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Z4

II 

& Z8

II

 Installation and User Manual v1.0

3

Contents

Safety Information .................................. 4

Safety Notes Regarding Installation ................... 4

Conformities ......................................................... 4

Safety Considerations and Information ............. 4

Overview .................................................. 5

Introduction .......................................................... 5

Scope of this manual ..........................................................5

What’s in the box ................................................. 5

Main Features ....................................................... 5

Optional System Components ........................... 6

DM-1 Dual Microphone Input Module ..........................6
LM-1 Mic/line input module with remote music 

control ..................................................................................6

RL-1 Remote Music Level Control .................................6
RSL-6 Remote Music Level/Source Control .................6

PM Series Paging Microphones ........................................7
PM1 Paging Microphone ....................................................7

Block Diagram ...................................................... 7

Front Panel Description ...................................... 8

Rear Panel Description ........................................ 9

Installation ............................................. 10

Hardware Considerations ................................. 10

Power Supply ...................................................... 10

Fuses and ratings .............................................................. 10

System Connections .......................................... 10

Music Sources ................................................................... 10

Mono and stereo sources .......................................... 10

Balanced sources .......................................................... 10

Zone outputs .................................................................... 11

Unbalanced inputs ........................................................ 11

Microphone inputs .......................................................... 12

Facility Ports ..................................................................... 12

Connecting a DM-1 remote input plate ................. 12
Connecting an LM-1 remote input plate ................ 12

Paging System connections ............................................ 13

Connecting a PM4/8/12/16 paging mic .................... 13

Connecting a PM1 paging mic ................................... 14

Music Control .................................................................. 14

Connecting an RL-1 remote control plate ............. 14
Connecting an RSL-6 remote control plate ........... 15

Music Mute ........................................................................ 15

Setting Up & Operation ....................... 16

Music Inputs ........................................................ 16

Gain & level ....................................................................... 16
Local/remote control ...................................................... 16

Microphone Inputs ............................................. 16

Phantom Power ............................................................... 16
Gain & level ....................................................................... 16

EQ ....................................................................................... 16

High-pass filter

 ................................................................. 16

Paging mic input ................................................. 16

Phantom Power ............................................................... 16
Gain & level ....................................................................... 17

EQ & high-pass filter

 ....................................................... 17

Zone Outputs ..................................................... 17

EQ ....................................................................................... 17

Priorities.............................................................. 17

Mic 1/Mic 2 priority ........................................................ 17
Paging mic priority ........................................................... 17
Line 6 priority ................................................................... 17
Microphone priority over input at Facility Port ....... 17

Options and Additional Information ... 18

LM-1 and DM-1 active input plates – general 

considerations ..................................................... 18

Connecting multiple DM-1s .......................................... 18

Using the Facility Ports as auxiliary zone inputs ...... 19

RL-1 and RSL-6 remote control plates – general 

considerations ..................................................... 19

Control of music source and level via external DC 19

Music level ..................................................................... 19

Music source ................................................................. 20

Fitting Bose® Series II EQ cards ...................... 20

Appendix ................................................ 22

Application example .......................................... 22

PCB jumper location and settings .................... 23

PSU capability and optional device current 

consumption ....................................................... 25

Ground loops ...................................................... 25

EMC considerations ........................................... 25

Technical Specifications ........................ 26

General Specifications ....................................... 26

Notes ...................................................... 27

Summary of Contents for Z4II

Page 1: ...Z4II Z8II ZONE MIXERS Installation and User Guide...

Page 2: ......

Page 3: ...12 16 paging mic 13 Connecting a PM1 paging mic 14 Music Control 14 Connecting an RL 1 remote control plate 14 Connecting an RSL 6 remote control plate 15 Music Mute 15 Setting Up Operation 16 Music I...

Page 4: ...ead power lines etc the performance of the unit may be degraded The product conforms to the following European electrical safety standard BS EN 60065 2002 The Z4II and Z8II were developed and manufact...

Page 5: ...echnical specifications The Z4II Z8II manual includes full details of the optional LM 1 and DM 1 remote input panels Basic information on interfacing Cloud PM Series paging microphones and connecting...

Page 6: ...ed separately if required They may also be retrofitted to a system at a later time DM 1 Dual Microphone Input Module fig 1 DM 1 The DM 1 is an active input plate which allows one or two microphones to...

