Cloud 46 INTEGRATED Bedienungs- und Sicherheitshinweise

Version 6

46/50

Setup and

Installation Guide

46/50 INTEGRATED MIXER-AM LIFIER

Cloud Electronics Limited

‘Clearly Better Sound’

CLOUD ELECTRONICS LIMITED

46/50 Setup and Installation Guide

©Cloud Electronics Limited

140 Staniforth Road • Sheffield S9 3HF • England

hone +44 (0)114 244 7051 • Fax +44 (0)114 242 5462

E-mail [email protected].uk • WebSite www.cloud.co.uk

CLOUD L CTRONICS LIMIT D

Table of Contents

Section Page

46/50 Integrated Mixer Amplifier Setup And Installation Guide

1 Safety Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

2 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

3 Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

4 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

5 Music Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

5.1 Sensitivity & Gain Control . . . . . . . . . . . . . . . . . . . . . . . . . .2

5.2 Music Control - Local or Remote . . . . . . . . . . . . . . . . . . . . .3

5.3 Music Equalisation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

5.4 Line 6 riority over Zone 1 . . . . . . . . . . . . . . . . . . . . . . . . . .4

6 Microphone Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

6.1 aging Microphone & Access Contacts . . . . . . . . . . . . . . . .6

6.2 Connecting Multiple M4s to a 46/50 . . . . . . . . . . . . . . . . .7

6.3 Microphone Gain Control . . . . . . . . . . . . . . . . . . . . . . . . . . .7

6.4 Microphone Equalisation . . . . . . . . . . . . . . . . . . . . . . . . . . .7

6.5 High ass Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

6.6 Microphone Level Controls . . . . . . . . . . . . . . . . . . . . . . . . . .8

6.7 Microphone riority . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

7 Output Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

7.1 Speaker Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

7.2 Auxiliary Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

8 Slave Facility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

9 Zone 1 Facility Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

10 ower Supply Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

CLOUD L CTRONICS LIMIT D

Table of Contents

Section Page

46/50 Integrated Mixer Amplifier Setup And Installation Guide

11 Active Remote Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

11.1 AE-1 Aerobics Module . . . . . . . . . . . . . . . . . . . . . . . . . . .11

11.2 DM-1 Dual Microphone Input Module . . . . . . . . . . . . . .12

11.3 Wiring 2 or more DM-1's in a daisy chain format . . . . . .12

11.4 LM-1 Mic/line plus remote control of music signals. . . .13

12 Microphone riority over Facility Input . . . . . . . . . . . . . . . .13

13 Active Speaker Equalisation Modules . . . . . . . . . . . . . . . . . . .14

14 100V or 70V Line Operation . . . . . . . . . . . . . . . . . . . . . . . . . .15

15 Remote Music Mute - Fire Alarm interface . . . . . . . . . . . . . .15

16 DC Control of Music Functions . . . . . . . . . . . . . . . . . . . . . . .16

17 Solving problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

17.1 Ground loops (aka Earth loops) . . . . . . . . . . . . . . . . . . . .17

17.2 Connecting balanced signals to unbalanced line inputs. .17

18 Technical Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

19 General Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

46/50 Integrated Mixer Amplifier Setup And Installation Guide

CLOUD L CTRONICS LIMIT D

1 Safety Notes

For more detailed information refer to the rear of the manual.

• Do not expose the unit to water or moisture.

• Do not expose the unit to naked flames.

• Do not block or restrict any air vent.

• Do not operate the unit in ambient temperatures above 35°C.

• Do not touch any part or terminal carrying the hazardous live symbol ( ) while power is

supplied to the unit.

• Do not perform any internal adjustments unless you are qualified to do so and fully

understand the hazards associated with mains operated equipment.

• The unit has no user serviceable parts. Refer any servicing to qualified service personnel.

• If the moulded plug is cut off the lead for any reason, the discarded plug is a potential

hazard and should be disposed of in a responsible manner.

2 General Description

The Cloud 46/50 is a versatile, Four Zone 50W x 4 Integrated Mixer Amplifier. It has applications where

up to two microphones and six line level music signals are required to feed four separate areas in any

combination. There are various optional accessories that extend the flexibility of the 46/50:

• A paging mic with pre-announcement chime.

• Optional remote plates that allow remote control of music level and source selection.

• An internally mounted 4 channel 100V/70V line transformer module.

• Active input modules for Zone 1 only, such as the DM-1 or LM-1.

• Internal active equalisation modules for speakers

Along with these accessories the 46/50 has: - microphone priorities, fire alarm mute, auxiliary outputs for

Zones 1 & 2 only and the possibility for Line 6 to have priority over the music signals of Zone 1 only.

The front panel controls are reduced to a minimum to avoid confusion; if preferred, the 46/50 can be

positioned in a protected area with the remote music source and level controls positioned in the most

appropriate location. All pre-set controls are on the rear panel or on the front panel protected by a cover.

