton should contain
the items listed below. Please contact your Cloud dealer
immediately if any of them are missing or damaged.
• Cloud 46-50 (or 46-50T) Multi-Zone Mixer Amplifier
• IEC mains lead (AC cord) with moulded plug appropriate
to the territory
• Set of mating connectors for all rear panel multi-pin
screw-terminal connectors
• Set of four rubber feet
• Front panel security cover (prevents access to Zone EQ
controls)
• 4qty M3 x 6 hex-head screws for security cover
• 2 mm hex key (for security cover screws)
• Miniature multi-blade adjustment tool
46-50 Main features
• Mixer Amplifier for four zones
• Six (unbalanced) stereo line inputs with individual gain
trim controls
• Front panel user controls for music source, music level
and level of each microphone, for each zone, plus preset
controls for HF/LF EQ
• Two balanced mic inputs; 15 V phantom power selectable
on either or both
• Contact closure access port for paging zone selection –
most OEM paging systems supported
• Switchable mic-over-music priority (Automatic Voice
Over)
• Selectable LINE 6 priority per-zone, with choice of
release times
• 4 x 50 W power output (lo-Z operation)
• Zone 1 Facility Port (Dsub) for connection to remote
sources and external control
• Zones 1 & 2 auxiliary line level outputs (pre-power
amplifier), for connection of additional external amplifiers
• Slave mode: two power amplifier stages may be fed from
a single programme source
• Rear panel adjustments for: i) mic input sensitivity and
HF/LF EQ, ii) zone output HF/LF music EQ, iii) utility
output music and mic level
• Optional internal CXL-4160 4-channel 70/100 V
transformer module can be retrofitted to convert 46-50
to 46-50T
• Optional external CXL-40T 70/100 V toroidal
transformers available for use with any or all outputs
• Selectable 65 Hz high-pass filter per-output (for use with
70/100 V transformers)
• Music Mute control input (N/O or N/C) to interface to
emergency system
• Compatible with standard Cloud remote control plates:
RL Series (music level) and RSL Series (music level and
source selection), per-zone
• Optional EQ cards available to suit various popular
installation loudspeakers may be fitted to any or all
outputs
• 2U 19” rack-mounting unit
• Thermostatically-controlled fan cooling