Manual LA Audio Electronic SPX20

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  • LA Audio Electronic SPX20 - page 1

    STEREO SOURCE SELECTOR/PREA MPLI FIER OPERATION MANUAL Version - 1 April 2000 ...

  • LA Audio Electronic SPX20 - page 2

    Page 2 CONTENTS Page 1. Intr oduction 3 2. Instal lation 4 2.1 Inspection and un-pack ing 4 2.2 Operat ing environment 4 2.3 CE standards 4 2.4 Power requirement s 4 2.5 Signal levels 5 2.6 External connections 6-7 3. Warranty 8 4. Description of controls 9-10 4.1 Inputs section 9 4.2 Outputs section 10 4.3 Headphones section 10 5. A pplications 1 ...

  • LA Audio Electronic SPX20 - page 3

    Page 3 1.0 INTRODUCTION The SPX20 is a six input st ereo source selector designed to ex tend the number of inputs and range of monitor ing f acilities available on a typical mixing console. However the SPX20 is suitable f or a wide range of monitoring applications including t ape dubbing, audio- visual and digital workstations and f or installat io ...

  • LA Audio Electronic SPX20 - page 4

    Page 4 2.0 INSTA LLA T ION IMPO RTA NT : PLEA SE REA D THIS SECT ION BEFO RE USING THE SPX20 2.1 INSPECTIO N A ND UNPA CKING The SPX20 has been car efully packed at our factor y in a carton designed to withstand handling in tr ansit. Should the unit appear to hav e been damaged in t ransit notif y your dealer immediately and do not discard any of t ...

  • LA Audio Electronic SPX20 - page 5

    Page 5 • Please check that your unit is correctly rated for the voltage in the country of operation. If the fuse r equires chang ing at any time please ensure t he correct f use is fitt ed. An incorrect fuse could cause damage t o the unit and may constitute a fire hazard. If you carry your SPX20 from one country to another it is very important t ...

  • LA Audio Electronic SPX20 - page 6

    Page 6 Pin 1 = Screen Pin 2 = Hot (+) Pin 3 = Cold (-) PUSH Fig 2.6.3: Pin ar rangem ent for XLR inputs on t he SPX20 Pin 1 Screen Signal ground Pin 2 Hot Signal + Pin 3 Cold Signal - For unbalanced operation j oin pins 1 and 3 and connect to Screen (signal ground) and use pin 2 as Hot (signal +) . Input 1 also has a pair of fr ont panel inserts on ...

  • LA Audio Electronic SPX20 - page 7

    Page 7 Plugging into the inserts jacks on t he front panel breaks the signal from the rear panel XLRs INPU T 2 & 3 These are balanced inputs on T RS jack s - see Fig 2.6. 3 For ubalanced operation wire as described above for Input 1 inserts or use a mono jack plug. INPUT 4,5 & 6 These ar e all unbalanced inputs which have RCA/phono connecto ...

  • LA Audio Electronic SPX20 - page 8

    Page 8 3.0 WA RRA NTY Your LA Audio SPX20 has been manuf actured t o a high standard using quality com ponents. If correct ly installed and operat ed the unit should g ive years of problem free oper ation. However in the event of a def ect in mat erial or workmanship causing f ailu r e of t he unit w i t hin one year of t he da t e of o r i g inal ...

  • LA Audio Electronic SPX20 - page 9

    Page 9 4.0 DESCRIPTIO N OF CONTROLS 4.1 INPUTS SECTION INPUT 1 Left & Right sockets Thes e are insert points f or Input 1. Plugging into these connec tors break s the signal from Input 1's rear panel XLRs . They are intended to allow a quick and easy way of tem porarily connecting an external piece of equipm ent to the SPX20. TRI M control ...

  • LA Audio Electronic SPX20 - page 10

    Page 10 4.2 OUTPUT SECT ION BA LANCE control This control allows adjus tment of the stereo c entre position. T he centre detent position gives equal lef t and right levels. Tur ning BALANCE fully CCW canc els all right output signals and vic e versa. BALANCE aff ects OUT PUT 1 & 2 and Headphones . DIM switch Pressing this switch in reduces outp ...

  • LA Audio Electronic SPX20 - page 11

    Page 11 5.0 A PPL ICA TIONS The m ajority of mixing consoles, even quite expensive models of fer only 2 or possibly 3 monitoring inputs. So if you want to simultaneously connect a CD player, DAT machine, stereo cassett e deck, 2 t rack analog ue tape machine etc. you will have to use up input channels. These are often already used f or tape returns ...

  • LA Audio Electronic SPX20 - page 12

    Page 12 Fig 5.1. 1 Connecting the SPX 20 as the main monit oring cont roller 5.2 A S A MONITOR EXTENDER If you prefer t o keep contr ol of the cont rol room m onitors within the mix ing console the SPX20 can be connected as shown in Fig 5.1.2. The SPX20 is now selected by pressing the 2T (2 t rack) return on the m onitor section of the mixing conso ...

  • LA Audio Electronic SPX20 - page 13

    Page 13 6.0 CIRCUI T DESCRIPTION TRIM Left Right Select #1 LR MIX • • • Mix amp Tape Send L • Mix amp Tape Send R • • BALANCE • • MONO DIM LR • • • Left On-Off #1 • LEVEL 1 Right Left On-Off #2 LEVEL 2 Right HEADPHONES VOLUME • • TRIM Right Select #2 • • Left TRIM Right Select #4 • • Left • • • • INPUT 1 ...

  • LA Audio Electronic SPX20 - page 14

    Page 14 7.0 SPECIFI CA TIONS INPUTS 1 electronically balanced, 20k Ω , XLR-F , pin 2 = hot 2 & 3 electronically balanced, 20k Ω , 1/4" TRS, T ip = hot 4, 5 & 6 unbalanced, 20k Ω , RCA/Phono, Centre pin = hot OUTPUTS TAPE RECORD 100R, RCA/Phono, Centre pin = hot OUT PUT 1 & 2 Type Ground sens ing, balanced im pedance 1/4" ...

Manufacturer LA Audio Electronic Category Stereo Amplifier

Documents that we receive from a manufacturer of a LA Audio Electronic SPX20 can be divided into several groups. They are, among others:
- LA Audio Electronic technical drawings
- SPX20 manuals
- LA Audio Electronic product data sheets
- information booklets
- or energy labels LA Audio Electronic SPX20
All of them are important, but the most important information from the point of view of use of the device are in the user manual LA Audio Electronic SPX20.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals LA Audio Electronic SPX20, service manual, brief instructions and user manuals LA Audio Electronic SPX20. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product LA Audio Electronic SPX20.

A complete manual for the device LA Audio Electronic SPX20, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use LA Audio Electronic SPX20 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of LA Audio Electronic SPX20.

A complete LA Audio Electronic manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual LA Audio Electronic SPX20 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the LA Audio Electronic SPX20, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the LA Audio Electronic SPX20, that we can find in the current document
3. Tips how to use the basic functions of the device LA Audio Electronic SPX20 - which should help us in our first steps of using LA Audio Electronic SPX20
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with LA Audio Electronic SPX20
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of LA Audio Electronic SPX20 in a specific country, if it was not possible to solve the problem on our own.

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