1V6 070113

46/50 Integrated Mixer Amplifier Setup And Installation Guide

CLOUD L CTRONICS LIMIT D

3 Schematic Diagram

4 Installation

The Cloud 46/50 occupies two units of a standard 19" equipment rack. Sufficient ventilation should be

provided particularly where it is required to deliver a high output power for long periods of time; the unit

draws cool air through the front panel and exhausts through the rear panel. The 46/50 is 320mm deep

but a depth of 400mm should be allowed to clear connectors.

5 Music Inputs

The 46/50 operates in mono but has six stereo line inputs, which are internally mixed to form a mono

signal. The line inputs are suitable for most music sources such as compact disc players, tape players

and receivers etc. All inputs are unbalanced and use RCA type phono sockets. Input impedance is 47kW.

5.1 Sensitivity & Gain Control

All six line inputs have a pre-set gain control on the rear panel adjacent to the respective input

sockets. The input sensitivity can be varied from -12dBu (195mV) to +8dBu (2.0V). The pre-set

gain controls should be set so that all the input signals operate at the same level within the 46/50

and the music level controls have an optimum range of control.

V6 070113

MUSIC

VCA

SPEAKER

MODULE

LINE 6

LINE 5

LINE 4

LINE 3

LINE 2

LINE 1

LINE 6

PRIORITY

RELEASE

TIME

MUSIC

VCA

SPEAKER

MODULE

65Hz

RSL-6 (OPTIONAL)

MIC 1

MIC 2

OFF

J23

PAGING MIC INTERFACE

GATE

PRIORITY

RSL-6 (OPTIONAL)

MIC 1

MIC 2

OFF

PAGING MIC INTERFACE

GATE

PRIORITY

ZONE 1

ZONE 2

ZONE 3

ZONE 4

FACILITY PORT

GAIN

MIC 1 INPUT

GAIN

MIC 2 INPUT

PHANTOM

POWER

PHANTOM

POWER

DYNAMIC CLIP

PROTECTION

DYNAMIC CLIP

PROTECTION

DYNAMIC CLIP

PROTECTION

DYNAMIC CLIP

PROTECTION

PROTECT

50W

POWER

AMP

50W

POWER

AMP

50W

POWER

AMP

50W

POWER

AMP

ZONE 2=J9

ZONE 3=J16

ZONE 4=J18

ZONE 2=J10

ZONE 3=J17

ZONE 4=J19

ZONE 2 = J22

ZONE 3 = J21

ZONE 4 = J20

SLAVE ZONE 3

AMP TO ZONE 4

ZONE 1

OUTPUT

Z1 AUX OUT

Z2 AUX OUT

ZONE 2

OUTPUT

ZONE 3

OUTPUT

ZONE 4

OUTPUT

OFF

ONJ13

J15

J25 J24

ON OFF

OFF

OFF 3s

SLAVE

ZONE 2

AMP TO

ZONE 1

46/50 Integrated Mixer Amplifier Setup And Installation Guide

CLOUD L CTRONICS LIMIT D

5.2 Music Control - Local or emote

The music source and music

level control functions can be

controlled from either the front

panel, or a remote control plate

located up to 100m from the

46/50. There are two remote

control plates available for the

46/50 the RSL-6 and the RL-1.

The RSL-6 should be used

when remote control of music

source and music level is

required whereas the RL-1 can

be used when the application

calls for remote control of the

level only (source selection via

front panel). RSL-6 and RL-1

remote control plates can be

mounted onto a standard British

flush or surface mounted 25mm

deep back box. Two-core cable

with overall screen should be

used to connect the remote

controls to the Cloud 46/50 the

diagrams above show how to

connect the two remote plates.

When using an RL-1 remote level control with the 46/50, the relevant jumpers (see list below)

should be in the 'FR' position to allow front panel control of the music source. Self-adhesive

labels (supplied) can be affixed to the front panel and/or RSL-6 to identify the available input

sources.

The RSL-6A and RL-1A are available for the American market. They operate identically to the

RSL-6 and RL-1 but have been designed to fit a single gang US electrical outlet box. Front panel

dimensions are 41/2"x 23/4"

3V6 070113

123

RSL-6

123

3 POLE

CONNECTOR

MUSIC CONTROL

REMOTE (IN)

MUSIC CONTROL SWITCH SHOULD

BE SET TO THE ‘REMOTE’ POSITION

STANDARD WIRING CONVENTION

USE TWO-CORE SCREENED CABLE

REMOTE CONTROL OF MUSIC SOURCE AND LEVEL

123

3 POLE

CONNECTOR

MUSIC CONTROL

REMOTE (IN)

MUSIC CONTROL SWITCH SHOULD

BE SET TO THE ‘REMOTE’ POSITION

FOR APPLICATIONS REQUIRING REMOTE CONTROL OF

MUSIC LEVEL WITH FRONT PANEL SOURCE SELECTION

REMOTE CONTROL OF MUSIC LEVEL (WITH FRONT PANEL SOURCE SELECTION)

123

RL-1

SOURCE

SELECT

JUMPER

FR SW

THE RELEVANT JUMPERS SHOULD

BE SET TO THE ‘FR’ POSITION

ATTENTION!

