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CXL Manual v1.0

4

Introduction

Thank you for buying this Cloud product.
The CXL range of high-performance 100/70 V toroidal transformer assemblies are intended for use with various models of 
Cloud power amplifiers and mixer-amplifiers, with applications in background music, public address and PA/VA. They interface 
the amplifiers’ low-impedance outputs to 100 V-line or 70 V-line loudspeaker systems.
There are four models of transformer in the range, each suitable for use with amplifier channels having a particular maximum 
power rating:

Transformer   Type

For use with amplifiers with a  

power rating (into 4 ohms) of:

Dia.

Height

CXL-40T

50 W per channel

65 mm

30 mm

CXL-100T

120 W per channel

80 mm

36 mm

CXL-200T

240 W per channel

100 mm

65 mm

CXL-400T

400 W per channel

120 mm

66 mm

The CXL-800 and CXL-1600 19” rackmount housings are each designed to accept up to eight transformers 
(see”Transformer/Rackmount Housing compatibility” on page 5 for compatibility details). It is recommended that these 
housings are used in conjunction with the transformers, as the complete assembly provides good safety protection.

Scope of this manual

The primary purpose of this manual is to describe:

• 

how to mechanically install CXL Series transformers 
into the rackmount housings;

• 

how to fit the transformer connectors to the rear 
panels of the housings;

• 

how to correctly connect the assembly to the amplifier 
and the loudspeaker system.

It also gives information about configuring the amplifiers for 
use with 100/70 V-line systems.
The CXL range of transformers may also be used without 
the rackmount housings; instructions on how to achieve this 
safely are included.

Box contents

Transformers:

• 

CXL Series transformer (CXL-40T, CXL-100T,  
CXL-200T or CXL-400T)

• 

Mating connectors: 1 x 2-way and 1 x 3-way 5 mm-pitch 
screw terminal type

• 

M6 bolt, locknut and washer

• 

Abridged Instruction Guide

Rackmount Housings:

• 

CXL-800 or CXL-1600 rackmount housing

• 

PVC rear connector cover

• 

Fibreglass internal safety cover (CXL-800 only)

• 

Set of rubber feet

• 

6 x 25 mm M3 hex pillars, with nuts and washers (flat 
and shakeproof)

• 

16 (CXL-800) or 20 (CXL1600) x M3 x 6 mm pozi 
screws

• 

Transformer fitting template (CXL-1600 only)

• 

This manual

Summary of Contents for CXL-100T

Page 1: ...CXL Manual v1 0 1 CXL 40T CXL 100T CXL 200T CXL 400T 100 70VTransformers CXL 800 CXL 1600 Rackmount Housings Installation Guide...

Page 2: ...signed CXL Series rackmount housings or by mounting and wiring the transformers in such a way that neither the transformers nor their connections can be touched accidently In all cases transformers an...

Page 3: ...4 Transformer Amplifier compatibility 5 Transformer Rackmount Housing compatibility 5 Installing transformers in the CXL 800 rackmount housing 6 Installing transformers in the CXL 1600 rackmount hous...

Page 4: ...hese housings are used in conjunction with the transformers as the complete assembly provides good safety protection Scope of this manual The primary purpose of this manual is to describe how to mecha...

Page 5: ...ty CXL 800 The CXL 800 is of open construction and is designed to accommodate up to eight CXL 40T or CXL 100T transformers including any mixture of the two types It is not suitable for CXL 200T or CXL...

Page 6: ...panel connector positions Each transformer has five colour coded wires which terminate on a small PCB A 2 way and a 3 way 5 mm pitch female connector and two M3 fixing brackets are fitted to the PCB L...

Page 7: ...g rotate the toroids to ensure that the cable assemblies for all the transformers emerge from the windings at a neat orientation for wiring to the rear panel If the CXL 1600 is being fitted with less...

Page 8: ...mplifier Outputs The transformer outputs may be connected to the loudspeaker system Use the mating 3 pin 5 mm pitch screw terminal connectors supplied with the transformers and two core stranded cable...

Page 9: ...fier s low impedance output and to the loudspeaker system can be made using insulated terminal blocks see Safety Notes below Take care to observe the wire colour coding 100V SYSTEMS Connection Colour...

Page 10: ...CXL Manual v1 0 10...

Page 11: ...CXL Manual v1 0 11...

Page 12: ...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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