Cloud Z4II User Manual download pdf (Page 2)

Z8II & Z4II Multi-zone Venue Mixers

The Z8II offers the ‘complete solution’ for multi-zone, multi-functional venues. With the ability to accept an array of input sources such as CD,Video, Satellite etc. the Z8II is an ideal choice. The Cloud

II has been developed specifically to meet these needs, and can act as a user-friendly master control for the entire sound system. Accordingly, the Z8II offers direct connection of up to six music

sources, two microphones and a paging mic, all of which can be selected to operate in up to eight different output zones, in any combination.

The dedicated paging microphone input features a pre-settable level control for each zone, plus a signal routing facility that can interface with the Cloud CDPM8i eight zone paging mic with

pre-announcement chime and most commercially available paging mics. The two microphone inputs can be set to operate in any of the eight zones via front panel mounted level controls.

Recognising that each zone may have different acoustic properties or be fitted with different loudspeakers, separate equalisation is provided on each zone for music signals, and each of the three mic

inputs has its own bass and treble controls. Plug in Bose

filter cards are available which equalise the output for a range of Bose

loudspeakers. All inputs have gain trimmers located adjacent to the

respective input socket,for perfect level matching.

Simple, remote or in-zone control of music level and source selection is a standard feature, using the Cloud RSL-6 option.Two active modules are now available: the DM-1, a two input microphone

module with balanced inputs, common equalisation, switchable priority over music signals and a high pass filter (can be used in multiples). The LM-1 features a line input, a balanced mic input with

switchable priority and remote control of the host mixer’s music source and level. Configurable line 6 priority on any or all zones is also useful to interface priority music signals derived from such

sources as a jukebox or spot announce machine.

Although the Z8

II operates in mono, all the music inputs are via stereo RCA phono connectors with internal mono mixing. All the zone

outputs are balanced, with a nominal 0dBu level, and use detachable 3 pole screw terminals (Phoenix type). Offering similar

features, a four zone variant, the Z4

II is also available. Both units are 19" rack mountable, requiring only 3U of rackspace.

Effective and simple control of sound for leisure venues, hotels, sports centres, retail complexes and larger licensed

premises has never been easier. Thanks to Cloud’s legendary reliability and superb audio quality,it has never been better.

Applications

Key applications for this versatile venue mixer include:

Leisure venues, retail shops and licensed premises where

the whole system requirements can be controlled by a

single ‘Venue Mixer’.

Large hotel sound system with special requirements for

fitness suites, swimming pool, conference rooms and bars

in addition to general requirements.

Sports centre where the sound system is required to

provide selective paging and a choice of music in several

zones, with the option to have a remotely located active

module with direct input facilities.

Line Inputs

The Z4II and Z8II have

six line level inputs;for

installer convenience,

stereo inputs are provided and the

left and right signals are summed internally to

form a mono signal. The line inputs are suitable for a wide

variety of music signal sources such as CD players,

receivers, tape players etc. Connection is by way of RCA

phono sockets on the rear panel and the gain of each input

can be optimised by the rear panel pre-set controls.

Microphone Inputs

Two mic inputs are provided on both the Z4II and Z8II;

these have electronically balanced, low noise circuitry and

connection is by way of 3 pin XLR type connectors.

Each input is suitable for microphones with a rated

impedance in the range of 200 to 600 ohms. Pre-set gain

controls are provided and each zone has two front panel

mounted mic level controls; this allows the two microphone

channels to be routed to any zone at the optimum level or

not at all. The microphone signals are not controlled by the

remote control facilities. All microphones have priority over

the music signals; when a mic signal is detected, the music

signal will be reduced by 30dB, smoothly restoring to it’s

previous level when the announcement ceases. Phantom

power can be provided by setting internal jumpers.

Paging Microphone Inputs

A dedicated paging microphone input is provided; this

electronically balanced input has low noise circuitry and is

suitable for 200 to 600 ohm microphones;connection is via

a 3 pin XLR type connector. A pre-set input gain control is

provided on the rear panel and each zone also has a pre-set

paging mic level control mounted on the front panel.

The paging mic signal can be switched to operate in any

zone by grounding the respective zone access contact on

the rear panel; this convention not only suits the Cloud

CDPM range but is also compatible with industry standard

paging mics. The paging mic has full VOX (voice triggered)

priority over both Mic 1 and Mic 2 and when operating, also

reduces the music signal by 30dB.

CDPM(4i, 8i ,12i & 16i) Paging Microphones

The CDPM range of zone paging microphones are available

for use with the Z4

II and Z8II. A key feature of the CDPM

range is that they have been designed to allow up to 32

microphones to be connected to one mixer (microphones

connecting directly to the mixer require the optional analogue

interface card, microphones connect to each other using

CAT5 cable). When the microphones are used in multiples,

intelligent circuitry in the CDPM detects when another

microphone is in use and illuminates the 'Busy' LED to indicate

this, the CDPM's operation is blocked until it detects 'Busy'

has cleared.Individual microphones can be configured to

"broadcast when busy" if this is desirable. The host mixer

provides power for one microphone, external power supplies

will be required for each additional unit.

The CDPM range feature logic controlled zone selection that

routes the announcement to any combination of the 4, 8, 12

or 16 zones. The operation of the logic circuitry can be

configured so that the zone selection is retained or

automatically reset after use, and each zone can be set to have

access disabled to prevent unwanted announcements in

particular zones from individual microphones. A "call all"

facility is provided for instant announcements to all enabled

zones. The CDPM range also feature a pre-announcement

chime which can be disabled if required.The CDPM range

should be connected to the paging mic input of the Z4

II or

II, this input has priority over all other signals.

Microphone Equalisation

Pre-set treble and bass controls are provided for each of

the three microphone inputs and these are located on the

rear panel. The equalisation is optimised for speech

together with a high pass filter operating at 100Hz; this

reduces handling noises and breath blasts to a minimum and

therefore improves intelligibility.

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Cloud Z4II User Manual Page 2

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