REMOVE POWER CABLE BEFORE MAKING ANY INTERNAL ADJUSTMENTS

OPTIONAL WIRE

Location of J3, J4, J5 and J6

J3: Zone 1

J4: Zone 2

J5: Zone 3

J6: Zone 4

46/50 Integrated Mixer Amplifier Setup And Installation Guide

CLOUD L CTRONICS LIMIT D

5.3 Music Equalisation

ach zone has separate treble and bass controls for the music signals only, allowing an installer

to tailor the response of the music signals to suit the acoustics and speakers of each individual

zone. The equalisation controls are concealed behind a removable plate secured to the front

panel with Allen screws; to gain access to the equalisation controls use the supplied Allen key.

Once the plate has been removed the equalisation controls can be seen below the music

controls for each zone; they are clearly marked 'HF' (High Frequency) and 'LF' (Low Frequency).

A flat frequency response can be achieved by positioning the slots on the control shafts in the

horizontal plane; the HF control has a range of ±10dB at 10kHz and the LF control has a range

of ±10dB at 50Hz.

5.4 Line 6 Priority over Zone 1

The Cloud 46/50 has a facility that allows Line 6 a fully automatic priority over the music signal

of Zone 1 only. This is intended for use with input sources such as jukeboxes or spot

announcement players. Should you wish to activate line 6 priority set internal jumper J24 to the

'ON' position. When line 6 priority is activated, Zone 1 functions normally until a signal is detected

at line 6, at which point the selected music source in Zone 1 will mute, allowing the line 6 signal

to be heard. Once the signal on line 6 ceases, the selected music source in Zone 1 will smoothly

restore to its former level. The time taken for this restoration can be 3, 6 or 12 seconds

dependant on how internal jumper J25 has been set; the factory default restoration time is 3

seconds.

When setting the jumper please ensure that you:

• Remove the mains cable from the rear of the product before removing the top

panel.

• Only reassemble the unit using screws identical to the original parts.

V6 070113

Location of Jumper J24 and J25

J24: L6 Priority on/off

J25: Release Tme

12s

46/50 Integrated Mixer Amplifier Setup And Installation Guide

CLOUD L CTRONICS LIMIT D

6 Microphone Inputs

Two microphone inputs are provided each having electronically balanced, transformer-less circuitry

configured for optimum low noise performance. The input impedance is greater than 2kWand suitable for

microphones in the 200Wto 600Wrange. Inputs are via 3-pin plug in screw terminal type connectors

(Phoenix type) located on the rear panel. A facility to provide 15V phantom power is included for each

microphone that is activated by setting the relevant internal jumpers from the list below to the ‘ON'

position:

J1: Mic 1 Phantom Power

J2: Mic 2 Phantom Power

For balanced mics connect the screen to pin 1, the in-phase signal (+) to pin 3 and reverse phase signal

(-) to pin 2. For unbalanced mics, connect pin 1 (ground) to pin 2 then use pin 1 for the cable screen and

pin 3 as hot. Do not use the phantom power facility with unbalanced terminations.

When setting the jumper(s) please ensure that you:

• Remove the mains cable from the rear of the product before removing the top panel.

• Only reassemble the unit using screws identical to the original parts.

• Use a microphone that requires phantom power.

5V6 070113

Location of Jumper J1 and J2

123

3 POLE

CONNECTOR

GROUND (SCREEN)

REV-PHASE(-)

IN-PHASE (+)

123

3 POLE

CONNECTOR

GROUND (SCREEN)

IN-PHASE (+)

MIC INPUT TERMINATION

BALANCED UNBALANCED

Diagrams Show Balanced and Unbalanced Microphone Wiring

6.1 Paging Microphone & Access Contacts

The Cloud PM4 four zone paging microphone is an accessory for the Cloud 46/50; it features

zone selection switches which allow paging to all four zones in any combination and a 'call all'

button that is used for convenient announcements to all zones. In addition to this the PM4 has

a built in chime.

The PM4 connects to the 46/50 via its analogue

interface. It must be wired using 2-core

screened cable directly to the MIC 1 input and

6-core cable with overall screen to the paging

microphone connector (as shown adjacent).

See “PM4/8/12/16 Installation and User

Guide”, page 18, “Connecting the PM to a

mixer via the analogue interface” for more

details.

IMPORTA T

When connecting a PM4 to the 46/50, jumpers

J20,21,22 and 23 must be removed for the

paging microphone to operate correctly. A

diagram that shows the jumper locations on the

46/50 PCB can be found below.

OTE: We advise that when you remove a

jumper you leave it connected to one pin of the

header so it remains with the apparatus for

future use.

When setting the jumper(s) please ensure that

you:

• Remove the mains cable from

the rear of the product before

removing the top panel.

• Only reassemble the unit using

screws identical to the original

parts.

46/50 Integrated Mixer Amplifier Setup And Installation Guide

CLOUD L CTRONICS LIMIT D

V6 070113

Wiring a PM4 to a 46/50

Location of Jumpers J20, J21, J22 and J23

J20: Bypass Zone 4

J21: Bypass Zone 3

J22: Bypass Zone 2

J23: Bypass Zone 1

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