Page 7: ...16 paging mic for more information fig 7 Z8II Block Diagram Block Diagram The simplified block diagram below illustrates the basic signal architecture of the Z8II Only the routing and logic for one z...

Page 8: ...CE 6 way rotary switch selecting which Line Input 1 to 6 will be the music source for each zone See page 16 Local remote control 2 MUSIC LEVEL adjusts the music level in each zone See page 16 Music Ga...

Page 9: ...y muting relay e g fire control panel See page 15 Music Mute 16 MAINS Fused IEC receptacle for AC mains includes storage for spare fuse See page 10 Power Supply Only 4 zone outputs on Model Z4II Items...

Page 10: ...slide below the connector open using a small screwdriver The holder has an extra cavity for storing a spare fuse note that the active fuse is that in the inner cavity System Connections Music Sources...

Page 11: ...ces down to 600 Nominal output level is 0 dBu 775 mV The output is designed to drive professional industrial power amplifiers with balanced inputs typically on XLRs In this case wire as the diagram in...

Page 12: ...s are urged to check the data in the Appendix regarding PSU capacity on page 25 PSU capability and optional device current consumption The pinout of the Facility Port connector is given in the table b...

Page 13: ...o cable may be used for the audio signal and stranded multicore cable with an overall screen for the control cable The number of cores required in the latter will be determined by the model of PM micr...

Page 14: ...CCESS CONNECTOR CONNECT TO ZONE S IN USE Z8II PM1 fig 19 PM1 Z8II wiring connections Music Control Like many other Cloud products the Z8II and Z4II allow remote control of music level and source selec...

Page 15: ...n emergency to ensure that any emergency messages are clearly audible The Music Mute input is on a 2 pin 5 mm pitch screw terminal connector It should be connected to the appropriate alarm output on w...

Page 16: ...es in volume when switching between sources the Z8II Z4II s music inputs are provided with preset gain trim controls 2 on page 9 Rear Panel Description These vary the input sensitivity from 12 dBu 195...

Page 17: ...over a period of 3 6 or 12 seconds The Mic 1 Mic 2 priority over music can be disabled on a per zone basis by setting J6 on the relevant zone sub board to the OFF position The release time may also be...

Page 18: ...PORTANT Please refer to page 25 PSU capability and optional device current consumption for information regarding current draw and power supply capability Connecting multiple DM 1s It may be desirable...

Page 19: ...rnal DC It may be necessary in some installations to adjust the music level and select music source in one or more zones from an external control system e g Crestron AMX etc If the Music Control ports...

Page 20: ...3 is left floating this pull up will cause OFF to be selected The output impedance of the control voltage source should be low enough to overcome the effect of this resistor Fitting Bose Series II EQ...

Page 21: ...Z4II Z8II Installation and User Manual v1 0 21...

Page 22: ...ble to three or more zones areas Only three are shown for clarity Points to note Area 1 and Area 3 have remote control plates installed an RSL 6 music level and source in Area 1 and an RL 1 music leve...

Page 23: ...e 6 hasVOX triggered priority over other sources OFF J3 Music ducking release time 3S 3 seconds release time 6S 6 seconds release time ABSENT 12 seconds release time 3S J4 Mic priority over facility i...

Page 24: ...ssis ZONE SUB CARDS ZONE 8 ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6 ZONE 7 Z8 II ONLY KEY Jumper with two possible positions black square indicates factory default setting J1 J2 J3 J4 fig 27 Jumper l...

Page 25: ...g signal source can often be identified by setting the volume control to minimum then disconnecting the input leads both left right channels on each line input until the hum disappears This problem is...

Page 26: ...Headroom 20 dB Noise 120 dB EIN 22 Hz 22 kHz 150 Equalisation HF 10 dB 5 kHz LF 10 dB 100 Hz Facility Input Input Impedance 10 k balanced pin 3 pin 4 Sensitivity 0 dBu 775mV Noise Gate Ground pin 5 t...

Page 27: ...and User Manual v1 0 27 27 Notes Bose is a registered trademark of The Bose Corporation In the interest of continuing improvements Cloud Electronics Limited reserves the right to alter specifications...

Page 28: ...Cloud Electronics Limited 140 Staniforth Road Sheffield S9 3HF England Tel 44 0 114 244 7051 Fax 44 0 114 242 5462 email info cloud co uk web www cloud co uk...

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